JAN BIERMA

March 2024

Sires Report

BullTalk - March 2024

One of the brand new AI companies in North America is Showbox Sires. For distribution, they work with Select Sires and Semex, and the first four sires to be presented...

March 2024

Management

30 Years of Holstein International: 1994-2024 The Most Significant Breeding Changes and a Look at a Variety of Sires

Thirty years of HI, or in other words: 360 HI editions! Enormously fascinating to leaf through all 360 editions – and thus to conclude that global breeding has gone through...

February 2024

Sires Report

BullTalk - February 2024

As a young sire, AltaZazzle ranked high and was extremely popular. Very unfortunate then that after an accident, he had to be culled at 25 months of age. Fortunately before...

February 2024

Herd reports

Mauk-E-Way Holsteins Youthful Enthusiasm Leads to Rapid Breeding Progress

This report takes you along to the dairy farm of a young and ambitious couple with five children in the eastern part of the American state of Wisconsin. They have...

February 2024

Sires Report

Aurora Mitchell Progeny Proven Model of a Faultless and Stable Transmitter

A model of stability! Indeed, seven years after his birth, Aurora Mitchell continues to be the nearly faultless bull that his DNA indexes predicted at the time. Those who look...

January 2024

Herd reports

Well Considered Purchase in 1993 Leads to an Exceptional Family at Ferme Mystique

In some tie stall barns, it happens, you walk in the barn and you are impressed with the first cows, continue walking… and you continue to be impressed! Especially, if...

January 2024

Herd reports

How the Thusy Herd Became Even More Powerful… and More Black & White! Search for an Elite Cow from the Au Parchy Jolie Family was Successful

No, you can’t see it anymore. The bridge with the name “Pont-de-Thusy”. With the construction of a dam in 1948, this long and unique stone bridge disappeared entirely under water,...

January 2024

Sires Report

BullTalk - January 2024

Nr.1: +4.99 gPTATSince the December release, the world has a new Nr.1 for PTAT: the Denmark bred SHG Lego is good for +4.99 gPTAT with 2356 gTPI and owned by...

December 2023

Sires Report

Bulltalk - December 2023

With 159 gRZG, he is nr.4 on the German DNA list, but he has a fully American pedigree: Montague. A son of AltaZazzle son Progenesis Monteverdi (2960 gTPI) out of...

December 2023

Herd reports

Longevity and Top Productions at Koepke: ‘Good people, good feed, good bedding & good genetics.’

Do you still remember her: Koepke 1660, a.k.a. “Granny”? Twenty years ago, in 2003, she gained legendary status when she broke the American milk record for lifetime production. A record...

December 2023

Management

STg General Manager Juan Moreno:‘Our Industry Made a Significant Mistake!’

For most dairy farms, sexed semen has become an indispensable instrument in management. A driving force behind the global rise of sexed semen is Sexing Technologies. But: ST did not...

November 2023

Misc Breeds

GGI - Spermex: ‘The figures on paper coincide with the field.‘

GGI: ‘This show was very well attended. In additon, we had many guests from abroad. After the show, a group of Latin Americans also went to farms and AI facilities...