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The disease

Epidemiology

 

Breed of animal

 


The breed of animal is apparently only of indirect importance in susceptibility to brucellosis within animal species. In cattle, for example, the prevalence is often much lower in beef breeds than in dairy breeds, since density and thus exposure potential is higher in dairy cattle. An exception is that milking breeds of sheep are very susceptible while nonmilking breeds are quite resistant to B. melitensis.