![]() ![]() ![]() In recent years, the Czech strain has had less impact on wild rabbit populations due to the development of immunity, so Australian scientists have evaluated a number of different RHDV variants for release. An effective vaccine, Cylap ® has been available for many years to protect domestic rabbits against this strain of the virus. This followed an accidental release of the virus in 1995 from CSIRO field trials on Wardang Island in South Australia. ![]() The first strain of RHDV, known as the Czech strain (belonging to the RHDV1 family), was released by the government in 1996 to help control wild rabbits in an effort to minimise environmental damage being caused. Veterinarians should follow current Australian Veterinary Association guidelines to maximise vaccine protection. ![]() However, Cylap ® does not protect against all strains, so additional measures must be taken to reduce the risk of rabbits being exposed to RHDV. Rabbit owners should ensure their rabbits are vaccinated with Cylap ® vaccine to protect against the original strain of the virus, RHDV1. There are currently three pathogenic strains of this virus in wild rabbit populations in Australia. Rabbit haemorrhagic disease (RHD) is caused by the rabbit haemorrhagic disease virus (RHDV), a type of calicivirus which is fatal in non-immune rabbits. ![]()
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