JAN BIERMA

January 2022

Sires

BullTalk - January 2022

‘During the past few years I have witnessed the Holstein breed becoming whiter. It is increasingly difficult to find a good bull that is 75% or more black. I manage...

January 2022

Cow Families

This is Most Likely the Highest Classified Polled Red Holstein Cow in the World

A beautiful drive through the mostly mountainous Pennsylvania – one of the ten American states with the most milking cows – brings us to the heart of the state, where...

January 2022

Management

Aumann and Hefner from BVN: ‘We Want to Preserve the Influence and Opportunities of Breeders Across the Board.’

One of the largest AI organizations in Europe can be found in the northern part of the German state of Bavaria: BVN. With more than 100 young Fleckvieh sires per...

December 2021

Sires

Simon-P: Vital Link Between his Unsurpassed Sire Semino and the Holstein Breed

On the right you see one of the most popular polled transmitters and sires of sons from Germany: Simon-P! Together with his sons Sampler-PP (left) and Signal-P (middle). In a...

December 2021

Sires

Bull Talk - December 2021

‘He is very popular due to his high components, A2A2, unique aAa (516), average stature, low somatic cell, high udder index and plus for DPR,’ explains general manager Ron Sersland...

December 2021

Sires

EDG Rubicon: The World’s Highest Mogul Son Remains Popular

What follows is not only the story about the world’s highest Mogul son. It is also the story about his special dam and maternal line: Ruby and the Dellias. As...

December 2021

Cow Families

Cow Country - December 2021

With Himeyers Brain, a brand new prefix appeared in the top of the Swiss sire line-up. The Letsgo son from Swissgenetics scores 1602 gIset, with high indexes for conformation and...

December 2021

Cow Families

Focus on their Background: Italy’s Champions, Two Special Breeding Stories

In early November, in the northern Italian city of Montichiari, Italy’s National Holstein Show took place. All results are included at the bottom of this page. Remarkable are the stories...