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Innate susceptibility of various cattle breeds to tick fever disease caused by B. bovis and A. marginale

The objective of this study was to compare the relative susceptibilities to tick fever disease of some recently introduced exotic Bos taurus breeds of cattle. No information had previously been documented to help assess the risk of tick fever in these breeds. This study is therefore the first detailed assessment reported of the innate resistance of Tuli, Senepol and Wagyu breeds to B. bovis and A. marginale. These breeds were shown to be as susceptible to B. bovis infection as other more traditional pure B. taurus breeds. All the breeds tested were susceptible to virulent A. marginale challenge and would be at risk of severe disease if exposed in the field. These results confirm that pure B. indicus cattle are relatively resistant to B. bovis but susceptible to A. marginale. This information can be used by producers who use these breeds or their crosses to better evaluate the risk of tick fever disease and implement appropriate control measures as required.

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93.3KB 01/06/2011

This page was last updated on 24/07/2017

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