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Russel II
Russel II is a fully approved AES stallion from the Holstein Stamm line 4232. He competed at the 2008 Olympic Games in Beijing as well as on numerous Nations Cup Teams, jumped on the 2006 World Championship team in Aachen and has won many classes including Puissance, Grand Prix and Six Bar.
Arko III
By the world famous Argentinus, out of Unika, Arko III was the Number 1 Showjumper in Europe in 2004, 2005 and 2006. His earnings to date are over £1,2M.
Ramiro B
Sire of Nations Cup Level Show Jumpers and 4* Eventers. One of the most popular eventing stallion in UK with over 100 mares in 2016 and he was also the first horse to have been made an ambassador with the BWP studbook due to his phenomenal breeding record.
Dollar du Murier
This stallion was a stalwart of the French team, winning the Team Gold Medal as well as Individual Silver at the World Equestrian Games in 2002. Together with his rider Eric Navet, they also represented France at the 2004 Olympic Games, were French Champions in the same year and were key members of the French team, which won the Samsung Super League in both 2003 and 2004.
Semen Order Form
Make sure we have all the correct details by using our online booking form
Pre Entry Health Testing
- AHT Submission Form
- Pre-entry health certificate
- EU only pre-entry certificate
- EU Guidance Notes
StalCAM
View every resident stallion live, and the yard, online now through our unique StalCAM CCTV system
Client Comments
I have sent several of my stallions to Stallion AI Services to have their semen frozen and I would like to say what a terrific hassle free experience it was. I would thoroughly recommend Tullis and the team to anyone who wishes to send their stallions away for semen freezing. The care and attention is second to none and I could even watch my precious boys on the web cam whilst at home 100 miles away – perfect. The technical support you get from Tullis is invaluable and I do apologise to him for ringing during the stud season just to pick his brains. – once again thanks so much.— Trudy Goulding
AI Equipment Sales
Twemlows Stud
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.