Multi-breed genetic evaluation of beef bulls used in dairy herds – Emphasis on newest development
Abstract
Since 2018, Nordic Cattle Genetic Evaluation (NAV) routinely estimates across breed breeding values for beef sires based on data from their offspring when used on dairy cows and since 2019, the Nordic farmers have access to the Nordic Beef × Dairy overall economic Index (NBDI). To fulfill requests expressed by the industry, the NAV Beef × Dairy evaluation traits portfolio has recently been expanded to include two new trait groups, youngstock survival and gestation length. The aim of this paper is to describe the current Nordic routine evaluation for beef bulls used on dairy cows with focus on the recent developments.
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2023-12-13
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