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Enzootic Bovine Leucosis
Enzootic bovine leucosis (EBL) is a disease of adult cattle due to infection with the bovine leucosis virus.
Cattle may be infected at any age. Most infections do not show clinical signs. Some cattle over three years old develop persistent lymphocytosis and a smaller proportion develop lymphosarcomas (tumours) in various internal organs leading to premature death.
EBL is rare in Australia. A scheme to eradicate the virus began in the mid 1990s. The Standard Definitions and Rules for Control and Eradication of Enzootic Bovine Leucosis have been developed to assist in EBL control.
Information on Australian EBL surveillance statistics is available on the Animal Health Australia website.
Last reviewed: 08 Oct 2007
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