Select Sires
Intruiging Sires DP - August 2023
In June, Newhouse Sneeker 422 VG-87 (Stol Joc-O-Man) a second generation 100,000 kg/220,000 lb cow was discovered by HI’s Dutch language publication HIPlus as one of the most prominent sources...
Siemers Parfect: New Nr.3 on the Proven Sire Chart
Parfect has successfully made the jump to proven sire status. After a young sire career when he was never far from the limelight due to his very complete, no-holes proof,...
The Ambition at OCD: ‘Breeding an Elite Conformation Sire That is Also Very Suitable for Commercial Herds.’
The prefix is one of the best known in modern Holstein breeding: OCD. It is the source of one of the most influential Holstein cows in recent times (Miss OCD...
Intriguing Sires DNA - July 2023
With a 151 GZW, GS Dacapo is the first bull to break the 150-mark. He achieves this with enormous milk yield of +1319kg along with excellent fitness and a balanced...
A French sire is the darling of AI studs The big analysis of breeding for AI
No sire has put more sons into AI service internationally in recent years than O’Malley: every twentieth AI sire from the birth year 2019 onwards, worldwide, is a son of...
BullTalk - June 2023
‘It all started with the purchase of four Bolton embryos out of the American cow Sandy-Valley Gar Truffle EX-92, a daughter of the icon Ricecrest Terry Tory EX-93. Three heifer...
Intriguing Sires DNA - June 2023
Sheepster, now 23 months old, is the nr. 8 sire for gTPI. ‘We began using Sheepster for contract matings in August. He was our most heavily used mating sire in...
Polled Holstein Elite Global Overview of Current Female Polled Genetics
Globally, the breeding of polled Holsteins is coming to greater maturity. The supply of attractive P and PP sires is steadily increasing with more variety. The same is true for...
The “Golden Cross” Monterey Daughters of Global Cow Winner Hanker
There have been a number of recognized “Golden Crosses” in the breeding world…in this cow family it was Monterey over Cookiecutter Mogul Hanker and then King Doc over the Monterey’s....
Focus on... April 2023
While simultaneous improvement for production and fertility has been difficult to come by over the last decades, breeding has made the antagonism between these two traits a thing of the...
Intriguing Sires DNA - April 2023
‘What makes Cirrus-P so popular? He is super balanced and does not have any knock-out faults. And he descends from a very attractive cow family.’ Speaking is Jordan Siemers about...
(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...