JAN BIERMA

December 2021

Sires Report

EDG Rubicon: The World’s Highest Mogul Son Remains Popular

What follows is not only the story about the world’s highest Mogul son. It is also the story about his special dam and maternal line: Ruby and the Dellias. As...

December 2021

Sires Report

Simon-P: Vital Link Between his Unsurpassed Sire Semino and the Holstein Breed

On the right you see one of the most popular polled transmitters and sires of sons from Germany: Simon-P! Together with his sons Sampler-PP (left) and Signal-P (middle). In a...

October 2020

Cow Families

Farewell to a 12-year-old World Champion: Bopi Talent Lotanie-Red EX-95

Everything comes to an end. Also the life of a World Champion with a marvelous career. In the accompanying photograph is Bopi Talent Lotanie-Red, who in October 2018 at 10...

June 2020

Herd reports

Siemers Holsteins: The Unique Combination of Elite Indexes, Lifetime Productions, and Conformation

Just in 2019 alone, no less than 16 Holstein cows were able to pass the special milestone of 300,000 lb (136,360 kg) milk at Siemers Holsteins. A herd in which...

July 2019

Herd reports

Here is #6 of the most influential breeders of the past 25 years: Sandy-Valley!

Spectacular! We have not yet started with the top-5 of our competition and now already we come across real heavyweights… en route to the absolute Nr.1, which will be revealed...

June 2019

Cow Families

Esprit: In the European footsteps of her great-great-granddam!

Grand Champion of the Swiss Expo and Reserve Grand at the European Show in Libramont: Sunibelle Dempsey Esprit is one of the true superstars of the European show ring. Here...

September 2018

Herd reports

Lotanie - Red & White Symbol of a Swiss Breeding Herd that Exudes Quality

Pierre Oberson is a familiar face in Switzerland. Those who have visited the large shows in the land of the Alps, will certainly have seen this extremely focused French-speaking Swiss...

September 2017

Herd reports

Siemers Holsteins: Annually 75-100 Cows Surpassing 220,000lb/100,000kg

Undoubtedly you read about it in HI’s July issue: at Siemers Holsteins in Wisconsin, no less than 390 cows have passed the milestone of 100,000kg milk (220,462lb). As such, Siemers...