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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
15/07/2019 |
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Data da última atualização: |
07/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
VARGAS JUNIOR, F. M.; MARTINS, C. F.; FEIJO, G. L. D.; TEIXEIRA, A.; LEONARDO, A. P.; RICARDO, H. de A.; FERNANDES, A. R. M.; REIS, F. A. |
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Afiliação: |
FERNANDO MIRANDA VARGAS JUNIOR, Federal University of Grande Dourados (UFGD) - Dourados, MS, Brazil; CHARLES FERREIRA MARTINS, Federal University of Pelotas (UFPel) - Pelotas, RS, Brazil; GELSON LUIS DIAS FEIJO, CNPGC; ALFREDO TEIXEIRA, Instituto Politécnico de Bragança (IPB) - Escola Superior Agrária de Bragança, Campus de Santa Apolónia - Bragança, Portugal; ARIÁDNE PATRICIA LEONARDO, Federal University of Grande Dourados (UFGD) - Dourados, MS, Brazil; HÉLIO DE ALMEIDA RICARDO, Federal University of Grande Dourados (UFGD) - Dourados, MS, Brazil; ALEXANDRE RODRIGO MENDES FERNANDES, Federal University of Grande Dourados (UFGD) - Dourados, MS, Brazil; FERNANDO ALVARENGA REIS, CNPC. |
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Título: |
Evaluation of genotype on fatty acid profile and sensory of meat of indigenous Pantaneiro sheep and Texel or Santa Inês crossbred finished on feedlot. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Small Ruminant Research, v. 173, p. 17-22, Apr. 2019. |
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DOI: |
https://doi.org/10.1016/j.smallrumres.2019.02.003 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The genetic diversity of the local breeds can contribute to the maintenance of traits that are economically important to the genetic improvement of sheep. The objective of this study was to evaluate the effect of genotype and sex on the fatty acid profile, shear force, and sensory traits of the longissimus lumborum muscle of lambs. Ninety-six lambs with a weaning weight of 15.21 ± 1.25 kg were finished in feedlot until they reached the slaughter weight of 32 kg. Lambs Pantaneiro male (uncastrated) and female, Texel x Pantaneiro, and Santa Inês x Pantaneiro were used in a completely randomized 2 x 3 factorial design. Pantaneiro lambs had a higher proportion of C14:0 than Texel x Pantaneiro and Santa Inês x Pantaneiro, while Texel x Pantaneiro had a higher proportion of C18:3?6. Males had a higher proportion of polyunsaturated fatty acids (PUFA) and ?3. Generally, the meat from all lambs showed high proportion of unsaturated fatty acids (UFA). There was interaction between genotype and sex for C14:1 and C16:1. Santa Inês x Pantaneiro males had a higher proportion of C14:1than Pantaneiro females and Texel x Pantaneiro males and females. Pantaneiro males had a higher C16:1 than Texel x Pantaneiro males and females. The sex had an effect only for tenderness, with tender meat for females. Based on the fatty acid profile, the genotypes were discriminated with high accuracy, with 88.9%, 90.1% and 100% classified correctly for Pantaneiro, Santa Inês x Pantaneiro, and Texel x Pantaneiro, respectively. The use of Pantaneiro sheep for meat production provides the same fatty acids and sensory traits, and the crossbreeding shows a tendency to reduce the proportion of C14:0, C14:1, and C16:1, and to increase the proportion of C18:3?6, highlighting the Texel x Pantaneiro lambs. MenosAbstract: The genetic diversity of the local breeds can contribute to the maintenance of traits that are economically important to the genetic improvement of sheep. The objective of this study was to evaluate the effect of genotype and sex on the fatty acid profile, shear force, and sensory traits of the longissimus lumborum muscle of lambs. Ninety-six lambs with a weaning weight of 15.21 ± 1.25 kg were finished in feedlot until they reached the slaughter weight of 32 kg. Lambs Pantaneiro male (uncastrated) and female, Texel x Pantaneiro, and Santa Inês x Pantaneiro were used in a completely randomized 2 x 3 factorial design. Pantaneiro lambs had a higher proportion of C14:0 than Texel x Pantaneiro and Santa Inês x Pantaneiro, while Texel x Pantaneiro had a higher proportion of C18:3?6. Males had a higher proportion of polyunsaturated fatty acids (PUFA) and ?3. Generally, the meat from all lambs showed high proportion of unsaturated fatty acids (UFA). There was interaction between genotype and sex for C14:1 and C16:1. Santa Inês x Pantaneiro males had a higher proportion of C14:1than Pantaneiro females and Texel x Pantaneiro males and females. Pantaneiro males had a higher C16:1 than Texel x Pantaneiro males and females. The sex had an effect only for tenderness, with tender meat for females. Based on the fatty acid profile, the genotypes were discriminated with high accuracy, with 88.9%, 90.1% and 100% classified correctly for Pantaneiro, Santa Inês x Pantaneiro, and Texel ... Mostrar Tudo |
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Palavras-Chave: |
Análise discriminante; Ovino de corte; Ovinocultura de corte; Shear force. |
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Thesagro: |
Carne; Cordeiro; Qualidade. |
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Thesaurus Nal: |
Brazil; Discriminant analysis; Intramuscular fat; Lamb meat; Meat quality. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02917naa a2200361 a 4500
001 2110604
005 2019-11-07
008 2019 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.smallrumres.2019.02.003$2DOI
100 1 $aVARGAS JUNIOR, F. M.
245 $aEvaluation of genotype on fatty acid profile and sensory of meat of indigenous Pantaneiro sheep and Texel or Santa Inês crossbred finished on feedlot.$h[electronic resource]
260 $c2019
520 $aAbstract: The genetic diversity of the local breeds can contribute to the maintenance of traits that are economically important to the genetic improvement of sheep. The objective of this study was to evaluate the effect of genotype and sex on the fatty acid profile, shear force, and sensory traits of the longissimus lumborum muscle of lambs. Ninety-six lambs with a weaning weight of 15.21 ± 1.25 kg were finished in feedlot until they reached the slaughter weight of 32 kg. Lambs Pantaneiro male (uncastrated) and female, Texel x Pantaneiro, and Santa Inês x Pantaneiro were used in a completely randomized 2 x 3 factorial design. Pantaneiro lambs had a higher proportion of C14:0 than Texel x Pantaneiro and Santa Inês x Pantaneiro, while Texel x Pantaneiro had a higher proportion of C18:3?6. Males had a higher proportion of polyunsaturated fatty acids (PUFA) and ?3. Generally, the meat from all lambs showed high proportion of unsaturated fatty acids (UFA). There was interaction between genotype and sex for C14:1 and C16:1. Santa Inês x Pantaneiro males had a higher proportion of C14:1than Pantaneiro females and Texel x Pantaneiro males and females. Pantaneiro males had a higher C16:1 than Texel x Pantaneiro males and females. The sex had an effect only for tenderness, with tender meat for females. Based on the fatty acid profile, the genotypes were discriminated with high accuracy, with 88.9%, 90.1% and 100% classified correctly for Pantaneiro, Santa Inês x Pantaneiro, and Texel x Pantaneiro, respectively. The use of Pantaneiro sheep for meat production provides the same fatty acids and sensory traits, and the crossbreeding shows a tendency to reduce the proportion of C14:0, C14:1, and C16:1, and to increase the proportion of C18:3?6, highlighting the Texel x Pantaneiro lambs.
650 $aBrazil
650 $aDiscriminant analysis
650 $aIntramuscular fat
650 $aLamb meat
650 $aMeat quality
650 $aCarne
650 $aCordeiro
650 $aQualidade
653 $aAnálise discriminante
653 $aOvino de corte
653 $aOvinocultura de corte
653 $aShear force
700 1 $aMARTINS, C. F.
700 1 $aFEIJO, G. L. D.
700 1 $aTEIXEIRA, A.
700 1 $aLEONARDO, A. P.
700 1 $aRICARDO, H. de A.
700 1 $aFERNANDES, A. R. M.
700 1 $aREIS, F. A.
773 $tSmall Ruminant Research$gv. 173, p. 17-22, Apr. 2019.
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