Effects of dietary soybean lecithin on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus)
An eleven weeks feeding trial was conducted to determine the effects of different levels of dietary soybean lecithin (SBL) on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus). Fish were fed seven isoproteic (44% crude protein) and isolipidic (17% c...
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| description | An eleven weeks feeding trial was conducted to determine the effects of different levels of dietary soybean lecithin (SBL) on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus). Fish were fed seven isoproteic (44% crude protein) and isolipidic (17% crude fat) diets containing graded levels of SBL: 0 (control), 1, 2, 4, 6, 8 and 10%. Results showed that dietary SBL supplementation significantly improved the final body weight (BW) and weight gain (WG). Fish fed 6% SBL showed the highest BW and WG values in comparison to fish fed the control diet (P < 0.05), whereas increasing SBL levels above 6% had little practical benefit in terms of somatic growth performance. The inclusion of SBL in diets significantly improved the immune response as data from lysozyme, total Ig levels, alternative complement, phagocytic and bactericidal activities indicated (P 4%, >2% and 2% SBL, respectively (P |
| doi_str_mv | 10.1016/j.fsi.2018.06.023 |
| format | Article |
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•Fish fed 6% SBL showed highest BW and WG values compared to fish fed control diet.•Highest phagocytic, lysozyme, ACH50/bacterial activities and Ig levels were found at 3.3, 4.1–4.2 and 6.9% SBL.•SBL levels between 3.3 and 6.9% may be used as a prophylactic measure to improve the health status in stellate sturgeon.•Based on growth, blood chemistry and immunity parameters, diet with 6% SBL is recommended for juvenile stellate sturgeon.</description><identifier>ISSN: 1050-4648</identifier><identifier>EISSN: 1095-9947</identifier><identifier>DOI: 10.1016/j.fsi.2018.06.023</identifier><identifier>PMID: 29906622</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Acipenser stellatus ; Animals ; Blood biochemistry ; Complement Pathway, Alternative ; Diet - veterinary ; Fishes - blood ; Fishes - growth & development ; Fishes - immunology ; Glycine max ; Growth ; Hematologic Tests ; Immune response ; Immunoglobulins - blood ; Lecithins - administration & dosage ; Macrophages - immunology ; Muramidase - blood ; Phagocytosis ; Soybean lecithin</subject><ispartof>Fish & shellfish immunology, 2018-09, Vol.80, p.487-496</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright © 2018 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c396t-632bb50c02a6b838df3037cb58da32bce8469b974399af28644631bd40342dba3</citedby><cites>FETCH-LOGICAL-c396t-632bb50c02a6b838df3037cb58da32bce8469b974399af28644631bd40342dba3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1050464818303644$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29906622$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jafari, Fatemeh</creatorcontrib><creatorcontrib>Agh, Naser</creatorcontrib><creatorcontrib>Noori, Farzaneh</creatorcontrib><creatorcontrib>Tokmachi, Amir</creatorcontrib><creatorcontrib>Gisbert, Enric</creatorcontrib><title>Effects of dietary soybean lecithin on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus)</title><title>Fish & shellfish immunology</title><addtitle>Fish Shellfish Immunol</addtitle><description>An eleven weeks feeding trial was conducted to determine the effects of different levels of dietary soybean lecithin (SBL) on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus). Fish were fed seven isoproteic (44% crude protein) and isolipidic (17% crude fat) diets containing graded levels of SBL: 0 (control), 1, 2, 4, 6, 8 and 10%. Results showed that dietary SBL supplementation significantly improved the final body weight (BW) and weight gain (WG). Fish fed 6% SBL showed the highest BW and WG values in comparison to fish fed the control diet (P < 0.05), whereas increasing SBL levels above 6% had little practical benefit in terms of somatic growth performance. The inclusion of SBL in diets significantly improved the immune response as data from lysozyme, total Ig levels, alternative complement, phagocytic and bactericidal activities indicated (P < 0.05). The broken-line regression analysis of immunological variable revealed that depending on the parameter considered, the optimal SBL levels in diets for stellate sturgeon juveniles varied. In particular, dietary SBL levels requirements in stellate sturgeon when considering the phagocytic activity rate were determined at 3.3%, whereas 4.1–4.2% were recommended when considering data from lysozyme, alternative complement and bactericidal activities. In contrast, the highest minimum dietary SBL content was estimated at 6.9% when data from total Ig levels were considered. These results indicated that dietary PLs are required for boosting innate immunity in stellate sturgeon, although their minimal level changed depending on the immunological parameter considered. Therefore, we assume that SBL levels comprised between 3.3 and 6.9% may be used as a prophylactic measure to improve the health status in stellate sturgeon. Red blood cell count, hemoglobin and hematocrit levels increased with increasing dietary SBL levels, especially in those sturgeons fed the diet with 6% SBL (P < 0.05). In addition, white blood cell counts significantly increased as dietary SBL levels increased from 4 to 8% in comparison to the control group. Blood biochemistry was also affected by different dietary SBL levels. In particular, significantly higher levels of glucose, cholesterol, HDL and triglycerides were detected in fish fed >6%, >4%, >2% and 2% SBL, respectively (P < 0.05). Based on somatic growth parameters, blood chemistry and systemic immunity parameters, diets containing ca. 6% SBL are recommended for juvenile stellate sturgeon.
•Fish fed 6% SBL showed highest BW and WG values compared to fish fed control diet.•Highest phagocytic, lysozyme, ACH50/bacterial activities and Ig levels were found at 3.3, 4.1–4.2 and 6.9% SBL.•SBL levels between 3.3 and 6.9% may be used as a prophylactic measure to improve the health status in stellate sturgeon.•Based on growth, blood chemistry and immunity parameters, diet with 6% SBL is recommended for juvenile stellate sturgeon.</description><subject>Acipenser stellatus</subject><subject>Animals</subject><subject>Blood biochemistry</subject><subject>Complement Pathway, Alternative</subject><subject>Diet - veterinary</subject><subject>Fishes - blood</subject><subject>Fishes - growth & development</subject><subject>Fishes - immunology</subject><subject>Glycine max</subject><subject>Growth</subject><subject>Hematologic Tests</subject><subject>Immune response</subject><subject>Immunoglobulins - blood</subject><subject>Lecithins - administration & dosage</subject><subject>Macrophages - immunology</subject><subject>Muramidase - blood</subject><subject>Phagocytosis</subject><subject>Soybean lecithin</subject><issn>1050-4648</issn><issn>1095-9947</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kc1u1DAUhS1ERcvAA7BBXrYSCTd24onFqqoKVKrEBtaWf246HiXxYDtF8wy8dB1Ny5KVr3TPOfI9HyEfGqgbaMTnfT0kXzNo-hpEDYy_IhcNyK6Sst2-XucOqla0_Tl5m9IeAAQX8IacMylBCMYuyN_bYUCbEw0DdR6zjkeawtGgnumI1uedn2mY6UMMf_KOHjAOIU56tviJmjEER-0OJ59y8enZUT9Ny-zzkRbbfnnE2Y9IU8Zx1HkdlviAJe7y2voDzgnjy3JJV-_I2aDHhO-f3w359fX258336v7Ht7ub6_vKcilyJTgzpgMLTAvT894NHPjWmq53uqws9q2QRm5bLqUeWC_aVvDGuBZ4y5zRfEMuT7mHGH4vmLIqB9j1FzOGJSkGneCy25aEDWlOUhtDShEHdYh-KiWpBtTKQO1VYaBWBgqEKgyK5-Nz_GImdP8cL6UXwZeTAMuRjx6jStZjqdT5WFgoF_x_4p8ArO6Z9Q</recordid><startdate>201809</startdate><enddate>201809</enddate><creator>Jafari, Fatemeh</creator><creator>Agh, Naser</creator><creator>Noori, Farzaneh</creator><creator>Tokmachi, Amir</creator><creator>Gisbert, Enric</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201809</creationdate><title>Effects of dietary soybean lecithin on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus)</title><author>Jafari, Fatemeh ; Agh, Naser ; Noori, Farzaneh ; Tokmachi, Amir ; Gisbert, Enric</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c396t-632bb50c02a6b838df3037cb58da32bce8469b974399af28644631bd40342dba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Acipenser stellatus</topic><topic>Animals</topic><topic>Blood biochemistry</topic><topic>Complement Pathway, Alternative</topic><topic>Diet - veterinary</topic><topic>Fishes - blood</topic><topic>Fishes - growth & development</topic><topic>Fishes - immunology</topic><topic>Glycine max</topic><topic>Growth</topic><topic>Hematologic Tests</topic><topic>Immune response</topic><topic>Immunoglobulins - blood</topic><topic>Lecithins - administration & dosage</topic><topic>Macrophages - immunology</topic><topic>Muramidase - blood</topic><topic>Phagocytosis</topic><topic>Soybean lecithin</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jafari, Fatemeh</creatorcontrib><creatorcontrib>Agh, Naser</creatorcontrib><creatorcontrib>Noori, Farzaneh</creatorcontrib><creatorcontrib>Tokmachi, Amir</creatorcontrib><creatorcontrib>Gisbert, Enric</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Fish & shellfish immunology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jafari, Fatemeh</au><au>Agh, Naser</au><au>Noori, Farzaneh</au><au>Tokmachi, Amir</au><au>Gisbert, Enric</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of dietary soybean lecithin on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus)</atitle><jtitle>Fish & shellfish immunology</jtitle><addtitle>Fish Shellfish Immunol</addtitle><date>2018-09</date><risdate>2018</risdate><volume>80</volume><spage>487</spage><epage>496</epage><pages>487-496</pages><issn>1050-4648</issn><eissn>1095-9947</eissn><abstract>An eleven weeks feeding trial was conducted to determine the effects of different levels of dietary soybean lecithin (SBL) on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus). Fish were fed seven isoproteic (44% crude protein) and isolipidic (17% crude fat) diets containing graded levels of SBL: 0 (control), 1, 2, 4, 6, 8 and 10%. Results showed that dietary SBL supplementation significantly improved the final body weight (BW) and weight gain (WG). Fish fed 6% SBL showed the highest BW and WG values in comparison to fish fed the control diet (P < 0.05), whereas increasing SBL levels above 6% had little practical benefit in terms of somatic growth performance. The inclusion of SBL in diets significantly improved the immune response as data from lysozyme, total Ig levels, alternative complement, phagocytic and bactericidal activities indicated (P < 0.05). The broken-line regression analysis of immunological variable revealed that depending on the parameter considered, the optimal SBL levels in diets for stellate sturgeon juveniles varied. In particular, dietary SBL levels requirements in stellate sturgeon when considering the phagocytic activity rate were determined at 3.3%, whereas 4.1–4.2% were recommended when considering data from lysozyme, alternative complement and bactericidal activities. In contrast, the highest minimum dietary SBL content was estimated at 6.9% when data from total Ig levels were considered. These results indicated that dietary PLs are required for boosting innate immunity in stellate sturgeon, although their minimal level changed depending on the immunological parameter considered. Therefore, we assume that SBL levels comprised between 3.3 and 6.9% may be used as a prophylactic measure to improve the health status in stellate sturgeon. Red blood cell count, hemoglobin and hematocrit levels increased with increasing dietary SBL levels, especially in those sturgeons fed the diet with 6% SBL (P < 0.05). In addition, white blood cell counts significantly increased as dietary SBL levels increased from 4 to 8% in comparison to the control group. Blood biochemistry was also affected by different dietary SBL levels. In particular, significantly higher levels of glucose, cholesterol, HDL and triglycerides were detected in fish fed >6%, >4%, >2% and 2% SBL, respectively (P < 0.05). Based on somatic growth parameters, blood chemistry and systemic immunity parameters, diets containing ca. 6% SBL are recommended for juvenile stellate sturgeon.
•Fish fed 6% SBL showed highest BW and WG values compared to fish fed control diet.•Highest phagocytic, lysozyme, ACH50/bacterial activities and Ig levels were found at 3.3, 4.1–4.2 and 6.9% SBL.•SBL levels between 3.3 and 6.9% may be used as a prophylactic measure to improve the health status in stellate sturgeon.•Based on growth, blood chemistry and immunity parameters, diet with 6% SBL is recommended for juvenile stellate sturgeon.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>29906622</pmid><doi>10.1016/j.fsi.2018.06.023</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Acipenser stellatus Animals Blood biochemistry Complement Pathway, Alternative Diet - veterinary Fishes - blood Fishes - growth & development Fishes - immunology Glycine max Growth Hematologic Tests Immune response Immunoglobulins - blood Lecithins - administration & dosage Macrophages - immunology Muramidase - blood Phagocytosis Soybean lecithin |
| title | Effects of dietary soybean lecithin on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus) |
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