Mixed-effects growth curves in the valuation of Nellore sires Curvas de crescimento de efeitos mistos na avaliação de touros Nelore
Cattle breeding programmes need objective criteria in order to evaluate and subsequently improve production systems. This work uses a logistic growth curve model for evaluating sires based on their progeny weight measured repeatedly over time. The parameters of the curve are described as a linear fu...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Universidade de São Paulo
2009-02-01
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Series: | Scientia Agricola |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162009000100012 |