Jaagsiekte sheep retrovirus Jaagsiekte sheep retrovirus Jaagsiekte sheep retrovirus (JSRV) is a betaretrovirus which is the causative agent of a contagious lung cancer in sheep, called ovine pulmonary adenocarcinoma. JSRV is the virus that is the cause of the contagious lung tumors in sheep called ovine pulmonary adenocarcinoma (OPA). The disease has also been called "jaagsiekte", after the Afrikaans words for "chase" ("jaag") and "sickness" ("siekte"), to describe the respiratory distress observed in an animal out of breath from being chased, indicating the breathing difficulty experienced by infected sheep. Transmission of virus is through aerosol spread between sheep. The exogenous infectious form of
Funny animal Funny animal A funny animal is an anthropomorphic animal character who lives like a human. Funny animals typically are bipedal, wear clothes, live in houses, drive and ride vehicles, and have jobs or may even be recognized citizens of countries, which distinguish them from other animal characters who may nonetheless display anthropomorphic characteristics such as speaking or showing facial expressions. Funny animal (also talking animal) is also the genre of comics and animated cartoons which primarily feature funny animals. While many funny animal stories are light-hearted and humorous, the genre is not exclusively comedic. Dark or serious stories featuring characters