Ovine pulmonary adenocarcinoma Ovine pulmonary adenocarcinoma Ovine pulmonary adenocarcinoma (OPA), also known as ovine pulmonary adenomatosis, or jaagsiekte, is a chronic and contagious disease of the lungs of sheep and goats. OPA is caused by a retrovirus called jaagsiekte sheep retrovirus (JSRV). The disease has a long incubation period, and therefore signs usually occur in adult animals (over 2 years of age). Clinical signs resemble a non-specific progressive pneumonia, including poor body condition and, particularly after exercise, respiratory difficulty. Unless a concurrent lung infection is present, affected sheep continue to eat. The only sign specific to OPA is a watery nasal discharge, consisting
Animal Airport Animal Airport Animal Airport is a British reality television series following the staff at the animal reception centre based at London Heathrow Airport. The eight part, 24 minute series first aired on Channel 5 from 22 May 2000. Was repeated on Sky Travel. Not been repeated yet on Sky Real Lives. Animal Airport was one of the first shows which were filmed at London Heathrow Airport. Made by World Television for Channel 5. (2012 return) As of Wednesday, 13 June at 8pm, Animal Airport will be shown on Animal Planet (UK TV channel) be back for a Brand New series