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The current Nr.1 progeny proven sire of Germany (Topstone) and the former Nr.1 Red Holstein sires in the world (Rubels-Red, Ranger-Red) have various similarities. All three have the combination of Rubicon-Aikman in their...

In this fast paced world of modern genomic breeding it is amazing just how much influence one cow can create in just 5 years. The combination of prolific embryo production and elite transmitting ability for type, product...

‘The science tells us that these old measures of inbreeding need to be updated with modern tools and better education.’ Jeff Ziegler speaks openly about current themes in Holstein breeding and developments at Select Sire...

Holstein International readers regularly contact us with requests or observations. Below is a request for us to look at the topic of missing performance data on bull dams, a comment we often hear from the field.

Insiders will never forget her name: Tri-Day Ashlyn EX-96, winner in both Madison and Toronto in 2001, and World Champion 2001. Likely her most powerful contribution: more than 70 EX daughters! HI recently met one of the...

Last year (4/2021), HI published an interview with the passionate American Holstein breeder Casey Jones. That interview was a direct reason for HI to pay a visit to the dairy enterprise owned by the Jones family in the n...

‘He has exceptional traits that make him very attractive to people who are interested in Red Holstein genetics,’ says Genex staff member Abby Van de Ven about the fascinating young Red Holstein sire Koepon Hilbert-Red. W...

A balanced type profile with moderate stature, nice udders, good components and outstanding mastitis resistance… there is a lot to like about this red Apprentice son from the heart of the Apple family. Crown-Red was bred...

Today every Red Holstein or RC bull without an intensive link to Kamps-Hollow Altitude or one of her famous descendants, is embraced as an outcross sire. That is how tremendous the Altitude influence is in the internatio...

In the past, high milk sires always had the best chances to achieve high overall breeding values. However, the introduction of many further traits has given even average production sires good chances to achieve high over...

Two new EX-97 Red Holsteins (Anita Absolute Joline-Red & Highcroft Absolute Lily-Red) as well as six EX-96 Holsteins were recorded by the US herdbook in 2022. One of the most distinguished names in this illustrious group...

Almost exactly twelve years ago, Miss OCD Delicious was born and today the former Nr.1 of the breed still scores an impressive 2645 gTPI. For more than a decade now Delicious has been a constant when it comes to high gen...

With 30 milking cows, De Winkels Holsteins, owned by Henk Jan van Driel, is not large. Nevertheless, the achievements are noteworthy. During the last classification visit, three two-year-olds scored VG-88 and one even VG...

In February, HI will present the winners. Also read in HI’s February edition about which participants in the four preliminary rounds of the Global Challenge submitted the best rationale for sire selection. These choices...

One of the prime sources of forage for dairy cows around the globe is corn (maize), providing both high fibre and energy for the diet. One of corn’s many advantages is the volume of feed that can be grown from limited av...