Article
Genetic parameters for body weight and milk production of dairy Gyr herds.
Tropical animal health and production - 28 Jan 2022
Hortolani Bruna, Bernardes Priscila Arrigucci, Filho Aníbal Eugênio Vercesi, do Carmo Panetto João Cláudio, El Faro Lenira
Abstract excerpt
The aim of this study was to estimate genetic parameters for cow weight at calving (CW) and cumulative 305-day milk yield (MY305) in dairy Gyr cattle by two-trait analysis. The study used 1,847 CW records, in which 418 females presented more than one measure, and 4,048 MY305 records, wherein 1068 females provided repeated measures, from 2,339 females belonging to three herds, which calved between 1986 and 2019....
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