Article
Genetic relationships between body condition score and reproduction traits in Canadian Holstein and Ayrshire first-parity cows.
Journal of dairy science - 1 May 2010
Bastin C, Loker S, Gengler N, Sewalem A, Miglior F
Abstract excerpt
The objective of this study was to investigate the genetic relationship between body condition score (BCS) and reproduction traits for first-parity Canadian Ayrshire and Holstein cows. Body condition scores were collected by field staff several times over the lactation in herds from Québec, and reproduction records (including both fertility and calving traits) were extracted from the official database used for...
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