Double W Ranger

December 2024

Sires Report

Unique View in the Barns of CRV: Four Generations of Popular Holstein Bulls

This special picture was taken by Han Hopman two months ago at the CRV AI facility in Giekerk (Friesland). Anyway, it is already exceptional to photograph four bulls together, but...

October 2023

Sires Report

BullTalk - October 2023

Earlier this year, tremendous applause followed the selection of Comestar Lamadona Doorman EX-94 as Canada’s Cow of the Year. As you know: genetic progress is being made very quickly and...

May 2023

Herd reports

Big Holsteins: Already 103 cows with over 100,000 kg/220,000 lb by Breeding for Persistency and Late Maturity

With 103 cows >100,000 kg/220,000 lb milk and 29 cows >10,000 kg/22,000 lb fat+protein, the farm of the Knoef family (Big Holsteins) in eastern Netherlands is a true model of...

July 2022

Management

The best type sires in the world and the requirement of them for wide use

The importance of conformation for the profitability of a cow is a recurring topic of discussion. But: a sire that wants to achieve a certain international popularity will not succeed...

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...