Following last week’s notification that stallions on a premises in the UK had tested positive for Equine Viral Arteritis (EVA), BEVA and the Animal Health Trust (AHT) are advising vigilance and encouraging people to re-familiarise themselves, where necessary, with the possible presentations of the disease and routes of transmission.
- Whilst acute infection may present with clinical respiratory signs or abortion, signs may also be inapparent.
- The virus can be transmitted directly or indirectly via all bodily fluids
- The disease has the potential for subclinical respiratory transmission as well as the more commonly recognised venereal route of spread.
At this time of year, pre-breeding testing prior to AI or natural mating of all mares and stallions (including teasers) is vital. Both BEVA and the AHT are strongly encouraging testing amongst all groups, especially in breeds or on yards where it has not previously been common practice.
It should also be remembered that importing breeding animals from countries endemic with EVA, including mainland Europe, carries a large risk of also importing EVA. Breeding mares and stallions should be tested for EVA within 28 days before travel and testing should be repeated at least 14 days after arrival and prior to commencing natural mating or AI.
Further information in the disease can be obtained from HBLB Codes of Practice https://codes.hblb.org.uk/index.php/page/53
No new information has yet been released regarding the current outbreak
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