Making your Bull semen 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

The policy at Mastergen is to always provide the best quality genetics at the best value prices. Our average straw prices for dairy and beef bull semen are among the lowest in the UK but the genetic merit of the bulls we sell are among the highest!

With a portfolio of bulls to suit all breeders and all budgets, an expert team of breeding advisor’s all previously from Dairy Daughters and a state of the art website designed in-house specifically to make bull semen selection easier, you need look no further than Mastergen.

Our latest news


Tuesday 24th August 2021

Thank you for registering your interest in our mailings. If you have updated your address please email us at hello@mastergen.com so we can check and update your records. Alternatively, please call the office on 01823 430317   VIEW THE LATEST BROCHURE HERE    

Anna Barnett
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Thursday 19th August 2021

We are pleased to offer dates for our next AI Course and AI refresher course   Dates: Weds 6th – Friday 8th October 2021 Venue: Evolution Farm Vets Seminar Room, Inwood Farm, Nether Stowey, TA5 1HY with practical hands on experience at one of our nearby farms. If you are interested in this course please…

Anna Barnett
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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.

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