Fatty acid profile and chemical composition of meat from Nellore steers finished on pasture with different amounts of supplementation

The use of supplements to feed grazing ruminants may improve the productivity and profitability of beef cattle productive systems. This study aimed to evaluate the effect of different supplementation amounts on the meat quality of Nellore steers finished on pasture. A total of 40 steers were maintai...

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Veröffentlicht in:Canadian journal of animal science 2021-09, Vol.101 (3), p.558-566
Hauptverfasser: Silva, Robério R., do Prado, Ivanor N., da Silva, Fabiano F., Rotta, Polyana P., Rodrigues, Laoan B.O., do Prado, Rodolpho M., de Carvalho Mesquita, Bruna M.A., Alba, Henry D.R., de Carvalho, Gleidson G.P.
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container_end_page 566
container_issue 3
container_start_page 558
container_title Canadian journal of animal science
container_volume 101
creator Silva, Robério R.
do Prado, Ivanor N.
da Silva, Fabiano F.
Rotta, Polyana P.
Rodrigues, Laoan B.O.
do Prado, Rodolpho M.
de Carvalho Mesquita, Bruna M.A.
Alba, Henry D.R.
de Carvalho, Gleidson G.P.
description The use of supplements to feed grazing ruminants may improve the productivity and profitability of beef cattle productive systems. This study aimed to evaluate the effect of different supplementation amounts on the meat quality of Nellore steers finished on pasture. A total of 40 steers were maintained on Brachiaria brizantha ‘Marandu’ pasture and finished on different concentrate supplementation amounts: 0%, 0.3%, 0.6%, and 0.9% of body weight (BW). There was no effect (P > 0.10) of supplementation on 14:0, 14:1 n-5, 15:0, 15:1 n-6, 16:1 n-10, 16:1 n-9, 16:1 n-7, 18:1 c-9, 18:1 t-9, 18:2 n-6, conjugated linoleic acid, 20:4 n-6, 22:0 and 22:5 n-3. However, the 17:1 n-10 decreased linearly (P < 0.01), whereas 18:0 increased linearly (P < 0.01) when supplementation was added. There was a quadratic effect (P < 0.10) for 16:0 and 18:1 t-11, as well as for 18:3 n-6. The total concentration of n-3 was linearly reduced, whereas the n-6/n-3 ratio was linearly increased. The use of concentrate supplements for Nellore steers finished on pasture, at amounts up to 0.9% of BW, does not improve the unsaturated fatty acids content. In contrast, the supplementation increases the content of saturated fatty acids in meat of steers.
doi_str_mv 10.1139/cjas-2020-0099
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This study aimed to evaluate the effect of different supplementation amounts on the meat quality of Nellore steers finished on pasture. A total of 40 steers were maintained on Brachiaria brizantha ‘Marandu’ pasture and finished on different concentrate supplementation amounts: 0%, 0.3%, 0.6%, and 0.9% of body weight (BW). There was no effect (P &gt; 0.10) of supplementation on 14:0, 14:1 n-5, 15:0, 15:1 n-6, 16:1 n-10, 16:1 n-9, 16:1 n-7, 18:1 c-9, 18:1 t-9, 18:2 n-6, conjugated linoleic acid, 20:4 n-6, 22:0 and 22:5 n-3. However, the 17:1 n-10 decreased linearly (P &lt; 0.01), whereas 18:0 increased linearly (P &lt; 0.01) when supplementation was added. There was a quadratic effect (P &lt; 0.10) for 16:0 and 18:1 t-11, as well as for 18:3 n-6. The total concentration of n-3 was linearly reduced, whereas the n-6/n-3 ratio was linearly increased. The use of concentrate supplements for Nellore steers finished on pasture, at amounts up to 0.9% of BW, does not improve the unsaturated fatty acids content. 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J. Anim. Sci</addtitle><description>The use of supplements to feed grazing ruminants may improve the productivity and profitability of beef cattle productive systems. This study aimed to evaluate the effect of different supplementation amounts on the meat quality of Nellore steers finished on pasture. A total of 40 steers were maintained on Brachiaria brizantha ‘Marandu’ pasture and finished on different concentrate supplementation amounts: 0%, 0.3%, 0.6%, and 0.9% of body weight (BW). There was no effect (P &gt; 0.10) of supplementation on 14:0, 14:1 n-5, 15:0, 15:1 n-6, 16:1 n-10, 16:1 n-9, 16:1 n-7, 18:1 c-9, 18:1 t-9, 18:2 n-6, conjugated linoleic acid, 20:4 n-6, 22:0 and 22:5 n-3. However, the 17:1 n-10 decreased linearly (P &lt; 0.01), whereas 18:0 increased linearly (P &lt; 0.01) when supplementation was added. There was a quadratic effect (P &lt; 0.10) for 16:0 and 18:1 t-11, as well as for 18:3 n-6. The total concentration of n-3 was linearly reduced, whereas the n-6/n-3 ratio was linearly increased. The use of concentrate supplements for Nellore steers finished on pasture, at amounts up to 0.9% of BW, does not improve the unsaturated fatty acids content. In contrast, the supplementation increases the content of saturated fatty acids in meat of steers.</description><subject>analyse de composantes principales</subject><subject>Analysis</subject><subject>Beef cattle</subject><subject>Body weight</subject><subject>Brachiaria brizantha</subject><subject>Chemical composition</subject><subject>cholesterol</subject><subject>cholestérol</subject><subject>Economics</subject><subject>fatty acid profile</subject><subject>Fatty acids</subject><subject>Linoleic acid</subject><subject>lipid</subject><subject>lipide</subject><subject>longissimus lumborum</subject><subject>Meat</subject><subject>Pasture</subject><subject>principal component analysis</subject><subject>profil d’acides gras</subject><subject>Profitability</subject><subject>Saturated fatty acids</subject><subject>Supplements</subject><subject>Unsaturated fatty acids</subject><issn>0008-3984</issn><issn>1918-1825</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqVktFL3TAUxoNssDvn656DexpYlzRNmz6KTCeIwjafw7npiTeXtqlJivMP8P82RWFeEMbIQ0jy-75zcvgI-czZMeei_Wa2EIuSlaxgrG33yIq3XBVclfIdWTHGVCFaVX0gH2Pc5mNTy2ZFHs8gpQcKxnV0Ct66HimMHTUbHJyBnho_TD665PxIvaUDQqI2-IFeYd_7gDQmxBCpdaOLG-xo5iaIac5P9y5taOesxYBjojD4eUxxsYnzNPU45FtYnD-R9xb6iAcv-z65Ofv--_RHcXl9fnF6clmsRVungoOoqrWVphSAwETFW1kaIRk0dSPXAnjJEU0HKIyCppMW66YGI60FroQR--TLs2_-6t2MMemtn8OYS-pSNqyqlFLtX-oWetRutD4FMIOLRp9kPyVUpcpMHb5Bmcnd6dfQ8RtQXt0yXj_iMvBd1687gswk_JNuYY5RX_z6-R_s1S770ogJPsaAVk_BDRAeNGd6iY9e4qOX-OglPllw9CxYO5_7_Bf-BKrrxfk</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Silva, Robério R.</creator><creator>do Prado, Ivanor N.</creator><creator>da Silva, Fabiano F.</creator><creator>Rotta, Polyana P.</creator><creator>Rodrigues, Laoan B.O.</creator><creator>do Prado, Rodolpho M.</creator><creator>de Carvalho Mesquita, Bruna M.A.</creator><creator>Alba, Henry D.R.</creator><creator>de Carvalho, Gleidson G.P.</creator><general>Canadian Science Publishing</general><general>NRC Research Press</general><general>Canadian Science Publishing NRC Research Press</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISN</scope><scope>ISR</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>20210901</creationdate><title>Fatty acid profile and chemical composition of meat from Nellore steers finished on pasture with different amounts of supplementation</title><author>Silva, Robério R. ; 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J. Anim. Sci</stitle><date>2021-09-01</date><risdate>2021</risdate><volume>101</volume><issue>3</issue><spage>558</spage><epage>566</epage><pages>558-566</pages><issn>0008-3984</issn><eissn>1918-1825</eissn><abstract>The use of supplements to feed grazing ruminants may improve the productivity and profitability of beef cattle productive systems. This study aimed to evaluate the effect of different supplementation amounts on the meat quality of Nellore steers finished on pasture. A total of 40 steers were maintained on Brachiaria brizantha ‘Marandu’ pasture and finished on different concentrate supplementation amounts: 0%, 0.3%, 0.6%, and 0.9% of body weight (BW). There was no effect (P &gt; 0.10) of supplementation on 14:0, 14:1 n-5, 15:0, 15:1 n-6, 16:1 n-10, 16:1 n-9, 16:1 n-7, 18:1 c-9, 18:1 t-9, 18:2 n-6, conjugated linoleic acid, 20:4 n-6, 22:0 and 22:5 n-3. However, the 17:1 n-10 decreased linearly (P &lt; 0.01), whereas 18:0 increased linearly (P &lt; 0.01) when supplementation was added. There was a quadratic effect (P &lt; 0.10) for 16:0 and 18:1 t-11, as well as for 18:3 n-6. The total concentration of n-3 was linearly reduced, whereas the n-6/n-3 ratio was linearly increased. The use of concentrate supplements for Nellore steers finished on pasture, at amounts up to 0.9% of BW, does not improve the unsaturated fatty acids content. In contrast, the supplementation increases the content of saturated fatty acids in meat of steers.</abstract><cop>Ottawa</cop><pub>Canadian Science Publishing</pub><doi>10.1139/cjas-2020-0099</doi><tpages>9</tpages></addata></record>
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identifier ISSN: 0008-3984
ispartof Canadian journal of animal science, 2021-09, Vol.101 (3), p.558-566
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source EZB-FREE-00999 freely available EZB journals
subjects analyse de composantes principales
Analysis
Beef cattle
Body weight
Brachiaria brizantha
Chemical composition
cholesterol
cholestérol
Economics
fatty acid profile
Fatty acids
Linoleic acid
lipid
lipide
longissimus lumborum
Meat
Pasture
principal component analysis
profil d’acides gras
Profitability
Saturated fatty acids
Supplements
Unsaturated fatty acids
title Fatty acid profile and chemical composition of meat from Nellore steers finished on pasture with different amounts of supplementation
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