Bluetongue Reached Irish Sheep, and the Lamb Price Went Up

MeatBorsa's take

This section is our reading of the situation, not reported fact. The confirmed figures and their sources follow below.

On Monday 21 September, Ireland confirmed bluetongue in a sheep for the first time. In the same week, Irish lamb factories raised their prices. We do not think that is a contradiction. We think it tells buyers exactly how this disease works in the meat trade.

Bluetongue is a problem for live animals, not for meat. Irish officials state that meat is safe to eat and that there are no implications for meat exports to the EU, the UK or most other markets. So a buyer of Irish or British lamb carcasses should not expect a "disease discount". The market has already shown it: the first sheep case arrived and the price went up, not down.

Where we think the real effect sits is next year's supply. Sheep suffer far more from bluetongue than cattle. If the virus settles into Irish flocks the way it has in Britain, where most new cases now involve sheep, some ewes will die or lose lambs. That does not change what is in the chiller this autumn. It could change how many lambs come forward in spring and summer 2027.

For buyers, our practical reading is this. Autumn 2026 Irish lamb supply looks normal, with the kill level with last year, and we read the firmer price as ordinary seasonal demand rather than a disease effect. The risk to watch is later: a tighter 2027 lamb crop in both Ireland and Britain at the same time, which would remove two neighbouring sources of supply together. Anyone setting up longer-term lamb contracts from these two countries should factor that in now rather than after lambing.

What we assume, and why we could be wrong

• We assume the Irish outbreak stays small this season. The high-risk period for midges usually runs until November, so spread should slow soon. If mild weather keeps midges active for longer, sheep cases could build quickly, as they did in Britain.
• We assume buyers will not switch away from Irish or British lamb. Because meat is not affected, we see no reason for importers to substitute. If some buyers react to headlines anyway, there could be short-lived price pressure despite the facts.
• We assume farmers keep selling at a normal pace. Some may sell lambs earlier to reduce risk, which would add supply now and take it away later. That would make this autumn look softer and next year look tighter than we expect.
• We assume ewe losses stay limited. Official case counts record farms, not animals, so the true number of sick sheep is not known. If losses are larger than they look, the 2027 supply effect would be bigger and would arrive sooner.

What happened

The Department of Agriculture, Food and the Marine (DAFM) confirmed that a dead ram in County Wexford tested positive for bluetongue virus serotype 3 (BTV-3). It is the first recorded detection of the virus in sheep in Ireland. DAFM said the flock would be investigated further.

The ram follows a run of cattle cases. Ireland's first infection of this season was confirmed in early September in an unvaccinated heifer in Wexford, and there are now five infected herds in counties Wexford, Wicklow and Kildare. DAFM notes that sheep usually show much clearer signs of the disease than cattle, with mortality that can reach 70% in affected animals.

On the trade side, DAFM states that bluetongue does not affect food safety and has no implications for meat and dairy exports to the EU, the UK or most international markets. What it does affect is the movement of live animals to certain EU countries and non-EU destinations, because Ireland has lost its bluetongue-free status.

What the numbers say

The Irish lamb trade moved up in the same week. According to Agriland's weekly factory survey, most processors raised lamb offers by 10c/kg, with €8.00 to €8.20/kg on the table for lambs up to 22.5kg carcass weight. Official DAFM figures show just over 1.44 million sheep slaughtered in Ireland so far this year, level with last year, and weekly kills are running well above the same time in 2025.

Britain shows what an established outbreak looks like. The UK government's latest update, dated 22 September, reports:

• 1,691 confirmed cases (premises) in the 2026 to 2027 season: 1,460 in England, 198 in Wales, 33 in Scotland and none in Northern Ireland
• 58 new cases in England on 21 September alone, 38 of them in sheep
• 1,282 further suspected cases still under investigation
• All of England and Wales in a bluetongue restricted zone, with a zone in south-west Scotland since 10 September

What we are watching next

We will watch the weekly Irish factory lamb quotes for any break in the current firmness, and DAFM's updates for further sheep cases. In Britain, the share of new cases in sheep is the number that matters most for 2027 lamb supply. We will also follow the live-animal export certificates to non-EU markets, since that is where Irish trade is directly affected.

Sources

Bluetongue detected in sheep for first time in Ireland - Agriland

Sheep trade: Lamb price offers rise 10c/kg as cull ewe price stays firm - Agriland

Bluetongue: latest situation - GOV.UK (Defra and APHA)

Bluetongue Virus - Department of Agriculture, Food and the Marine, gov.ie