The research, published in the Journal of Dairy Science, included records from 39,249 Holstein cows in 10 dairy herds in the Northeast and Midwest that had calves with known Holstein or beef breed ...

The record for most lifetime milk produced by a registered Holstein cow has been broken once again in 2023. This time by Nor-Bert Colby Connie, a 14-year-old Holstein owned by Nor-Bert Farm in ...