Bovine Ephemeral Fever (BEF) is a viral disease of cattle and buffalo. Typically, affected animals are only unwell for a few days hence it’s more common name, three-day sickness. After significant falls of rain, we often see an increase in cases of BEF in the area. This is due to a sudden rise in numbers of biting insects such as buffalo fly, midges & mosquitoes that carry the virus. Find out everything you need to know!