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Registro Completo |
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
20/02/2015 |
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Data da última atualização: |
09/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
JUCÁ, A. de F.; FAVERI, J. A C.; MELO FILHO, G. M.; RIBEIRO FILHO, A. de L.; AZEVEDO, H. C.; MUNIZ, E. N.; PINTO, L. F. B. |
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Afiliação: |
ADRIANA DE FARIAS JUCÁ, Universidade Federal da Bahia; JULIANA CANTOS FAVERI, Universidade Federal da Bahia; GERALDO MAGALHÃES MELO FILHO, Universidade Federal da Bahia; ANTÔNIO DE LISBOA RIBEIRO FILHO, Universidade Federal da Bahia; HYMERSON COSTA AZEVEDO, CPATC; EVANDRO NEVES MUNIZ, CPATC; LUÍS FERNANDO BATISTA PINTO, Universidade Federal da Bahia. |
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Título: |
Performance of the Santa Ines breed raised on pasture in semiarid tropical regions and factors that explain trait variation. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Tropical Animal Health and Production, v.46, December, 2014. |
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ISSN: |
0049-4747 |
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DOI: |
10.1007/s11250-014-0635 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to evaluate sex, the number of lambs per birth, and the family effects on production traits in the Santa Ines breed of sheep by estimating the least square means and coefficient of variance for those traits. A total of 484 lambs were evaluated for the following traits: weight at birth, at weaning, and at 240 days of age; weight gain during the pre-weaning and post-weaning periods; height, width, and length of different body regions; and rib eye area and fat thickness be-tween the 12th and 13th ribs. We observed coefficients of variation higher than 10 % for several traits. Generally, males were larger than females (P<0.05), while lambs from single and double birth s were larger than lambs from triple births (P <0.05). Family effect was significant (P<0.05) for most traits and explained the highest percentage of residual variance. The results showed good development of Santa Ines sheep, especially during the pre-weaning period but no in post-weaning. Our study also showed that there is an effect of sex, birth type, and family, which must be included in any statistical model for the estimation of least square means and residual variance in ANOVA. |
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Thesagro: |
Cordeiro. |
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Thesaurus Nal: |
Lambs; Morphometry; Ultrasonics; Weight. |
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Categoria do assunto: |
-- |
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Marc: |
null
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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