Jetstream

September 2022

Management

10 Years of Peak: A Constantly Evolving Genetic Program

The prefix Peak is now a constant on sire ranking lists, not just in the US but other countries too. The number of studs that include bulls bred by Peak...

March 2022

Management

Unique HI Overview: These are the 92 Most Sold Holstein Sires at AI Companies Worldwide

Who were the most sold Holstein sires in 2021? The answer follows here, in a unique overview with 92 bestsellers from 38 breeding organizations in thirteen different countries. As well...

January 2022

Management

Beta-casein A2A2: Extensive Supply of Elite Holstein Sires is Guaranteed

Beta-casein. More and more AI companies are including this trait prominently in their sire presentations. Reason: following New Zealand, Australia and Asia, also in North America and Europe, there is...

December 2021

Sires

From An American Dairyman: Suggestions for Sire Selection

An American Dairyman continues his series of contributions for Holstein International and now brings some interesting suggestions for sire selection. He also adds some actual sire names to his suggestions...

November 2021

Sires

Focus on... November 2021

Good conformation heritability is still a trait that a large portion of dairy farmers pay attention to. Bulls that separate themselves from the rest of the population but also improve...