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 cafe style at the cafe. Some visitors of animal cafe in Japan express their concerns for the safety and welfare of the birds. They argue that there is a natural daily routine for birds but this animal cafe does not care about it. Japanese animal rights activists also argue that bird cafes abuse birds as the entertainment of humans and birds meant to fly in the sky rather than staying in the building.As a result, Japanese government had made much stricter Animal Protection Law which strengths the new rules and restricts trading hours of animal cafe in order to release controversies.