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

DEFRA Approved AI Course 26th – 28th April 2023

Monday 3rd April 2023

DEFRA Approved AI Course 26th – 28th April 2023     Dates: 26th – 28th April 2023 Venue: Colliton Barton, Broadhembury, Honiton, Devon EX14 3LJ If you are interested in this course please click on the link below. https://www.evolutionfarmvets.co.uk/ai-dairy-cow-artificial-insemination… Cost: £520 + VAT including all facilities, refreshments and lunch;  £150+ VAT non-returnable deposit required to…

Anna Barnett
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Wednesday 11th January 2023

NEW GENERATION GENETICS LEADS THE WAY FOLLOWING DECEMBER 2022 SIRE SUMMARIES! December 2022 Sire Summaries have New Generation bulls at the top of lists all over the world!  For example, the Top 3 Proven bulls for Type call NGG home. Today’s Proven Highlights! 54BS583 DOBOY continues to create quite a stir. Doboy again went up…

Anna Barnett
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Any Questions?

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