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Making your Bull selection easier...

Download our new spreadsheet and simply filter on the relevant trait columns.

Telephone your breeding adviser for assistance on 01823 430317


Our online personalised brochure service enables you to select bulls using a wide variety of traits, specific to your needs!

Download speeds will vary depending on your internet speeds - we recommend to download around 6 - 10 of your favourite bulls at a time.

Telephone your breeding adviser for assistance on 01823 430317

About Mastergen

Mastergen has been created to take advantage of the demand for the best value genetics through direct marketing and the exciting opportunities which genomics brings to the AI industry.

Our portfolio of Holstein bulls supplied to us by one of Europe’s largest farmer co-ops Masterrind, have been sourced from countries throughout Europe, North America, Canada and a large number from the UK. Our range includes Genomic, Proven and some interesting Polled bulls from some of the most exciting and elite cow families around the world.

Mastergen supply British Blues from the Twyning Ash herd, one of the most reliable sources in the UK. We also supply a unique range of Homozygous polled beef breeds including Simmental, Limousin and Charolais.

Our latest news

MASTERRIND April Sire Summary 2017

Friday 21st April 2017

If this newsletter is not properly displayed, please click here. Dear Sir or Madam, as follows please find newest information around MASTERRIND and its breeders and friends. MASTERRIND April Sire Summary 2017 Mona (S. Bangard) MASTERRIND had a very successful April 2017 Sire Summary and continues to offer numerous breed leaders, both proven and genomic, plus…

Joseph Cordy
Joseph Cordy
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Mastergen Have More Bulls In The Top 20 For Feet & Legs Than Any Other AI Company

Wednesday 19th April 2017

UK Dairy farmers need look no further than Mastergen for bulls guaranteed to improve locomotion and feet and legs. NO 1 – DARLINGO At Number 1 for Feet & Legs in the UK with +2.53 and Number 1 for Locomotion in the UK with +2.97 is the outstanding Doorman son DARLINGO. DARLINGO is the ONLY…

Joseph Cordy
Joseph Cordy
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Any Questions?

If you require more information about our products or services please leave your contact details here and we will get back to you.

Meet the team