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 worship Animal worship Animal worship (or zoolatry) refers to rituals involving animals, such as the glorification of animal deities or animal sacrifice. When a god is respected or worshipped by means of a representative animal, an animal cult is formed (Teeter et al., 2002, p. 355). Animal cults may be classified according to their outward form or according to their inward meaning, which may of course undergo transformations (Thomas 1911, p. 51). The classical author Diodorus explained the origin of animal worship by recalling the myth in which the gods, supposedly threatened by giants, hid under the guise of animals. The