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Nematodirus Risk Now Declining for Most After Warm Spring

11 June 2015

UK – Barring far north west parts of the British Isles, an early peak in hatching means risk of nematodirus larvae is falling, according to the June NADIS parasite forecast.

Met office records show a warm spring for much of the UK, meaning the bulk of the April and May born lamb crop has largely avoided larvae. 

January and February born lambs, however, were at grass during the hatching period, explains sheep veterinarian, Peers Davies.

At the start of June, he noted that only Northern Ireland and North West Scotland fell into the risk zone.

“In most of the UK we are now at declining risk as those larvae are out of pasture and degrading as temperatures rise,” he said. “Regional conditions do vary and you should consult your veterinary surgeon to ensure the most appropriate protocols are put in place on your farm.”

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