Relationship between primiparas first 100-days lactation and their lifetime milk production in Polish Holstein-Friesian Cattle

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...

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Bibliographic Details
Main Authors: Beata SITKOWSKA, DARIUSZ Piwczyński, Zbigniew Lach, Magdalena KOLENDA
Format: Article
Language:Bulgarian
Published: University of Zagreb, Faculty of Agriculture 2015-09-01
Series:Journal of Central European Agriculture
Subjects:
Online Access:http://jcea.agr.hr/articles/774191_Relationship_between_primiparas_first_100_days_lactation_and_their_lifetime_milk_production_in_Polish_Holstein_Friesian_Cattle_en.pdf