Home Contagious Equine Metritis Contagious Equine Metritis Vets slam government plans to downgrade equine diseases Government proposals to "denotify" 2 contagious equine diseases have angered vets CEM outbreak in Buckinghamshire A Buckinghamshire yard is in quarantine after one of its horses was found to have the disease contagious equine metritis (CEM) New codes of practice launched after CEM outbreak in America Mares imported into Britain from North America should now be classified as “high risk” among breeders under new advice issued by the Horserace Betting Levy Board Source of American CEM outbreak could be identified Thirty-nine states are now testing for contagious equine metritis British horse breeders warned of potential for CEM outbreak Breeders are being warned that Britain is ripe for an outbreak of contagious equine metritis like the one currently sweeping America Equine venereal disease scare spreads to 28 American states Around 140 American horses are in quarantine and another 250 sought by the department of agriculture in an outbreak of infectious equine veneral disease CEM CEM outbreak at American stud farm Four horses at an American stud farm have tested positive for the venereal disease contagious equine metritis (CEM) Stallion tests positive for CEMO A stallion in quarantine in Newmarket has tested positive for Contagious Equine Metritis (CEMO) CEM mare found in Somerset A mare in Oxfordshire has tested positive to the notifiable disease contagious equine metritis