Summary
Getting rid of thistles in Westcountry sheep pastures reduces the incidence of orf, a virus that can enter animals through abrasions caused when lambs graze too close to prickly weeds.
"Infected sheep develop scabby lesions on non-woolly areas, such as udders, lips and noses," explained Andy Bailey, principal biologist for Dow AgroSciences. "Affected ewes are less likely to let lambs suckle, increasing the risk of mastitis, while lambs that can't suckle do not grow as well as expected.See the full content of this document
Extract
Eradicate Thistles to Stop Sheep Infection
"Many farmers vaccinate against orf, but there has been ...
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