Dave Harvatine

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...

March 2022

Cow Families

Aurora Mitchell Outcross Bull Transmitting Wide Rumps, Super Udders and Ideal Leg Set

At 2828 TPI, Mitchell sits at Nr.13 on the proven sire TPI charts. His proof shows >1,000lb milk +.11%f +.04%p, while his 2.63 type makes him the highest type bull...

January 2022

Cow Families

Cow Country II - January 2022

Dulais Afterburner Amanda VG-86 is the Nr.40 index cow in the United Kingdom. Nev Roberts, her breeder, especially praises her pedigree. Via Dulais Pesky Amanda EX-93 (<Welcome Armitage Pesky), the...