Bernd Sommer
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...
December 2021
HI’s Cow Family Tournament: Here are the highest ranking, numbers 2 & 1!
In the HI issues of September, October, and November, the excitement continued to rise; in the meantime, you have become acquainted with numbers 3 through 10. Now follows the absolute...