Jan de Vries

January 2024

Sires Report

BullTalk - January 2024

Nr.1: +4.99 gPTATSince the December release, the world has a new Nr.1 for PTAT: the Denmark bred SHG Lego is good for +4.99 gPTAT with 2356 gTPI and owned by...

August 2023

Sires Report

BullTalk - August 2023

Swissgenetics is marketing a polled sire with unique qualities: Vogue Hero-P. ‘He is extremely popular in Switzerland, because he is very all-round,’ tells Marc-Henri Guillaume from Swissgenetics, who points to...

April 2023

Sires Report

BullTalk - April 2023

The accompanying table shows the top selling sires at ABS Global in China. Gary Gao from ABS China explains: ‘From all three, more than 30,000 doses (sexed and conventional) have...

March 2023

Management

(Virtually) Faultless Transmitters: Selected for You by Nearly All AI Companies World-wide

What is the value of a top bull with 3200 TPI if he transmits very short teats? What are the options for a sky high RZG sire if the stature...

February 2023

Sires Report

BullTalk - Febuary 2023

He has a remarkably high conformation index (146) in the DNA tested top of Germany’s Red Holstein list: Feit-Red-P, a son of Freestyle-Red (<Gywer-RC) out of Solitair daughter HWH Ella...

January 2023

Sires Report

BullTalk - January 2023

As of late, the lineup of sires in the absolute top from AI Total has grown significantly; in that abundant offering, we turn our attention here to the young Wet...

April 2022

Sires Report

DG Charley Received Many Opportunities as a Sire of Sons and Used Them Optimally

One of the most notable transmitters from the beginning of the DNA revolution was undoubtedly Cogent Supershot. He made global news with his sky high TPI index and his high...

February 2022

Sires Report

BullTalk - February 2022

‘Dreambig has been quite popular since he became available, but now, eighteen months after starting, has had his bestselling month. To me, that means that dairy farmers see good conception...