Maddox Dairy
April 2024
Fifty Years of ET and OPU/IVF: Large and Increasingly Broad Influence on the Holstein Breed
Fifty years ago, on March 12, 1974, the world’s first Holstein ET calf was born. This bull calf, named Rockalli Son of Bova, marks the starting shot of the enormous...
August 2021
Exclusive: The ultimate update about the herds worldwide with the most EX cows (2)
Noteworthy herds with dozens of EX Holsteins and a percentage of EX cows reaching to 70% were the focus of the first part of our analysis of the farms with...