Infection of sheep in Yorkshire with Salmonella abortus ovis.
D000034:Abortion, Veterinary / Q000209:etiology; D000818:Animals; D004739:England; D005260:Female; D005313:Fetal Death; D011247:Pregnancy; D012481:Salmonella Infections, Animal / Q000150:complications / Q000175:diagnosis; D012698:Serologic Tests; D012756:Sheep; D012757:Sheep Diseases