| Registro completo |
| Provedor de dados: |
Genet. Mol. Biol.
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| País: |
Brazil
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| Título: |
QTL affecting body weight in a candidate region of cattle chromosome 5
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| Autores: |
Machado,Mariana B.B.
Alencar,Maurício M.
Pereira,Andréa P.
Oliveira,Henrique N.
Casas,Eduardo
Coutinho,Luis L.
Regitano,Luciana C.A.
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| Data: |
2003-01-01
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| Ano: |
2003
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| Palavras-chave: |
QTL
Growth traits
Microsatellite
Bovine
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| Resumo: |
The objective of this work was to identify QTLs for liveweight in a candidate region of bovine chromosome 5. Half-sib families from two lines, one traditional and the other new, of Canchim beef cattle (5/8 Charolais + 3/8 Zebu) were genotyped for four microsatellite markers, including the microsatellite in the IGF-1 (insulin-like growth factor-1) promoter region. Significant differences in allele distribution between the two lines were found for three markers. Interval mapping analyses in this region indicated the presence of a QTL controlling birth weight (p < 0.05) and of a QTL influencing breeding value for yearling weight (p < 0.01) in the newer line of the breed. The previously identified interaction between the IGF-1 genotype and genetic group strengthens the hypothesis of a linked QTL rather than an IGF-1 effect on growth traits in the Canchim cattle.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572003000300008
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| Editor: |
Sociedade Brasileira de Genética
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| Relação: |
10.1590/S1415-47572003000300008
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| Formato: |
text/html
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| Fonte: |
Genetics and Molecular Biology v.26 n.3 2003
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| Direitos: |
info:eu-repo/semantics/openAccess
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