{"id":8359,"date":"2025-09-16T17:53:13","date_gmt":"2025-09-16T10:53:13","guid":{"rendered":"https:\/\/eplusi.net\/?p=8359"},"modified":"2025-09-16T18:11:58","modified_gmt":"2025-09-16T11:11:58","slug":"cac-chi-tieu-moi-truong-quan-trong-trong-ao-nuoi-thuy-san","status":"publish","type":"post","link":"https:\/\/eplusi.net\/en\/news\/cac-chi-tieu-moi-truong-quan-trong-trong-ao-nuoi-thuy-san\/","title":{"rendered":"C\u00e1c ch\u1ec9 ti\u00eau m\u00f4i tr\u01b0\u1eddng quan tr\u1ecdng trong ao nu\u00f4i th\u1ee7y s\u1ea3n"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8359\" class=\"elementor elementor-8359\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7aa17fb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7aa17fb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3e60e67\" data-id=\"3e60e67\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e75297 elementor-widget elementor-widget-image\" data-id=\"3e75297\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"620\" height=\"827\" src=\"https:\/\/eplusi.net\/wp-content\/uploads\/2025\/09\/Hinh-3-768x1024.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/eplusi.net\/wp-content\/uploads\/2025\/09\/Hinh-3-768x1024.jpg 768w, https:\/\/eplusi.net\/wp-content\/uploads\/2025\/09\/Hinh-3-225x300.jpg 225w, https:\/\/eplusi.net\/wp-content\/uploads\/2025\/09\/Hinh-3-9x12.jpg 9w, https:\/\/eplusi.net\/wp-content\/uploads\/2025\/09\/Hinh-3.jpg 1125w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4414f7 elementor-widget elementor-widget-text-editor\" data-id=\"c4414f7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<h4><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>C\u00e1c ch\u1ec9 ti\u00eau m\u00f4i tr\u01b0\u1eddng quan tr\u1ecdng trong ao nu\u00f4i th\u1ee7y s\u1ea3n<\/strong><\/span><\/h4>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40fb640 elementor-widget elementor-widget-text-editor\" data-id=\"40fb640\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<h4 data-start=\"61\" data-end=\"655\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">1. Ch\u1ec9 s\u1ed1 Oxy h\u00f2a tan DO<\/span><\/strong><\/h4><p data-start=\"61\" data-end=\"655\"><span style=\"font-family: arial, helvetica, sans-serif;\">H\u00f4 h\u1ea5p c\u1ee7a th\u1ee7y sinh v\u1eadt ph\u1ee5 thu\u1ed9c ch\u1ee7 y\u1ebfu v\u00e0o l\u01b0\u1ee3ng <strong data-start=\"114\" data-end=\"134\">oxy ho\u00e0 tan (DO)<\/strong> trong n\u01b0\u1edbc. DO l\u00e0 nh\u00e2n t\u1ed1 quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh s\u1ee9c kh\u1ecfe, kh\u1ea3 n\u0103ng \u0103n v\u00e0 t\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a c\u00e1, t\u00f4m, t\u1ea3o\u2026 Nhi\u1ec1u nghi\u00ean c\u1ee9u cho th\u1ea5y duy tr\u00ec DO \u1edf m\u1ee9c kho\u1ea3ng 5\u20136\u00a0mg\/L l\u00e0 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng v\u00e0 sinh tr\u01b0\u1edfng t\u1ed1t<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fondriest.com\/environmental-measurements\/parameters\/water-quality\/dissolved-oxygen\/#:~:text=will%20avoid%20areas%20where%20DO,optimum%20growth%20and%20survival%20%C2%B9%C2%B2\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fondriest.com<\/span><\/span><\/span><\/a><\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.epa.gov\/national-aquatic-resource-surveys\/indicators-dissolved-oxygen#:~:text=for%20temperature%20and%20pH,and%20usually%20devoid%20of%20life\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">epa.gov<\/span><\/span><\/span><\/a><\/span><\/span>, trong khi DO d\u01b0\u1edbi 3\u00a0mg\/L th\u01b0\u1eddng g\u00e2y stress cho \u0111\u1ed9ng v\u1eadt th\u1ee7y s\u1ea3n<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.epa.gov\/national-aquatic-resource-surveys\/indicators-dissolved-oxygen#:~:text=for%20temperature%20and%20pH,and%20usually%20devoid%20of%20life\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">epa.gov<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.globalseafood.org\/advocate\/dissolved-oxygen-is-a-major-concern-in-aquaculture-heres-why\/#:~:text=Dissolved%20oxygen%20management%20is%20the,mg%2FL%20is%20stressful%20to%20shrimp\" target=\"_blank\" rel=\"noopener\" data-wplink-edit=\"true\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">globalseafood.org<\/span><\/span><\/span><\/a><\/span><\/span>. N\u1ebfu DO qu\u00e1 th\u1ea5p (v\u00ed d\u1ee5 m\u00f9a h\u00e8 tr\u1eddi n\u00f3ng ho\u1eb7c t\u1ea3o ch\u1ebft \u0111\u1ed9t ng\u1ed9t), bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c bao g\u1ed3m:<\/span><\/p><ul data-start=\"656\" data-end=\"898\"><li data-start=\"656\" data-end=\"726\"><p data-start=\"658\" data-end=\"726\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"658\" data-end=\"693\">T\u0103ng c\u01b0\u1eddng s\u1ee5c kh\u00ed v\u00e0 qu\u1ea1t n\u01b0\u1edbc<\/strong> nh\u1eb1m b\u1ed5 sung oxy ngay l\u1eadp t\u1ee9c.<\/span><\/p><\/li><li data-start=\"727\" data-end=\"828\"><p data-start=\"729\" data-end=\"828\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"729\" data-end=\"753\">Gi\u1ea3m m\u1eadt \u0111\u1ed9 th\u1ea3 nu\u00f4i<\/strong> ho\u1eb7c <strong data-start=\"759\" data-end=\"779\">t\u1ea1m ng\u01b0ng cho \u0103n<\/strong> \u0111\u1ec3 gi\u1ea3m nhu c\u1ea7u oxy v\u00e0 l\u01b0\u1ee3ng ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1.<\/span><\/p><\/li><li data-start=\"829\" data-end=\"898\"><p data-start=\"831\" data-end=\"898\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"831\" data-end=\"866\">Thay n\u01b0\u1edbc ho\u1eb7c b\u1ed5 sung n\u01b0\u1edbc m\u1edbi<\/strong> (n\u1ebfu c\u00f3 th\u1ec3) \u0111\u1ec3 c\u1ea3i thi\u1ec7n DO.<\/span><\/p><\/li><\/ul><p data-start=\"900\" data-end=\"1206\"><span style=\"font-family: arial, helvetica, sans-serif;\">C\u00e1c ao nu\u00f4i th\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb m\u00e1y s\u1ee5c kh\u00ed (qu\u1ea1t n\u01b0\u1edbc) \u0111\u1ec3 duy tr\u00ec DO \u1edf m\u1ee9c an to\u00e0n (\u22655\u00a0mg\/L). Vi\u1ec7c \u0111o DO th\u01b0\u1eddng xuy\u00ean gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm t\u00ecnh tr\u1ea1ng thi\u1ebfu oxy v\u00e0 ng\u0103n ng\u1eeba r\u1ee7i ro ch\u1ebft h\u00e0ng lo\u1ea1t<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.epa.gov\/national-aquatic-resource-surveys\/indicators-dissolved-oxygen#:~:text=for%20temperature%20and%20pH,and%20usually%20devoid%20of%20life\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">epa.gov<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fondriest.com\/environmental-measurements\/parameters\/water-quality\/dissolved-oxygen\/#:~:text=will%20avoid%20areas%20where%20DO,optimum%20growth%20and%20survival%20%C2%B9%C2%B2\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fondriest.com<\/span><\/span><\/span><\/a><\/span><\/span>.<\/span><\/p><h4 data-start=\"1208\" data-end=\"1215\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">2. Ch\u1ec9 s\u1ed1 pH<\/span><\/strong><\/h4><p data-start=\"1216\" data-end=\"1952\"><span style=\"font-family: arial, helvetica, sans-serif;\">\u0110\u1ed9 pH \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ion v\u00e0 \u0111\u1ed9 ho\u00e0 tan c\u1ee7a ch\u1ea5t dinh d\u01b0\u1ee1ng, c\u0169ng nh\u01b0 m\u1ee9c \u0111\u1ed9 \u0111\u1ed9c t\u00ednh c\u1ee7a m\u1ed9t s\u1ed1 kh\u00ed v\u00e0 ion (\u0111\u1eb7c bi\u1ec7t NH\u2083\/NH\u2084\u207a). pH n\u01b0\u1edbc dao \u0111\u1ed9ng t\u1ef1 nhi\u00ean trong ng\u00e0y (th\u1ea5p nh\u1ea5t l\u00fac s\u00e1ng, cao nh\u1ea5t l\u00fac chi\u1ec1u) do quang h\u1ee3p c\u1ee7a t\u1ea3o, nh\u01b0ng bi\u1ebfn \u0111\u1ed9ng qu\u00e1 m\u1ea1nh g\u00e2y stress v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng b\u1ec7nh t\u1eadt cho th\u1ee7y s\u1ea3n. Ph\u1ea7n l\u1edbn lo\u00e0i n\u01b0\u1edbc ng\u1ecdt v\u00e0 n\u01b0\u1edbc l\u1ee3 ph\u00e1t tri\u1ec3n t\u1ed1t \u1edf pH <strong data-start=\"1597\" data-end=\"1608\">6.5\u20138.5<\/strong> (\u0111\u1ec9nh t\u1ed1i \u01b0u th\u01b0\u1eddng kho\u1ea3ng 7\u20138)<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.globalseafood.org\/advocate\/constantly-changing-ph-unavoidable-completely-normal\/#:~:text=The%20pH%20influences%20survival%20and,for%20the%20majority%20of%20species\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">globalseafood.org<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/thefishsite.com\/articles\/how-to-achieve-good-water-quality-management-in-aquaculture#:~:text=,you%20can%20use%20acid%20fertilisers\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">thefishsite.com<\/span><\/span><\/span><\/a><\/span><\/span>. Ch\u1eb3ng h\u1ea1n, pH &lt;6.5 ho\u1eb7c &gt;8.5 k\u00e9o d\u00e0i s\u1ebd l\u00e0m gi\u1ea3m sinh tr\u01b0\u1edfng v\u00e0 kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a c\u00e1, t\u00f4m<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.globalseafood.org\/advocate\/constantly-changing-ph-unavoidable-completely-normal\/#:~:text=The%20pH%20influences%20survival%20and,for%20the%20majority%20of%20species\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">globalseafood.org<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/thefishsite.com\/articles\/how-to-achieve-good-water-quality-management-in-aquaculture#:~:text=seasons%2C%20and%20eggs%20and%20juveniles,5\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">thefishsite.com<\/span><\/span><\/span><\/a><\/span><\/span>. \u0110\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH khi n\u00f3 l\u1ec7ch gi\u1edbi h\u1ea1n l\u00fd t\u01b0\u1edfng, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n:<\/span><\/p><ul data-start=\"1953\" data-end=\"2407\"><li data-start=\"1953\" data-end=\"2087\"><p data-start=\"1955\" data-end=\"2087\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"1955\" data-end=\"1971\">Khi pH &lt;6.5:<\/strong> th\u00eam v\u00f4i b\u1ed9t (CaCO\u2083) ho\u1eb7c NaHCO\u2083 (bicarbonate) \u0111\u1ec3 t\u0103ng t\u00ednh ki\u1ec1m cho n\u01b0\u1edbc<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/thefishsite.com\/articles\/how-to-achieve-good-water-quality-management-in-aquaculture#:~:text=,you%20can%20use%20acid%20fertilisers\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">thefishsite.com<\/span><\/span><\/span><\/a><\/span><\/span>.<\/span><\/p><\/li><li data-start=\"2088\" data-end=\"2268\"><p data-start=\"2090\" data-end=\"2268\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"2090\" data-end=\"2106\">Khi pH &gt;8.5:<\/strong> c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t acid nh\u1eb9 ho\u1eb7c thay n\u01b0\u1edbc b\u1edbt \u0111\u1ec3 h\u1ea1 pH (ch\u1eb3ng h\u1ea1n d\u00f9ng ph\u00e2n b\u00f3n axit l\u00e0m m\u00f9n ho\u1eb7c pha lo\u00e3ng n\u01b0\u1edbc)<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/thefishsite.com\/articles\/how-to-achieve-good-water-quality-management-in-aquaculture#:~:text=,you%20can%20use%20acid%20fertilisers\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">thefishsite.com<\/span><\/span><\/span><\/a><\/span><\/span>.<\/span><\/p><\/li><li data-start=\"2269\" data-end=\"2407\"><p data-start=\"2271\" data-end=\"2407\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"2271\" data-end=\"2295\">Ki\u1ec3m so\u00e1t quang h\u1ee3p:<\/strong> \u0110i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng t\u1ea3o trong ao (che b\u1edbt n\u1eafng ho\u1eb7c phun ch\u00ecm dinh d\u01b0\u1ee1ng) \u0111\u1ec3 tr\u00e1nh pH t\u0103ng qu\u00e1 cao v\u00e0o ban ng\u00e0y.<\/span><\/p><\/li><\/ul><h4 data-start=\"2409\" data-end=\"2422\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">3. Ch\u1ec9 s\u1ed1 Nhi\u1ec7t \u0111\u1ed9<\/span><\/strong><\/h4><p data-start=\"2423\" data-end=\"2985\"><span style=\"font-family: arial, helvetica, sans-serif;\">Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111i\u1ec1u ch\u1ec9nh c\u00e1c qu\u00e1 tr\u00ecnh chuy\u1ec3n ho\u00e1, m\u1ee9c \u0103n, t\u0103ng tr\u01b0\u1edfng, sinh s\u1ea3n v\u00e0 s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u1ee7a th\u1ee7y s\u1ea3n. C\u00e1c lo\u00e0i nhi\u1ec7t \u0111\u1edbi (g\u1ed3m t\u00f4m th\u1ebb, c\u00e1 r\u00f4 phi\u2026) th\u01b0\u1eddng \u0111\u1ea1t t\u0103ng tr\u01b0\u1edfng t\u1ed1t \u1edf kho\u1ea3ng <strong data-start=\"2615\" data-end=\"2627\">24\u201330\u00a0\u00b0C <\/strong><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=Both%20growth%20and%20survival%20are,Temperatures%20above%2032%C2%B0C\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fao.org<\/span><\/span><\/span><\/a><\/span><\/span>, trong khi lo\u00e0i n\u01b0\u1edbc l\u1ea1nh (nh\u01b0 c\u00e1 h\u1ed3i, c\u00e1 ch\u00e9p) \u0111\u00f2i h\u1ecfi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n. S\u1ef1 thay \u0111\u1ed5i 2\u20133\u00a0\u00b0C c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0103n, t\u1ed1c \u0111\u1ed9 chuy\u1ec3n ho\u00e1 v\u00e0 h\u1ec7 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i th\u1ee9c \u0103n (FCR)<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.globalseafood.org\/advocate\/water-temperature-in-aquaculture\/#:~:text=Coldwater%20species%20will%20not%20tolerate,C\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">globalseafood.org<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.globalseafood.org\/advocate\/water-temperature-in-aquaculture\/#:~:text=Growth%20involves%20many%20metabolic%20and,10\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">globalseafood.org<\/span><\/span><\/span><\/a><\/span><\/span>. V\u00e0o ng\u00e0y n\u1eafng n\u00f3ng, c\u1ea7n <strong data-start=\"2954\" data-end=\"2974\">h\u1ea1 nhi\u1ec7t ao nu\u00f4i<\/strong> b\u1eb1ng c\u00e1ch:<\/span><\/p><ul data-start=\"2986\" data-end=\"3282\"><li data-start=\"2986\" data-end=\"3071\"><p data-start=\"2988\" data-end=\"3071\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"2988\" data-end=\"3001\">Che b\u00f3ng:<\/strong> tr\u1ea3i l\u01b0\u1edbi che ho\u1eb7c tr\u1ed3ng c\u00e2y xung quanh ao \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t.<\/span><\/p><\/li><li data-start=\"3072\" data-end=\"3202\"><p data-start=\"3074\" data-end=\"3202\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"3074\" data-end=\"3099\">T\u0103ng s\u1ee5c kh\u00ed\/\u0111\u1ed1i l\u01b0u:<\/strong> qu\u1ea1t n\u01b0\u1edbc v\u00e0 m\u00e1y s\u1ee5c kh\u00ed gi\u00fap khu\u1ea5y \u0111\u1ed9ng n\u01b0\u1edbc, t\u0103ng trao \u0111\u1ed5i kh\u00ed v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 h\u1ea1 nhi\u1ec7t cho n\u01b0\u1edbc.<\/span><\/p><\/li><li data-start=\"3203\" data-end=\"3282\"><p data-start=\"3205\" data-end=\"3282\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"3205\" data-end=\"3232\">Thay\/ b\u1ed5 sung n\u01b0\u1edbc m\u00e1t:<\/strong> b\u01a1m th\u00eam n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n n\u1ebfu c\u00f3 ngu\u1ed3n.<\/span><\/p><\/li><\/ul><p data-start=\"3284\" data-end=\"3640\"><span style=\"font-family: arial, helvetica, sans-serif;\">V\u00e0o m\u00f9a l\u1ea1nh ho\u1eb7c ban \u0111\u00eam, n\u1ebfu nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng th\u1ea5p c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng <strong data-start=\"3350\" data-end=\"3361\">s\u01b0\u1edfi \u1ea5m<\/strong> (d\u00f9ng thi\u1ebft b\u1ecb \u0111un n\u00f3ng n\u01b0\u1edbc) ho\u1eb7c gi\u1eef \u1ea5m ao nu\u00f4i trong nh\u00e0 k\u00ednh \u0111\u1ec3 tr\u00e1nh l\u00e0m c\u00e1, t\u00f4m ch\u1eadm \u0103n, ch\u1eadm l\u1edbn. C\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt nh\u01b0 t\u0103ng \u0111\u1ed9 s\u00e2u ao ho\u1eb7c \u0111\u00e0o r\u00e3nh n\u01b0\u1edbc s\u00e2u c\u0169ng gi\u00fap \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 ao<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=The%20best%20way%20to%20ensure,of%202%20m%20is%20required\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">\u00a0<\/span><\/span><\/span><\/a><\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=Shading%20portions%20of%20the%20pond,leaves%20has%20been%20found%20beneficial\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fao.org<\/span><\/span><\/span><\/a><\/span><\/span>.<\/span><\/p><h4 data-start=\"3642\" data-end=\"3664\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">4. Ch\u1ec9 s\u1ed1 \u0110\u1ed9 m\u1eb7n \/ EC \/ TDS<\/span><\/strong><\/h4><p data-start=\"3665\" data-end=\"4476\"><span style=\"font-family: arial, helvetica, sans-serif;\">\u0110\u1ed9 m\u1eb7n (do h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i NaCl v\u00e0 c\u00e1c mu\u1ed1i kh\u00e1c trong n\u01b0\u1edbc) \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn c\u00e2n b\u1eb1ng th\u1ea9m th\u1ea5u (osmoregulation) c\u1ee7a c\u00e1c lo\u00e0i t\u00f4m, c\u00e1 n\u01b0\u1edbc l\u1ee3 v\u00e0 b\u00e1n m\u1eb7n. M\u1ed7i lo\u00e0i v\u00e0 giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n c\u00f3 ng\u01b0\u1ee1ng \u0111\u1ed9 m\u1eb7n ph\u00f9 h\u1ee3p kh\u00e1c nhau. V\u00ed d\u1ee5, t\u00f4m th\u1ebb <em data-start=\"3904\" data-end=\"3917\">L. vannamei<\/em> ch\u1ecbu \u0111\u01b0\u1ee3c d\u1ea3i \u0111\u1ed9 m\u1eb7n r\u1ed9ng 0\u201340\u2030, nh\u01b0ng h\u1ea7u h\u1ebft nghi\u00ean c\u1ee9u cho th\u1ea5y <strong data-start=\"3985\" data-end=\"4000\">ph\u1ea1m vi t\u1ed1t<\/strong> kho\u1ea3ng 15\u201335\u2030 v\u00e0 <strong data-start=\"4018\" data-end=\"4028\">t\u1ed1i \u01b0u<\/strong> kho\u1ea3ng <strong data-start=\"4036\" data-end=\"4046\">20\u201325\u2030<\/strong> \u0111\u1ed1i v\u1edbi giai \u0111o\u1ea1n nu\u00f4i th\u01b0\u01a1ng ph\u1ea9m <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/bioflux.com.ro\/docs\/2019.2103-2116.pdf#:~:text=fluctuating%20daily\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">bioflux.com.ro<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=as%20possible%20because%20abrupt%20exposure,of%20Penaeus%20require%20almost%20marine\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fao.org<\/span><\/span><\/span><\/a><\/span><\/span>. M\u1ed9t s\u1ed1 lo\u00e0i t\u00f4m kh\u00e1c nh\u01b0 <em data-start=\"4186\" data-end=\"4203\">Penaeus monodon<\/em> v\u00e0 <em data-start=\"4207\" data-end=\"4220\">Metapenaeus<\/em> spp. c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n trong n\u01b0\u1edbc ng\u1ecdt, trong khi <em data-start=\"4271\" data-end=\"4287\">P. merguiensis<\/em> c\u1ea7n \u0111\u1ed9 m\u1eb7n tr\u00ean 10\u2030 (t\u1ed1i \u01b0u ~27\u2030) \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng t\u1ed1t<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=as%20possible%20because%20abrupt%20exposure,of%20Penaeus%20require%20almost%20marine\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fao.org<\/span><\/span><\/span><\/a><\/span><\/span>. \u0110\u1ed9 m\u1eb7n qu\u00e1 th\u1ea5p ho\u1eb7c qu\u00e1 cao so v\u1edbi nhu c\u1ea7u lo\u00e0i nu\u00f4i s\u1ebd g\u00e2y stress m\u1ea1nh. \u0110\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 m\u1eb7n:<\/span><\/p><ul data-start=\"4477\" data-end=\"4842\"><li data-start=\"4477\" data-end=\"4612\"><p data-start=\"4479\" data-end=\"4612\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"4479\" data-end=\"4499\">N\u1ebfu \u0111\u1ed9 m\u1eb7n th\u1ea5p:<\/strong> b\u1ed5 sung n\u01b0\u1edbc bi\u1ec3n c\u00f4 \u0111\u1eb7c ho\u1eb7c mu\u1ed1i \u0103n tinh (NaCl) t\u1eeb t\u1eeb v\u00e0o ao, \u0111\u1ea3m b\u1ea3o khu\u1ea5y tr\u1ed9n \u0111\u1ec1u \u0111\u1ec3 tr\u00e1nh s\u1ed1c th\u1ea9m th\u1ea5u.<\/span><\/p><\/li><li data-start=\"4613\" data-end=\"4842\"><p data-start=\"4615\" data-end=\"4842\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"4615\" data-end=\"4634\">N\u1ebfu \u0111\u1ed9 m\u1eb7n cao:<\/strong> t\u0103ng c\u01b0\u1eddng thay n\u01b0\u1edbc t\u01b0\u01a1i ho\u1eb7c pha lo\u00e3ng v\u1edbi n\u01b0\u1edbc ng\u1ecdt (\u0111\u1eb7c bi\u1ec7t sau m\u01b0a l\u1edbn) m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb.<\/span><br data-start=\"4728\" data-end=\"4731\" \/><span style=\"font-family: arial, helvetica, sans-serif;\">C\u1ea7n <strong data-start=\"4735\" data-end=\"4756\">theo d\u00f5i ch\u1eb7t ch\u1ebd<\/strong> di\u1ec5n bi\u1ebfn \u0111\u1ed9 m\u1eb7n v\u00e0 thay \u0111\u1ed5i d\u1ea7n d\u1ea7n \u0111\u1ec3 c\u00e1, t\u00f4m c\u00f3 th\u1eddi gian th\u00edch nghi, tr\u00e1nh s\u1ed1c.<\/span><\/p><\/li><\/ul><h4 data-start=\"4844\" data-end=\"4876\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">5. Ch\u1ec9 s\u1ed1 Ti\u1ec1m n\u0103ng oxy h\u00f3a kh\u1eed \u2013 ORP<\/span><\/strong><\/h4><p data-start=\"4877\" data-end=\"5604\"><span style=\"font-family: arial, helvetica, sans-serif;\">ORP (Oxidation-Reduction Potential) cho bi\u1ebft kh\u1ea3 n\u0103ng oxy h\u00f3a ho\u1eb7c kh\u1eed chung c\u1ee7a n\u01b0\u1edbc ao. Gi\u00e1 tr\u1ecb ORP d\u01b0\u01a1ng cao (v\u00ed d\u1ee5 <strong data-start=\"4996\" data-end=\"5010\">200\u2013400\u00a0mV<\/strong> ho\u1eb7c h\u01a1n) ph\u1ea3n \u00e1nh m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc c\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh (nhi\u1ec1u oxy t\u1ef1 do, \u00edt ch\u1ea5t kh\u1eed nh\u01b0 NH\u2083, H\u2082S), th\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng v\u1edbi h\u1ec7 sinh th\u00e1i kh\u1ecfe m\u1ea1nh, oxy ho\u00e1 t\u1ed1t v\u00e0 b\u00f9n \u0111\u00e1y \u00edt \u0111\u1ed9c t\u1ed1. Ng\u01b0\u1ee3c l\u1ea1i, ORP th\u1ea5p ho\u1eb7c \u00e2m (&lt;0\u00a0mV) cho th\u1ea5y n\u01b0\u1edbc ao c\u00f3 xu h\u01b0\u1edbng y\u1ebfm kh\u00ed (\u00edt oxy, nhi\u1ec1u ch\u1ea5t h\u1eefu c\u01a1 ph\u00e2n h\u1ee7y), t\u1ea1o \u0111i\u1ec1u ki\u1ec7n t\u00edch t\u1ee5 b\u00f9n \u0111en v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1ed9c (sunfua, methane\u2026)<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.ysi.com\/parameters\/orp-redox?srsltid=AfmBOoqCFhX6IzjCP3ManrM4FB64ThJjVxGkYBiHBxcBxqhwi3SRzvp6#:~:text=In%20surface%20water%20environments%2C%20ORP,supporting%20a%20healthy%2C%20balanced%20ecosystem\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">ysi.com<\/span><\/span><\/span><\/a><\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.moleaer.com\/blog\/lakes-ponds\/koi-pond-maintenance-with-nanobubbles#:~:text=Second%2C%20nanobubbles%20enhance%20natural%20oxidation,contaminants%20and%20naturally%20clean%20themselves\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">moleaer.com<\/span><\/span><\/span><\/a><\/span><\/span>. Nhi\u1ec1u kinh nghi\u1ec7m nu\u00f4i cho th\u1ea5y <strong data-start=\"5482\" data-end=\"5505\">m\u1ee9c ORP tr\u00ean 300\u00a0mV<\/strong> \u0111\u01b0\u1ee3c xem l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u00f4i tr\u01b0\u1eddng trong s\u1ea1ch, gi\u00e0u oxy <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.moleaer.com\/blog\/lakes-ponds\/koi-pond-maintenance-with-nanobubbles#:~:text=Second%2C%20nanobubbles%20enhance%20natural%20oxidation,contaminants%20and%20naturally%20clean%20themselves\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">moleaer.com<\/span><\/span><\/span><\/a><\/span><\/span>.<\/span><\/p><p data-start=\"5606\" data-end=\"5842\"><span style=\"font-family: arial, helvetica, sans-serif;\">Khi gi\u00e1 tr\u1ecb ORP \u0111\u1ed9t ng\u1ed9t gi\u1ea3m ho\u1eb7c duy tr\u00ec \u1edf m\u1ee9c th\u1ea5p, \u0111\u00e2y l\u00e0 \u201cc\u1ea3nh b\u00e1o s\u1edbm\u201d nhi\u1ec1u ch\u1ec9 ti\u00eau kh\u00e1c \u0111ang b\u1eaft \u0111\u1ea7u x\u1ea5u \u0111i (ch\u1eb3ng h\u1ea1n DO gi\u1ea3m, kh\u00ed \u0111\u1ed9c t\u0103ng)<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.ysi.com\/parameters\/orp-redox?srsltid=AfmBOoqCFhX6IzjCP3ManrM4FB64ThJjVxGkYBiHBxcBxqhwi3SRzvp6#:~:text=Conversely%2C%20low%20ORP%20values%20in,scale%20ecological%20imbalance%20occurs\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">ysi.com<\/span><\/span><\/span><\/a><\/span><\/span>. C\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m:<\/span><\/p><ul data-start=\"5843\" data-end=\"6303\"><li data-start=\"5843\" data-end=\"5914\"><p data-start=\"5845\" data-end=\"5914\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"5845\" data-end=\"5866\">Ki\u1ec3m tra ngay DO:<\/strong> N\u1ebfu DO th\u1ea5p, t\u0103ng c\u01b0\u1eddng s\u1ee5c kh\u00ed ngay l\u1eadp t\u1ee9c.<\/span><\/p><\/li><li data-start=\"5915\" data-end=\"5997\"><p data-start=\"5917\" data-end=\"5997\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"5917\" data-end=\"5937\">Lo\u1ea1i b\u1ecf b\u00f9n \u0111\u00e1y:<\/strong> N\u1ea1o v\u00e9t b\u1edbt b\u00f9n, ch\u1ea5t h\u1eefu c\u01a1 l\u1eafng \u1edf \u0111\u00e1y \u0111\u1ec3 gi\u1ea3m ch\u1ea5t kh\u1eed.<\/span><\/p><\/li><li data-start=\"5998\" data-end=\"6104\"><p data-start=\"6000\" data-end=\"6104\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"6000\" data-end=\"6018\">S\u1ee5c tr\u1ed9n n\u01b0\u1edbc:<\/strong> D\u00f9ng m\u00e1y khu\u1ea5y ho\u1eb7c qu\u1ea1t gi\u00f3 l\u1edbn \u0111\u1ec3 tr\u1ed9n n\u01b0\u1edbc, gi\u00fap oxy ho\u00e1 b\u00f9n v\u00e0 ph\u00e2n b\u1ed1 oxy \u0111\u1ec1u.<\/span><\/p><\/li><li data-start=\"6105\" data-end=\"6303\"><p data-start=\"6107\" data-end=\"6303\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"6107\" data-end=\"6125\">X\u1eed l\u00fd oxy h\u00f3a:<\/strong> Trong m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng kh\u00e9p k\u00edn ho\u1eb7c ao nu\u00f4i ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 d\u00f9ng ozone ho\u1eb7c c\u00e1c ch\u1ea5t oxy h\u00f3a (nh\u01b0 peroxide) theo li\u1ec1u ki\u1ec3m so\u00e1t \u0111\u1ec3 n\u00e2ng ORP v\u00e0 ti\u00eau di\u1ec7t vi khu\u1ea9n c\u00f3 h\u1ea1i.<\/span><\/p><\/li><\/ul><p data-start=\"6305\" data-end=\"6643\"><span style=\"font-family: arial, helvetica, sans-serif;\">Nh\u00ecn chung, duy tr\u00ec <strong data-start=\"6325\" data-end=\"6350\">ORP \u1edf m\u1ee9c cao (d\u01b0\u01a1ng)<\/strong> gi\u00fap ao nu\u00f4i trong s\u1ea1ch, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u201cl\u00e0m s\u1ea1ch\u201d t\u1ef1 nhi\u00ean c\u1ee7a n\u01b0\u1edbc. Ng\u01b0\u1ee3c l\u1ea1i, gi\u00e1 tr\u1ecb ORP gi\u1ea3m l\u00e0 d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o c\u00e1c th\u00f4ng s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00e1c nh\u01b0 DO, pH, ch\u1ea5t dinh d\u01b0\u1ee1ng\u2026 \u0111ang c\u00f3 xu h\u01b0\u1edbng x\u1ea5u \u0111i<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"> <a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.ysi.com\/parameters\/orp-redox?srsltid=AfmBOoqCFhX6IzjCP3ManrM4FB64ThJjVxGkYBiHBxcBxqhwi3SRzvp6#:~:text=Conversely%2C%20low%20ORP%20values%20in,scale%20ecological%20imbalance%20occurs\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">ysi.com<\/span><\/span><\/span><\/a><\/span><\/span>, \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi nu\u00f4i c\u1ea7n can thi\u1ec7p k\u1ecbp th\u1eddi.<\/span><\/p><p data-start=\"6645\" data-end=\"7111\" data-is-only-node=\"\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong data-start=\"6645\" data-end=\"6668\">T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/strong> C\u00e1c th\u00f4ng tin tr\u00ean \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p t\u1eeb nhi\u1ec1u ngu\u1ed3n chuy\u00ean ng\u00e0nh nh\u01b0 H\u01b0\u1edbng d\u1eabn qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc nu\u00f4i (US EPA <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.epa.gov\/national-aquatic-resource-surveys\/indicators-dissolved-oxygen#:~:text=for%20temperature%20and%20pH,and%20usually%20devoid%20of%20life\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">epa.gov<\/span><\/span><\/span><\/a><\/span><\/span>, Global Seafood Alliance <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.globalseafood.org\/advocate\/constantly-changing-ph-unavoidable-completely-normal\/#:~:text=The%20pH%20influences%20survival%20and,for%20the%20majority%20of%20species\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">globalseafood.org<\/span><\/span><\/span><\/a> <\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.moleaer.com\/blog\/lakes-ponds\/koi-pond-maintenance-with-nanobubbles#:~:text=Second%2C%20nanobubbles%20enhance%20natural%20oxidation,contaminants%20and%20naturally%20clean%20themselves\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">moleaer.com<\/span><\/span><\/span><\/a><\/span><\/span>, FAO <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=Both%20growth%20and%20survival%20are,Temperatures%20above%2032%C2%B0C\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fao.org<\/span><\/span><\/span><\/a><\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]! transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.fao.org\/4\/ac006e\/AC006E04.htm#:~:text=as%20possible%20because%20abrupt%20exposure,of%20Penaeus%20require%20almost%20marine\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">fao.org<\/span><\/span><\/span><\/a><\/span><\/span>, c\u00e1c b\u00e0i b\u00e1o v\u00e0 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt) nh\u1eb1m h\u1ed7 tr\u1ee3 c\u1ed9ng \u0111\u1ed3ng nu\u00f4i t\u00f4m, c\u00e1 n\u00e2ng cao hi\u1ec7u qu\u1ea3 qu\u1ea3n l\u00fd ao nu\u00f4i.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>C\u00e1c ch\u1ec9 ti\u00eau m\u00f4i tr\u01b0\u1eddng quan tr\u1ecdng trong ao nu\u00f4i th\u1ee7y s\u1ea3n 1. Ch\u1ec9 s\u1ed1 Oxy h\u00f2a tan DO H\u00f4 h\u1ea5p c\u1ee7a th\u1ee7y sinh v\u1eadt ph\u1ee5 thu\u1ed9c ch\u1ee7 y\u1ebfu v\u00e0o l\u01b0\u1ee3ng oxy ho\u00e0 tan (DO) trong n\u01b0\u1edbc. DO l\u00e0 nh\u00e2n t\u1ed1 quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh s\u1ee9c kh\u1ecfe, kh\u1ea3 n\u0103ng \u0103n v\u00e0 t\u1ef7 l\u1ec7 s\u1ed1ng<a class=\"more-link\" href=\"https:\/\/eplusi.net\/en\/news\/cac-chi-tieu-moi-truong-quan-trong-trong-ao-nuoi-thuy-san\/\">Continue reading <span class=\"screen-reader-text\">&#8220;C\u00e1c ch\u1ec9 ti\u00eau m\u00f4i tr\u01b0\u1eddng quan tr\u1ecdng trong ao nu\u00f4i th\u1ee7y s\u1ea3n&#8221;<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":4622,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"categories":[7],"tags":[148,159,157,155,158,160,149,156,146,161,151,162,150,153,154,152,147],"_links":{"self":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/8359"}],"collection":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/comments?post=8359"}],"version-history":[{"count":5,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/8359\/revisions"}],"predecessor-version":[{"id":8367,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/8359\/revisions\/8367"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media\/4622"}],"wp:attachment":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media?parent=8359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/categories?post=8359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/tags?post=8359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}