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Semen Order Form


Make sure we have all the correct details by using our online booking form

Pre Entry Health Testing


2-Stal cam pic2 (Small)

View every resident stallion live, and the yard, online now through our unique StalCAM CCTV system

Client Comments

This is the second year that I have brought a group of Breeding and Genetics students from South Staffordshire College to Twemlows for a visit. Once again the students had a very educational and fun morning and have already asked if they can visit again! Thank you so much for your time and effort :-) — Linda De Matteo

AI Equipment Sales


Twemlows Stud

  • arko
    The best in the world come to us…

    When you need to be sure your stallion is in safe hands, be reassured that the best stallions in the world come to Stallion AI Services. Our experience in equine breeding goes back to the beginning of AI in this country. Over 10,000 collections performed.

  • lab_noicon
    The latest technology awaits

    Our business is built on using the best technology and equipment available. Our laboratory offers the most advanced technology in the UK.

  • stallion_indoor
    World Class Facilities

    Our stallion barns are the best around. With specialised turn out paddocks and access to a horse walker, your stallion will keep in top condition with us.

Welcome to Stallion AI Services

Stallion AI Services has been successfully practising AI for over 18 years. The centre is owned and managed by Tullis Matson.

We have collected semen from over 600 stallions and carried out over 11,000 collections.

We boast the latest technology in our laboratory, which is envied and admired by breeders throughout the world and we offer a wide range of services including semen freezing and storage, fertility testing, fresh and chilled semen distribution, mare insemination centre, training courses and AI equipment.