The Thoroughbred Breeders’ Association (TBA) has issued a notice to breeders following confirmation of Equine Parapoxvirus cases in Ireland.
According to the TBA, Equine Parapoxvirus ulceration can resemble lesions associated with Equine Coital Exanthema (EHV-3), presenting as papules, blisters or ulcers affecting the external genitalia of both stallions and mares.
Historically, Equine Parapoxvirus has been associated with cases of pastern dermatitis in non-Thoroughbred horses in Finland and, more recently, Sweden. However, these recent Irish cases are believed to be the first linked to disease transmission through breeding activity.
As a precaution, breeders are being encouraged to closely monitor mares returning from, or originating in, Ireland for any signs of possible infection. Any suspicious lesions or crusts should be assessed by a veterinarian, who may submit samples to the Irish Equine Centre for PCR testing.
The virus is known to spread through direct contact between horses, as well as via contaminated equipment, instruments or surfaces. It is also considered zoonotic, meaning it can potentially be transmitted to humans. As a result, anyone handling affected horses or suspect lesions should ensure appropriate personal protective equipment (PPE) is worn.
The TBA advises breeders to follow the recommendations outlined in the Horserace Betting Levy Board (HBLB) International Codes of Practice for Equine Coital Exanthema, as these biosecurity measures are likely to be appropriate for managing Equine Parapoxvirus infections as well.
Animalweb encourages breeders, stud managers and veterinary professionals to remain vigilant and seek veterinary advice if they have any concerns about potential cases.
For further information, readers are advised to consult the notice issued by the Irish Equine Centre and the Irish Equine Veterinary Association.
