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Protecting Flocks and Profits: The Vital Role of HISHA in EAE Prevention

When it comes to sheep farming in the Highlands and Islands, flock health is important. That’s why theHighlands and Islands Sheep Health Association (HISHA)plays such a vital role—providing farmers withEAE-accredited sheepto ensure they can buytop-quality, disease-free replacementswith confidence.

What is EAE and Why Does it Matter?

Enzootic Abortion of Ewes (EAE)is theleading cause of abortion in sheep, and its impact on farm profitability is severe. EAE can trigger devastating“abortion storms”and widespreadlamb loss, often without any warning signs.

The disease isextremely difficult to control. A flock can become infected through apparently healthy replacement ewes. Once infected, these animals may abort the following spring—either a few weeks before lambing begins or by delivering weak, non-viable lambs. While these ewes may go on to lamb normally in future years, they remaincarriers of the disease, posing a risk to their own lambs and the wider flock.

The cost? At least £95 per ewe.EAE costs the UK sheep industry up to £20 million a year

The risk? Long-term infection and transmission.

The danger? EAE is also a human health hazard, especially for pregnant women.


Why Choose HISHA EAE-Accredited Replacements?

HISHA gives farmers peace of mind by offeringrigorously tested and accredited stock. Here’s what sets HISHA apart:

  • Annual Screening: All HISHA flocks are tested for EAE every year.
  • Post-Lambing Testing: Sheep are tested within three months after lambing.
  • Strict Biosecurity: Members follow robust protocols to prevent disease spread.
  • Vaccination-Ready: HISHA sheep are clean breeding replacements that can be vaccinated for added protection.

By sourcing HISHA-accredited replacements, farmers canprotect their flocks, safeguard their profits, and reduce the risk of EAE outbreaks.


Where to Buy HISHA Stock

You can find HISHA EAE-accredited sheep at:

  • Orkney
  • Dingwall
  • United Auctions
  • Aberdeen and Northern Marts

Or search for accredited flocks online at:


Don’t let EAE threaten your flock.
Choose HISHA-accredited replacements and invest in a healthier, more profitable future.


Posted by ֱ Veterinary Services on 05/08/2025

Tags: Sheep, Endemic Disease, Animal Welfare
Categories: Animal Welfare