Author, Donkey, Bureaucrats, Administrators
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−===''Campylobacter fetus'' subspecies ''fetus''===+
−*Sporadic abortion in cows and sheep
−*10% of ovine abortions in the UK
−*Enteric organism of sheep, goats and cattle; faecal-oral transmission
−*Ingestion during last trimester of pregnancy causes a bacteraemia
−*Bacteria reach the uterus
−*Necrotic placentitis causes late abortion, still birth or weak lambs
−*Sporadic abortion in cattle
−*Aborted lambs may have round necrotic lesions on surface of liver
−*Aborting ewes source of infection for vulnerable animals
−*Up to 20% of flock may abort
−*Solid immunity developed
−*S layer immunodominant antigen
−*Diagnosis: hepatic lesions in lambs; presence of organisms in foetal abomasum; isolation and identification
−*Treatment/control: isolate aborting ewes; destroy placenta; move other ewes to clean pasture; vaccinate flock with bacterin during outbreak and prophylactically; chlortetracycline in feed in an outbreak
[[Campylobacter fetus subspecies fetus]]
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