How 'hardy' is VHD?

rachylou · Dec 2, 2011

As title says?
For instance can it still be a problem after a year in an area?
Like if there were some deaths in an area a year ago is there still a chance of bringing it home?

Jack's-Jane · Dec 2, 2011

VHD-General Information on Environmental Factors/Events and Seasonality

Epidemics of rabbit haemorrhagic disease usually start in November and end in March. (B614.9.w9)
Seasonality of disease may be related to population characteristics: in the early part of the year, the majority of the rabbits are either adults which are already seropositive or kits which are under eight weeks of age and still [particularly under four weeks old] resistant to the virus. Later in the year more of the juveniles are old enough to be fully susceptible. (J64.10.w11)
Virus suspensions have been reported to retain infectivity for at least nine months at 4° C. (B209.16.w16)
RHDV is highly stable in the environment. Infectivity is unaffected by exposure to pH3, heating at 50 °C or treatment with ether or chloroform. However, the virus is inactivated by 0.4 % formaldehyde or 1% sodium hydroxide at ambient temperature, 4° C, or 37° C. (B209.16.w16)
In Australia, outbreaks were seen mainly in spring and autumn, particularly when the daily maximum temperature was 15 - 32 °C (optimum 23 °C). (P2.47.w4)

Info taken from here

http://wildpro.twycrosszoo.org/S/00dis/viral/Rabbit_haemorraghic_disease.htm

rachylou · Dec 2, 2011

Jack's-Jane said:
VHD-General Information on Environmental Factors/Events and Seasonality

Epidemics of rabbit haemorrhagic disease usually start in November and end in March. (B614.9.w9)
Seasonality of disease may be related to population characteristics: in the early part of the year, the majority of the rabbits are either adults which are already seropositive or kits which are under eight weeks of age and still [particularly under four weeks old] resistant to the virus. Later in the year more of the juveniles are old enough to be fully susceptible. (J64.10.w11)
Virus suspensions have been reported to retain infectivity for at least nine months at 4° C. (B209.16.w16)
RHDV is highly stable in the environment. Infectivity is unaffected by exposure to pH3, heating at 50 °C or treatment with ether or chloroform. However, the virus is inactivated by 0.4 % formaldehyde or 1% sodium hydroxide at ambient temperature, 4° C, or 37° C. (B209.16.w16)
In Australia, outbreaks were seen mainly in spring and autumn, particularly when the daily maximum temperature was 15 - 32 °C (optimum 23 °C). (P2.47.w4)

Info taken from here

http://wildpro.twycrosszoo.org/S/00dis/viral/Rabbit_haemorraghic_disease.htm

I dont understand a lot of this

Jack's-Jane · Dec 2, 2011

Rabbit calicivirus (VHD) is a very hardy virus, remaining viable in the environment for 105 days at 68F (i.e. remains stable for 105 days at room temperature) and for 225 days at 39F. It resists freezing.

Taken from here

http://www.rabbit.org/care/vhd.html

rachylou · Dec 2, 2011

So it would not be able to survive past 1 year?

Hugo's There · Dec 2, 2011

This article says it can last past a year and a half :? http://www.rabbitweb.net/vhd.asp

How 'hardy' is VHD?

rachylou

Warren Veteran

Jack's-Jane

Wise Old Thumper

rachylou

Warren Veteran

Jack's-Jane

Wise Old Thumper

rachylou

Warren Veteran

Hugo's There

Wise Old Thumper

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