Tirsvad Genetics
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 2023
Søren Ernst Madsen, Tirsvad Genetics: ‘Female Animals are Still the Strength of Individual Breeders.’
Working fruitfully together with AIs. This quality, besides his strong entrepreneurial spirit, rich ET experiences and pure passion for elite breeding, makes Tirsvad Genetics owner Ernst Madsen one of the...