Relationship between primiparas first 100-days lactation and their lifetime milk production in Polish Holstein-Friesian Cattle Zależność między wynikami pierwszej 100-dniowej laktacji pierwiastek a wydajnością życiową w stadzie

Abstract

The aim of this study was to identify the relationship between the lifetime performance of cows and their performance during the first 100 days of lactation. The studied material consisted of breeding documentation for 2,347 Holstein-Friesian cows, that were used for milk production between 1995 and 2010, in the Pedigree Breeding Centre in Osięciny. Such… (More)

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