Crossbreeding of Holstein cows improves fertility without detriment to milk production

Genetic selection programs in the United States and elsewhere have emphasized milk production at the expense of other traits. Attention has turned to improving these neglected traits for better overall well-being of cows and to ameliorate dairy producers’ profitability. In a recent article appearing in the Journal of Dairy Science, scientists from the University of Minnesota examined the effects of crossbreeding on fertility and milk production across three generations in a large sample of Holstein and crossbred cows.