Browsing Proceedings of the 44th International Congress of the World Association for the History of Veterinary Medicine by Author "Pettey, Kenneth P."

Browsing Proceedings of the 44th International Congress of the World Association for the History of Veterinary Medicine by Author "Pettey, Kenneth P."

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  • Heartwater : a simple disease with a peculiar distribution that has exasperated farmers and scientists for eons 
    Pettey, Kenneth P.; World Association for the History of Veterinary Medicine. International Congress (44th : 2020 : Pretoria, South Africa) (Pretoria : World Association for the History of Veterinary Medicine, 2020-02)
    Heartwater (previously cowdriosis) is a disease caused by a rickettsia, Ehrlichia ruminantium (previously Cowdria ruminantium). It was first recognised and recorded in South Africa by the Voortrekker Louis Trichardt in ...