title: Acute impaction of the rumen in a herd of Friesian cows.
abstract: An outbreak of acute impaction of the rumen in a herd of Friesian cows associated with the over eating of young grass and exposure to severe weather conditions, is described. The morbidity rate was 100 per cent and the mortality rate 6-5 per cent.
mesh_terms: D000821:Animal Feed / Q000009:adverse effects; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis / Q000473:pathology; D005260:Female; D006109:Poaceae; D012417:Rumen / Q000473:pathology