{"id":144260,"date":"2024-11-23T19:48:58","date_gmt":"2024-11-23T14:18:58","guid":{"rendered":"https:\/\/pwonlyias.com\/stage\/?post_type=current-affairs&#038;p=144260"},"modified":"2024-11-25T13:20:25","modified_gmt":"2024-11-25T07:50:25","slug":"biofloc-technology-and-ras","status":"publish","type":"current-affairs","link":"https:\/\/pwonlyias.com\/stage\/current-affairs\/biofloc-technology-and-ras","title":{"rendered":"Emerging Technologies in Aquaculture: Biofloc Technology &#038; Recirculating Aquaculture Systems (RAS)"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">India\u2019s aquaculture sector has seen greater adoption of<\/span><b> Biofloc Technology (BFT) and Recirculating Aquaculture Systems (RAS).<\/b><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>More on News<\/b><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Department of Fisheries is promotes BFT &#038; RAS by offering subsidies at national and state levels.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Currently, <\/span><b>India is the second-largest producer of farmed fish globally (after China)<\/b><span style=\"font-weight: 400;\">, contributing to food security, employment, and economic growth.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span class=\"vc_button\"><a href=\"https:\/\/www.pw.live\/batches\/upsc\/pw-only-ias?utm_source=seo+upsc+batch&#038;utm_medium=seo+upsc&#038;utm_campaign=seo&#038;utm_id=upsc\" target=\"_blank\" rel=\"noopener\">Enroll now for UPSC Online Classes<\/a><\/span><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>About Biofloc Technology (BFT)<\/b><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-144261 alignright\" src=\"https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2024\/11\/231-6741d8924546a.webp\" alt=\"Biofloc Technology\" width=\"550\" height=\"418\" srcset=\"https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2024\/11\/231-6741d8924546a.webp 852w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2024\/11\/231-6741d8924546a-300x228.webp 300w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2024\/11\/231-6741d8924546a-768x583.webp 768w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">It is <\/span><b>a sustainable aquaculture technique<\/b><span style=\"font-weight: 400;\"> that uses microorganisms to convert waste products into nutrients for fish and crustaceans.<\/span><\/li>\n<li><b>Biofloc: <\/b><span style=\"font-weight: 400;\">It is a protein rich live feed formed as a result of conversion of unused feed and excreta into a natural food in a culture system on exposure to sunlight and vigorous aeration.<\/span><\/li>\n<li><b>Working:<\/b><span style=\"font-weight: 400;\"> It\u00a0 uses <\/span><b>beneficial bacteria (floc)<\/b><span style=\"font-weight: 400;\"> to convert organic waste into microbial biomass for fish consumption. It requires aeration systems for oxygen levels and mechanical filtration to maintain water quality.<\/span><\/li>\n<li><b>Advantages:<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">Reduces need for chemicals\/antibiotics.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Sustainable, cost-effective, &#038; suitable for small farmers or backyard farming.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Challenges:<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">High initial investment (\u20b94\u20135 lakh).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Requires frequent monitoring of carbon-to-nitrogen ratios and floc levels.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Limited species suitability\u2192 Indian Major Carps like rohu &#038; catla are difficult to rear in northern regions<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span class=\"vc_button\"><a href=\"https:\/\/store.pw.live\/govt-entrance-exams\/upsc-books\/upsc-textbooks?utm_source=SEO&#038;utm_medium=PW+Live&#038;utm_campaign=UPSC+Textbooks\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Check Out UPSC NCERT Textbooks From PW Store<\/span><\/a><\/span><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>About Recirculating Aquaculture Systems (RAS)<\/b><\/span><\/h2>\n<ul>\n<li><b>Recirculating Aquaculture Systems (RAS) is <\/b><span style=\"font-weight: 400;\">a technology that recycles water for fish farming in indoor tanks.<\/span><\/li>\n<li><b>Working:<\/b><span style=\"font-weight: 400;\"> It filters &#038; recycles water using mechanical and biological filtration systems and creates a controlled environment for temperature, oxygen, &#038; cleanliness.<\/span><\/li>\n<li><b>Advantages:<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">It offers high biosecurity, less disease risk, and reduced need for antibiotics.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">It is suitable for indoor farming or areas without natural water sources.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Challenges:<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">High investment &#038; operational costs.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Requires constant power supply, backup systems, &#038; skilled labor for monitoring and maintenance.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"vc_table_green\"><\/p>\n<table style=\"width: 99.6375%;\">\n<tbody>\n<tr>\n<td style=\"width: 111.19%; text-align: center;\" colspan=\"2\"><span style=\"font-size: 18pt;\"><b>Also Read<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.797%; 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