JAN BIERMA
Doorco Holsteins: ‘We Focus on Everything Necessary for a Long-Lasting, Profitable Cow.’
Seven times, Doorco Holsteins – located in northeastern Wisconsin – has been recognized as a “Herd of Excellence”. No less than 49x they received the “Progressive Breeders Registry”. In addition,...
Thanks to Renegade, the Man-O-Man Genes Are Entirely Current Once Again
With his nearly faultless transmitting profile, the American S-S-I PR Renegade is one of the most popular transmitters of the modern era. He is also a successful sire of sons,...
BullTalk - July 2024
Seven years ago he was born with a decidedly remarkable pedigree: a son of Livington, who himself was a son of Stellando son Malcolm. Also not widely known was his...
AI’s Recommend Their Own Favourites These Bulls Should Be Used More Often:
For decades already, sire selection primarily takes place via indexes. The number of bulls that are selected based on word of mouth reports, evaluating daughters, or in other ways, is...
55x in Delta-Lambda’s Pedigree The Enduring Impact of Chief Son S-W-D Valiant
The tremendous interest in Farnear Delta-Lambda requires no explanation – reason why HI started a trilogy about his pedigree. Part 1 (February) was about Melwood, who appears 11x in Lambda’s...
Modern, Large, Independent, and Purely Italian: Intermizoo Proudly Celebrates Its 50th Anniversary
It is not that long ago that Italy had various purely Italian AIs, every single one of them with sires that were being used world-wide. Elpzoo with Del Santo Corsaro...
BullTalk - June 2024
Genosource Captain – Nr.1 in the US, Canada, and Great Britain – is one of the heavyweights right now. One of his high sons that is widely available (both conventional...
Expo Bulle 2024 A Sampling of the Many Highlights
‘Even if you were to take the very last cow in each class, then you would still have a group of outstanding cows.’ Yes, there was unanimity in Bulle: the...
France’s Famous Conformation Herd La Coumière Continues to Harvest Success
One of the well-known prefixes in the national French show world is Coum: the prefix of the La Coumière dairy enterprise owned by the Varnier family in the northeastern part...
Bulltalk - May 2024
This Frenchman certainly deserves attention: Polibay from Synetics. He was already one of the leaders and bestsellers of his generation, according to Lea Poncet from Synetics, and is confirming these...
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...
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...