Effects of three carbohydrate sources on water quality, water consumption, bacterial count, growth and muscle quality of Nile tilapia (Oreochromis niloticus) in a biofloc system
This study compared the effect of three sources of carbohydrates: sugar, wheat and malt flours, on water quality, water consumption, bacterial load, growth and flesh quality of Nile tilapia. Adults (120.6 ± 0.64 g) were stocked in 1.2‐m3 fibreglass tanks at a rate of 25 fish/m3. Carbohydrates were a...
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| description | This study compared the effect of three sources of carbohydrates: sugar, wheat and malt flours, on water quality, water consumption, bacterial load, growth and flesh quality of Nile tilapia. Adults (120.6 ± 0.64 g) were stocked in 1.2‐m3 fibreglass tanks at a rate of 25 fish/m3. Carbohydrates were added to the biofloc tanks at a C:N ratio of 20:1. Water flow in the non‐biofloc control tanks was adjusted to 0.6 L/day. The 105‐day experiment was conducted in triplicates. Results showed that biofloc treatments (BFT) with zero water exchange had significantly higher mean total ammonia, nitrites, nitrates, alkalinity, total suspended solids and lower pH than the control treatment. The sugar BFT had the highest floc volume. Growth parameters and feed conversion ratio did not differ significantly among treatments. However, tilapia in the malt flour and control treatments had close values. Gross fish yield was higher (p |
| doi_str_mv | 10.1111/are.14764 |
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Adults (120.6 ± 0.64 g) were stocked in 1.2‐m3 fibreglass tanks at a rate of 25 fish/m3. Carbohydrates were added to the biofloc tanks at a C:N ratio of 20:1. Water flow in the non‐biofloc control tanks was adjusted to 0.6 L/day. The 105‐day experiment was conducted in triplicates. Results showed that biofloc treatments (BFT) with zero water exchange had significantly higher mean total ammonia, nitrites, nitrates, alkalinity, total suspended solids and lower pH than the control treatment. The sugar BFT had the highest floc volume. Growth parameters and feed conversion ratio did not differ significantly among treatments. However, tilapia in the malt flour and control treatments had close values. Gross fish yield was higher (p < .05) in the control than the BFT treatments. Water consumption/kg tilapia produced in the control was 42 times higher than the BFT groups. Protozoa dominated the biofloc biota, and wheat flour was the best in harbouring higher bacterial populations in the gut. Protein content and ∑n‐3 fatty acids were highest in the wheat flour biofloc, while malt flour biofloc had the highest lipids. The sugar biofloc had the highest n‐3/n‐6 ratio. Tilapia muscles in the malt flour and control treatments had the highest protein and lipid contents respectively. Tilapia muscles in the wheat flour BFT had the highest ∑n‐3 fatty acids and n‐3/n‐6 ratio. It can be concluded that farming tilapia in BFT using malt or wheat flours as carbon sources is more economical in saving great amount of water with minimal discharge of pollutants without affecting tilapia growth or flesh quality.</description><identifier>ISSN: 1355-557X</identifier><identifier>EISSN: 1365-2109</identifier><identifier>DOI: 10.1111/are.14764</identifier><language>eng</language><publisher>Oxford: Hindawi Limited</publisher><subject>Alkalinity ; Ammonia ; Bacteria ; Biofloc technology ; Biota ; Carbohydrates ; carbon ; Carbon sources ; Control ; Conversion ratio ; Fatty acids ; FCR ; Feed conversion ; Fiberglass ; Fish ; Flour ; Food conversion ; Freshwater fishes ; Growth ; Lipids ; Malt ; Marine fishes ; Moisture content ; Muscles ; Nitrates ; Nitrites ; Oreochromis niloticus ; Pollutants ; production ; Proteins ; Protozoa ; Saccharides ; Solid suspensions ; Sugar ; Suspended particulate matter ; Tanks ; Tilapia ; Total suspended solids ; Water consumption ; Water content ; Water exchange ; Water flow ; Water quality ; Wheat</subject><ispartof>Aquaculture research, 2020-10, Vol.51 (10), p.4225-4237</ispartof><rights>2020 John Wiley & Sons Ltd</rights><rights>Copyright © 2020 John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3324-cb4995ba4a285e3b20eed789375e301f71b866791984485035eff05366dca2993</citedby><cites>FETCH-LOGICAL-c3324-cb4995ba4a285e3b20eed789375e301f71b866791984485035eff05366dca2993</cites><orcidid>0000-0002-2204-2485 ; 0000-0001-5074-2991 ; 0000-0002-8644-2242 ; 0000-0001-5839-8072</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fare.14764$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fare.14764$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27926,27927,45576,45577</link.rule.ids></links><search><creatorcontrib>Ridha, Mohammad T.</creatorcontrib><creatorcontrib>Hossain, Md Arshad</creatorcontrib><creatorcontrib>Azad, Ismail S.</creatorcontrib><creatorcontrib>Saburova, Maria</creatorcontrib><title>Effects of three carbohydrate sources on water quality, water consumption, bacterial count, growth and muscle quality of Nile tilapia (Oreochromis niloticus) in a biofloc system</title><title>Aquaculture research</title><description>This study compared the effect of three sources of carbohydrates: sugar, wheat and malt flours, on water quality, water consumption, bacterial load, growth and flesh quality of Nile tilapia. Adults (120.6 ± 0.64 g) were stocked in 1.2‐m3 fibreglass tanks at a rate of 25 fish/m3. Carbohydrates were added to the biofloc tanks at a C:N ratio of 20:1. Water flow in the non‐biofloc control tanks was adjusted to 0.6 L/day. The 105‐day experiment was conducted in triplicates. Results showed that biofloc treatments (BFT) with zero water exchange had significantly higher mean total ammonia, nitrites, nitrates, alkalinity, total suspended solids and lower pH than the control treatment. The sugar BFT had the highest floc volume. Growth parameters and feed conversion ratio did not differ significantly among treatments. However, tilapia in the malt flour and control treatments had close values. Gross fish yield was higher (p < .05) in the control than the BFT treatments. Water consumption/kg tilapia produced in the control was 42 times higher than the BFT groups. Protozoa dominated the biofloc biota, and wheat flour was the best in harbouring higher bacterial populations in the gut. Protein content and ∑n‐3 fatty acids were highest in the wheat flour biofloc, while malt flour biofloc had the highest lipids. The sugar biofloc had the highest n‐3/n‐6 ratio. Tilapia muscles in the malt flour and control treatments had the highest protein and lipid contents respectively. Tilapia muscles in the wheat flour BFT had the highest ∑n‐3 fatty acids and n‐3/n‐6 ratio. It can be concluded that farming tilapia in BFT using malt or wheat flours as carbon sources is more economical in saving great amount of water with minimal discharge of pollutants without affecting tilapia growth or flesh quality.</description><subject>Alkalinity</subject><subject>Ammonia</subject><subject>Bacteria</subject><subject>Biofloc technology</subject><subject>Biota</subject><subject>Carbohydrates</subject><subject>carbon</subject><subject>Carbon sources</subject><subject>Control</subject><subject>Conversion ratio</subject><subject>Fatty acids</subject><subject>FCR</subject><subject>Feed conversion</subject><subject>Fiberglass</subject><subject>Fish</subject><subject>Flour</subject><subject>Food conversion</subject><subject>Freshwater fishes</subject><subject>Growth</subject><subject>Lipids</subject><subject>Malt</subject><subject>Marine fishes</subject><subject>Moisture content</subject><subject>Muscles</subject><subject>Nitrates</subject><subject>Nitrites</subject><subject>Oreochromis niloticus</subject><subject>Pollutants</subject><subject>production</subject><subject>Proteins</subject><subject>Protozoa</subject><subject>Saccharides</subject><subject>Solid suspensions</subject><subject>Sugar</subject><subject>Suspended particulate matter</subject><subject>Tanks</subject><subject>Tilapia</subject><subject>Total suspended solids</subject><subject>Water consumption</subject><subject>Water content</subject><subject>Water exchange</subject><subject>Water flow</subject><subject>Water quality</subject><subject>Wheat</subject><issn>1355-557X</issn><issn>1365-2109</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kV1LwzAUhosoOKcX_oOANw7WLWmSflyOMT9AHIiCdyVNE5vRNl2SMvqz_Idmdl6am-Q95znnkPMGwS2CC-TPkhmxQCSJyVkwQTimYYRgdn58UxpSmnxeBlfW7iBEBGI0Cb43UgruLNASuMoIATgzha6G0jAngNW94cJnW3Dw2oB9z2rlhvlJct3avumc0u0cFIz7mGK1D_etm4Mvow-uAqwtQdNbXou_8uO0V-W1UzXrFAP3WyM0r4xulAWtqrVTvLczoFrAQKG0rDUHdrBONNfBhWS1FTenexp8PGze10_hy_bxeb16CTnGEQl5QbKMFoywKKUCFxEUokzSDCdeQSQTVKRxnGQoSwlJKcRUSAkpjuOSsyjL8DS4G_t2Ru97YV2-88to_cg8IiRCCYpj4qnZSHGjrTVC5p1RDTNDjmB-dCT3juS_jnh2ObIH__XhfzBfvW3Gih8SlY_e</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Ridha, Mohammad T.</creator><creator>Hossain, Md Arshad</creator><creator>Azad, Ismail S.</creator><creator>Saburova, Maria</creator><general>Hindawi Limited</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H98</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0002-2204-2485</orcidid><orcidid>https://orcid.org/0000-0001-5074-2991</orcidid><orcidid>https://orcid.org/0000-0002-8644-2242</orcidid><orcidid>https://orcid.org/0000-0001-5839-8072</orcidid></search><sort><creationdate>202010</creationdate><title>Effects of three carbohydrate sources on water quality, water consumption, bacterial count, growth and muscle quality of Nile tilapia (Oreochromis niloticus) in a biofloc system</title><author>Ridha, Mohammad T. ; Hossain, Md Arshad ; Azad, Ismail S. ; Saburova, Maria</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3324-cb4995ba4a285e3b20eed789375e301f71b866791984485035eff05366dca2993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Alkalinity</topic><topic>Ammonia</topic><topic>Bacteria</topic><topic>Biofloc technology</topic><topic>Biota</topic><topic>Carbohydrates</topic><topic>carbon</topic><topic>Carbon sources</topic><topic>Control</topic><topic>Conversion ratio</topic><topic>Fatty acids</topic><topic>FCR</topic><topic>Feed conversion</topic><topic>Fiberglass</topic><topic>Fish</topic><topic>Flour</topic><topic>Food conversion</topic><topic>Freshwater fishes</topic><topic>Growth</topic><topic>Lipids</topic><topic>Malt</topic><topic>Marine fishes</topic><topic>Moisture content</topic><topic>Muscles</topic><topic>Nitrates</topic><topic>Nitrites</topic><topic>Oreochromis niloticus</topic><topic>Pollutants</topic><topic>production</topic><topic>Proteins</topic><topic>Protozoa</topic><topic>Saccharides</topic><topic>Solid suspensions</topic><topic>Sugar</topic><topic>Suspended particulate matter</topic><topic>Tanks</topic><topic>Tilapia</topic><topic>Total suspended solids</topic><topic>Water consumption</topic><topic>Water content</topic><topic>Water exchange</topic><topic>Water flow</topic><topic>Water quality</topic><topic>Wheat</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ridha, Mohammad T.</creatorcontrib><creatorcontrib>Hossain, Md Arshad</creatorcontrib><creatorcontrib>Azad, Ismail S.</creatorcontrib><creatorcontrib>Saburova, Maria</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Aquaculture research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ridha, Mohammad T.</au><au>Hossain, Md Arshad</au><au>Azad, Ismail S.</au><au>Saburova, Maria</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of three carbohydrate sources on water quality, water consumption, bacterial count, growth and muscle quality of Nile tilapia (Oreochromis niloticus) in a biofloc system</atitle><jtitle>Aquaculture research</jtitle><date>2020-10</date><risdate>2020</risdate><volume>51</volume><issue>10</issue><spage>4225</spage><epage>4237</epage><pages>4225-4237</pages><issn>1355-557X</issn><eissn>1365-2109</eissn><abstract>This study compared the effect of three sources of carbohydrates: sugar, wheat and malt flours, on water quality, water consumption, bacterial load, growth and flesh quality of Nile tilapia. Adults (120.6 ± 0.64 g) were stocked in 1.2‐m3 fibreglass tanks at a rate of 25 fish/m3. Carbohydrates were added to the biofloc tanks at a C:N ratio of 20:1. Water flow in the non‐biofloc control tanks was adjusted to 0.6 L/day. The 105‐day experiment was conducted in triplicates. Results showed that biofloc treatments (BFT) with zero water exchange had significantly higher mean total ammonia, nitrites, nitrates, alkalinity, total suspended solids and lower pH than the control treatment. The sugar BFT had the highest floc volume. Growth parameters and feed conversion ratio did not differ significantly among treatments. However, tilapia in the malt flour and control treatments had close values. Gross fish yield was higher (p < .05) in the control than the BFT treatments. Water consumption/kg tilapia produced in the control was 42 times higher than the BFT groups. Protozoa dominated the biofloc biota, and wheat flour was the best in harbouring higher bacterial populations in the gut. Protein content and ∑n‐3 fatty acids were highest in the wheat flour biofloc, while malt flour biofloc had the highest lipids. The sugar biofloc had the highest n‐3/n‐6 ratio. Tilapia muscles in the malt flour and control treatments had the highest protein and lipid contents respectively. Tilapia muscles in the wheat flour BFT had the highest ∑n‐3 fatty acids and n‐3/n‐6 ratio. It can be concluded that farming tilapia in BFT using malt or wheat flours as carbon sources is more economical in saving great amount of water with minimal discharge of pollutants without affecting tilapia growth or flesh quality.</abstract><cop>Oxford</cop><pub>Hindawi Limited</pub><doi>10.1111/are.14764</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-2204-2485</orcidid><orcidid>https://orcid.org/0000-0001-5074-2991</orcidid><orcidid>https://orcid.org/0000-0002-8644-2242</orcidid><orcidid>https://orcid.org/0000-0001-5839-8072</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Alkalinity Ammonia Bacteria Biofloc technology Biota Carbohydrates carbon Carbon sources Control Conversion ratio Fatty acids FCR Feed conversion Fiberglass Fish Flour Food conversion Freshwater fishes Growth Lipids Malt Marine fishes Moisture content Muscles Nitrates Nitrites Oreochromis niloticus Pollutants production Proteins Protozoa Saccharides Solid suspensions Sugar Suspended particulate matter Tanks Tilapia Total suspended solids Water consumption Water content Water exchange Water flow Water quality Wheat |
| title | Effects of three carbohydrate sources on water quality, water consumption, bacterial count, growth and muscle quality of Nile tilapia (Oreochromis niloticus) in a biofloc system |
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