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Ovine pulmonary adenocarcinoma (OPA), also known as ovine pulmonary adenomatosis, or jaagsiekte, is a chronic and contagious disease of the lungs of sheep and goats. OPA is caused by a retrovirus called jaagsiekte sheep retrovirus (JSRV).
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.
Nairobi sheep disease orthonairovirus (NSDV) infection; orf, also known as contagious ecthyma, contagious pustular dermatitis, infectious labial dermatitis, thistle disease, sore mouth, or scabby mouth; ovine encephalomyelitis (louping ill) ovine progressive pneumonia (OPP) ovine pulmonary adenocarcinoma
A Finn Dorset such as Dolly has a life expectancy of around 11 to 12 years, but Dolly lived 6.5 years. A post-mortem examination showed she had a form of lung cancer called ovine pulmonary adenocarcinoma, also known as Jaagsiekte, [18] which is a fairly common disease of sheep and is caused by the retrovirus JSRV. [19]
The enzootic nasal tumor virus of the betaretrovirus genus is a carcinogenic retrovirus that causes enzootic nasal adenocarcinoma in sheep and goats. [1] Strain ENTV-1 is found in sheep and strain ENTV-2 is found in goats. [2] [3] The virus causes tumor growth in the upper nasal cavity and is closely related to JSRV which also causes ...
Enzootic nasal adenocarcinoma is a fatal, malignant neoplastic, infectious disease in sheep and goats. It is caused by the Enzootic nasal tumor virus , a retrovirus similar to Jaagsiekte sheep retrovirus , which causes a similar disease, also in sheep and goats called Ovine pulmonary adenocarcinoma (OPA). [ 1 ]
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There have been a minimum of thirteen studies where bighorns and domestic sheep were penned together, resulting in 98% bighorn mortality rates. [3] The cause of the issue is when domestic sheep and goats that are infected with M. ovipneumoniae come into contact with healthy bighorn sheep, this infects them and can cause large population die ...