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
Animal Cops following: The Animal Cops series inspired the formation of a 500-strong animal police force (), with full law-enforcement powers in the Netherlands, as agreed by the Dutch government coalition which formed in 2010. The first Dutch animal cops were officially certified on December 2, 2011 by the Security and Justice minister Ivo Opstelten. The Party for the Animals criticized the plan because the animal cops are only allowed to investigate the abuse of pets, not the abuse of farm animals. For the same reason, the Dutch animal cops are sometimes mockingly called the "guinea pig police" (). Animal Cops Animal