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VetMed Resource

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 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
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 Stomoxys calcitrans

Stable flies, both males and females, are obligate blood-feeding flies of livestock grouped under the genus Stomoxys. They are believed to have...

Datasheet

Males weigh between 45 and 55 kilos and females weigh between 25 and 35 kilos. Colouration is highly variable from mostly black, to various shades...

Datasheet

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

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 paratuberculosis

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

Datasheet
Cover for Escherichia coli infections

Escherichia coli is an important cause of disease worldwide and occurs in most mammalian species, including humans, and in birds. E. coli are...

Datasheet

Bovine respiratory syncytial virus (BRSV) was first isolated during a disease outbreak in Switzerland in 1970 (van Vuuren, 1994). BRSV is an...