Bernd Sommer

April 2024

Management

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

Cow Families

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...