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Veterinary information to support practice, based on evidence and continuing education

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Datasheet
Cover for Bos taurus (cattle)

Feral cattle can be distinguished from domestic stock only by their location and lack of ear marks or tags. Their size and conformation vary greatly...

Datasheet
Cover for Brahman cattle

Evolutionary HistoryAll modern cattle trace their origins to Bos primigenius. Analyses of mitochondrial DNA have shown that divergence of Bos...

Datasheet
Cover for Hereford & Polled Hereford cattle

The Hereford breed of cattle belongs to the old British red middle-horn group, which includes breeds such as the Sussex and Devon. During the...

Datasheet
Cover for Friesian cattle breeds

The origins of the Bos taurus Friesian cattle breed were the black and white animals of migrant European tribes, the Batavians and the Friesians, who...

Datasheet

According to Olson and Miller (1987), the initial descriptions of enzootic bovine leukosis (EBL) were published in German medical literature in...

Datasheet
Cover for paratuberculosis

Johne's disease or paratuberculosis (PTB) caused by Mycobacterium avium subspecies paratuberculosis, initially infects the ileum causing a...

Datasheet

Brucella abortus was isolated from cattle in 1897 by the Danish veterinarian Bernard Bang (Bang, 1897). The disease caused by Brucella abortus (B....

Datasheet
Cover for Holstein cattle

The Holstein breed has its origins in the USA where it was developed from the late 1800s onwards. This Bos taurus breed was developed from the Dutch...

Datasheet

There exist over 200 distinct breeds of sheep Ovis aries. The breeds differ in their physical characteristics. Female sheep tend to be smaller than...

Datasheet
Cover for coccidiosis

Coccidiosis is a disease that is caused by microscopically visible parasites named ‘coccidia’ [mainly Eimeria spp and Isospora spp]. These parasites...