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| Sarmento,José Lindenberg Rocha; Torres,Robledo de Almeida; Sousa,Wandrick Hauss de; Albuquerque,Lucia Galvão de; Lôbo,Raimundo Nonato Braga; Sousa,José Ernandes Rufino de. |
| Polynomial functions of age of different orders were evaluated in the modeling of the average growth trajectory in Santa Ines sheep in random regression models. Initially, the analyses were performed not considering the animal effect. Subsequently, the random regression analyses were performed including the random effects of the animal and its mother (genetic and permanent environment). The linear fit was lower, and the other orders were similar until near 100 days of age. The cubic function provided the closest fit of the observed averages, mainly at the end of the curve. Orders superior to this one tended to present incoherent behavior with the observed weights. The estimated direct heritabilities, considering the linear fit, were higher to those... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal model; Breeding values; Fixed regression; Hairless sheep; Heritability; Polynomial functions. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000200012 |
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