Evaluation of dates and date pits as dietary ingredients in tilapia ( Oreochromis aureus) diets differing in protein sources
Seven isonitrogenous (40% crude protein) and isocaloric (18.6 kJ/g gross energy) diets were formulated to investigate the utilisation of dates and date pits as carbohydrate sources for tilapia fry ( Oreochromis aureus) and to evaluate the complete substitution of fish meal by poultry byproduct and b...
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| Veröffentlicht in: | Bioresource technology 1996-07, Vol.57 (1), p.81-85 |
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| creator | Yousif, O.M. Osman, M.F. Alhadrami, G.A. |
| description | Seven isonitrogenous (40% crude protein) and isocaloric (18.6 kJ/g gross energy) diets were formulated to investigate the utilisation of dates and date pits as carbohydrate sources for tilapia fry (
Oreochromis aureus) and to evaluate the complete substitution of fish meal by poultry byproduct and blood meals. The growth and feed utilisation efficiency of fish fed on diets in which poultry byproduct meal was the only animal protein source were higher (
P < 0.05) than with the other two protein sources. Since these results disagree with those of previous studies with other fish species, it was assumed that the low performances of fish on fish-meal and blood-meal diets were due to inadequate processing of the raw products. The inclusion of the dates and date pits did not influence the growth of the fish. A trend of increasing body-protein content and decreasing fat was observed in fish fed diets supplemented with date-pits meal. An estrogenic action of date pits was hypothesised as the direct cause of this phenomenon. |
| doi_str_mv | 10.1016/0960-8524(96)00054-5 |
| format | Article |
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Oreochromis aureus) and to evaluate the complete substitution of fish meal by poultry byproduct and blood meals. The growth and feed utilisation efficiency of fish fed on diets in which poultry byproduct meal was the only animal protein source were higher (
P < 0.05) than with the other two protein sources. Since these results disagree with those of previous studies with other fish species, it was assumed that the low performances of fish on fish-meal and blood-meal diets were due to inadequate processing of the raw products. The inclusion of the dates and date pits did not influence the growth of the fish. A trend of increasing body-protein content and decreasing fat was observed in fish fed diets supplemented with date-pits meal. An estrogenic action of date pits was hypothesised as the direct cause of this phenomenon.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/0960-8524(96)00054-5</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Animal aquaculture ; Animal productions ; Biological and medical sciences ; blood meal ; date pits ; dates ; Food industries ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Oreochromis aureus ; Pisciculture ; poultry byproduct meal ; Tilapia ; Use and upgrading of agricultural and food by-products. Biotechnology ; Vertebrate aquaculture</subject><ispartof>Bioresource technology, 1996-07, Vol.57 (1), p.81-85</ispartof><rights>1996</rights><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-73e72eadb28b1a4cc6a978791887d9ceee445fd52ccaf5a31f97fb311406dea03</citedby><cites>FETCH-LOGICAL-c395t-73e72eadb28b1a4cc6a978791887d9ceee445fd52ccaf5a31f97fb311406dea03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/0960852496000545$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2487125$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yousif, O.M.</creatorcontrib><creatorcontrib>Osman, M.F.</creatorcontrib><creatorcontrib>Alhadrami, G.A.</creatorcontrib><title>Evaluation of dates and date pits as dietary ingredients in tilapia ( Oreochromis aureus) diets differing in protein sources</title><title>Bioresource technology</title><description>Seven isonitrogenous (40% crude protein) and isocaloric (18.6 kJ/g gross energy) diets were formulated to investigate the utilisation of dates and date pits as carbohydrate sources for tilapia fry (
Oreochromis aureus) and to evaluate the complete substitution of fish meal by poultry byproduct and blood meals. The growth and feed utilisation efficiency of fish fed on diets in which poultry byproduct meal was the only animal protein source were higher (
P < 0.05) than with the other two protein sources. Since these results disagree with those of previous studies with other fish species, it was assumed that the low performances of fish on fish-meal and blood-meal diets were due to inadequate processing of the raw products. The inclusion of the dates and date pits did not influence the growth of the fish. A trend of increasing body-protein content and decreasing fat was observed in fish fed diets supplemented with date-pits meal. An estrogenic action of date pits was hypothesised as the direct cause of this phenomenon.</description><subject>Animal aquaculture</subject><subject>Animal productions</subject><subject>Biological and medical sciences</subject><subject>blood meal</subject><subject>date pits</subject><subject>dates</subject><subject>Food industries</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Oreochromis aureus</subject><subject>Pisciculture</subject><subject>poultry byproduct meal</subject><subject>Tilapia</subject><subject>Use and upgrading of agricultural and food by-products. Biotechnology</subject><subject>Vertebrate aquaculture</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNqFkcFLHTEQxoNY8NX6H3jIoYjvsDbZJJvNRRCxKghe2nOYl51oyrp5Jlmh4B_frE881tNkwu_7ZviGkGPOzjjj3Q9mOtb0qpWnplszxpRs1B5Z8V6LpjW62yerD-SAfM35T4UE1-2KvF69wDhDCXGi0dMBCmYK0_D2ottQapfpELBA-kvD9JCwNlP9DhMtYYRtAHpK7xNG95jiU6j8nHDO6zfRIvUeUxUugm2KBWvNcU4O8zfyxcOY8ei9HpLfP69-Xd40d_fXt5cXd40TRpVGC9QtwrBp-w0H6VwHRvfa8L7Xg3GIKKXyg2qdA69AcG-03wjOJesGBCYOycnOt85_njEXW_d0OI4wYZyz5Z0UrJP6c1D1UhqxOMod6FLMOaG32xSeakSWM7vcxC6B2yVwa2qz3MSqKvv-7g_ZwegTTC7kD20re83bBTvfYVhDeQmYbHY1dFejT-iKHWL4_5x_Tf6hxg</recordid><startdate>19960701</startdate><enddate>19960701</enddate><creator>Yousif, O.M.</creator><creator>Osman, M.F.</creator><creator>Alhadrami, G.A.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>F1W</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope></search><sort><creationdate>19960701</creationdate><title>Evaluation of dates and date pits as dietary ingredients in tilapia ( Oreochromis aureus) diets differing in protein sources</title><author>Yousif, O.M. ; Osman, M.F. ; Alhadrami, G.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c395t-73e72eadb28b1a4cc6a978791887d9ceee445fd52ccaf5a31f97fb311406dea03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Animal aquaculture</topic><topic>Animal productions</topic><topic>Biological and medical sciences</topic><topic>blood meal</topic><topic>date pits</topic><topic>dates</topic><topic>Food industries</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Oreochromis aureus</topic><topic>Pisciculture</topic><topic>poultry byproduct meal</topic><topic>Tilapia</topic><topic>Use and upgrading of agricultural and food by-products. Biotechnology</topic><topic>Vertebrate aquaculture</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yousif, O.M.</creatorcontrib><creatorcontrib>Osman, M.F.</creatorcontrib><creatorcontrib>Alhadrami, G.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yousif, O.M.</au><au>Osman, M.F.</au><au>Alhadrami, G.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of dates and date pits as dietary ingredients in tilapia ( Oreochromis aureus) diets differing in protein sources</atitle><jtitle>Bioresource technology</jtitle><date>1996-07-01</date><risdate>1996</risdate><volume>57</volume><issue>1</issue><spage>81</spage><epage>85</epage><pages>81-85</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>Seven isonitrogenous (40% crude protein) and isocaloric (18.6 kJ/g gross energy) diets were formulated to investigate the utilisation of dates and date pits as carbohydrate sources for tilapia fry (
Oreochromis aureus) and to evaluate the complete substitution of fish meal by poultry byproduct and blood meals. The growth and feed utilisation efficiency of fish fed on diets in which poultry byproduct meal was the only animal protein source were higher (
P < 0.05) than with the other two protein sources. Since these results disagree with those of previous studies with other fish species, it was assumed that the low performances of fish on fish-meal and blood-meal diets were due to inadequate processing of the raw products. The inclusion of the dates and date pits did not influence the growth of the fish. A trend of increasing body-protein content and decreasing fat was observed in fish fed diets supplemented with date-pits meal. An estrogenic action of date pits was hypothesised as the direct cause of this phenomenon.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/0960-8524(96)00054-5</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0960-8524 |
| ispartof | Bioresource technology, 1996-07, Vol.57 (1), p.81-85 |
| issn | 0960-8524 1873-2976 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16430647 |
| source | Elsevier ScienceDirect Journals |
| subjects | Animal aquaculture Animal productions Biological and medical sciences blood meal date pits dates Food industries Freshwater Fundamental and applied biological sciences. Psychology Oreochromis aureus Pisciculture poultry byproduct meal Tilapia Use and upgrading of agricultural and food by-products. Biotechnology Vertebrate aquaculture |
| title | Evaluation of dates and date pits as dietary ingredients in tilapia ( Oreochromis aureus) diets differing in protein sources |
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