The Morlais herd, except for a few breeding bulls has been a closed herd for over twenty years. It has never had a TB breakdown.
Parasites are dealt with as necessary with minimal use of drugs. There are no known health problems in the herd at present. It is accredited free of BVD and vacinated for BVD. Herd accredited free of Johnes Disease Risk level 1. It is also free of IBR and Leptospirosis.
The Morlais is a long standing member of the Welsh Black Cattle Health Scheme in conjunction with the Scottish agricultural colleges.