Changes

==Clinical Signs==

==Clinical Signs==

Disease is most severe and mortality highest in poults. The most common manifestation is of [[:Category:Alimentary Diseases - Birds|gastrointestinal disease]], causing '''white, green or yellow [[Diarrhoea|diarrhoea]], anorexia, inappetance and malaise.''' Concurrent dehydration, hypothermia, pyrexia and weakness may occur. The skin of adult birds is often seen to darken. Birds often exhibit a '''drooped wing appearance'''. Morbidity is usually 100% and bird are often seen to be huddling together. There is a rapid drop in egg production in breeders.

Disease is most severe and mortality highest in poults. The most common manifestation is of [[:Category:Alimentary Diseases - Birds|gastrointestinal disease]], causing '''white, green or yellow [[Diarrhoea|diarrhoea]], anorexia, inappetance and malaise.''' Concurrent dehydration, hypothermia, pyrexia and weakness may occur. The skin of adult birds is often seen to darken. Birds often exhibit a '''drooped wing appearance'''. Morbidity is usually 100% and birds are often seen to be huddling together. There is a rapid drop in egg production in breeders.

TCoV is also '''one of a group of pathogens''' associated with '''Poult Enteritis and Mortality Syndrome (PEMS)''' which affects poults up to '''one month old''' in the USA causing huge spikes in mortality.

TCoV is also '''one of a group of pathogens''' associated with '''Poult Enteritis and Mortality Syndrome (PEMS)''' which affects poults up to '''one month old''' in the USA causing huge spikes in mortality.

Recovery begins after approximately 5 days but it may take several weeks to regain weight. Recovered birds will not become ill again but do '''shed the virus for months afterwards and may carry it for life.'''  

Recovery begins after approximately 5 days but it may take several weeks to regain weight. Recovered birds will not become ill again but do '''shed the virus for months afterwards and may carry it for life.'''

==Diagnosis==

==Diagnosis==