engleski

Offspring Mortalities In Captive-Bred Brown Hares (Lepus Europaeus) Caused By Bordetella Bronchiseptica

Diseases of the upper respiratory tract as well as alimentary tract are the most common diseases in intensive breeding of both rabbits and European brown hare. Diseases of the upper respiratory tract are most frequently caused by Pasteurella multocida, but other pathogens like Bordetella bronchiseptica and Staphylococcus spp. are occasionally involved. This paper presents results of pathohistological and bacteriological examination of brown hare died in cage breeding. Within the outbreak, eight out of twelve offspring died. Four carcasses were presented to the Department for Game Biology, Pathology and Breeding for necropsy. Lung, stomach, intestine and liver samples were taken for histopathological examination, while liver, spleen and lung were submitted to Department for Microbiology and Infectious Diseases, for bacteriological examination. Bordetella bronchiseptica was isolated from liver and lung of two animals. Immediately after necropsy anti-bacterial therapy, based on results of antimicrobial susceptibility testing, was prescribed in order to prevent further mortalities. The obtained results and observed non-adequate breeding technology indicate bordetellosis as the most probable cause of the mortalities in question.

European brown hare; cage breeding; mortality; Bordetella bronchiseptica

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