Genetic parameters estimates for weight gains of Santa Inês sheep using two-trait model.
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The growth speed evaluation in meat animals it is fundamental to check the efficiency production. This growth speed can be evaluated by taking into account weight gain in life stages of animals. These gains, expressed in kg/day or g/day reflect the animals’ productive performance, being of great importance in genetic improvement programmes for selection and genetic evaluation of animals. The genetic parameters provide important information and are necessary to predict direct and correlated answers, assisting in the choice of more appropriate selection methods.
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Raça Santa Inês, Modelo animal, Correlação genética, Herdabilidade, Ovino, Genética animal, Ganho de peso, Sheep, Animal models, Genetic correlation, Heritability, Weight gain