Ovine pulmonary adenocarcinoma be predisposed to OPA. Most affected sheep show signs at 2 to 4 years of age. OPA is not a notifiable disease, and therefore it is difficult to assess its prevalence. OPA was first described in the UK in 1888, and described in detail in South Africa in 1891. The disease was initially known as "jaagsiekte" , a word derived from Afrikaans, meaning "chasing sickness," so called because animals are in respiratory distress as if they are out of breath from being chased. It has also been known as sheep pulmonary adenomatosis and ovine pulmonary carcinoma. OPA has been used
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