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The  incubation period of the virus is around 1 - 4 days and the disease is most prevalent in neonates, where is can be very severe and even fatal. The disease occurs in neonates that have had a [[Failure of Passive Transfer|failure of passive transfer]] of colostrum, as rotavirus antibodies are found in colostrum and would provide protection from the disease for some time (species dependent). Transmission is via the faeco-oral route and the virus is highly infectious and will spread rapidly through a group of animals. The young tend to excrete the virus clinically or sub-clinically in their faeces as passive maternal antibodies wane.
 
The  incubation period of the virus is around 1 - 4 days and the disease is most prevalent in neonates, where is can be very severe and even fatal. The disease occurs in neonates that have had a [[Failure of Passive Transfer|failure of passive transfer]] of colostrum, as rotavirus antibodies are found in colostrum and would provide protection from the disease for some time (species dependent). Transmission is via the faeco-oral route and the virus is highly infectious and will spread rapidly through a group of animals. The young tend to excrete the virus clinically or sub-clinically in their faeces as passive maternal antibodies wane.
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The target tissue of the virus is the '''small intestine enteroycte. '''The villi become stunted and so difficulty to digest food will occur. The virus is confined to the gut, i.e. there is no viraemia.
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The target tissue of the virus is the '''small intestine enterocyte. '''The villi become stunted and so difficulty digesting food will occur. The virus is confined to the gut, i.e. there is no viraemia.
    
== Signalment ==
 
== Signalment ==
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