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Different methods of sire evaluation and effects of calving season



Different methods of sire evaluation and effects of calving season



Revista Cubana de Reproduccion Animal 11(1): 67-80



1274 first-lactation 244-day milk yields of Holstein-Friesian heifers sired by 20 bulls, corrected to a fat percentage of 3.3, were analysed. Bulls were evaluated by means of the contemporary comparison, least-squares and Best Linear Unbiased Prediction methods. The calving season was defined in periods of 3, 4 or 6 months.

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Accession: 001336151

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