Ovine pulmonary adenocarcinoma Ovine pulmonary adenocarcinoma 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). The disease has a long incubation period, and therefore signs usually occur in adult animals (over 2 years of age). Clinical signs resemble a non-specific progressive pneumonia, including poor body condition and, particularly after exercise, respiratory difficulty. Unless a concurrent lung infection is present, affected sheep continue to eat. The only sign specific to OPA is a watery nasal discharge, consisting
Which Side Which Side Which Side Podcast is a political podcast hosted by animal rights activist and Grand Jury resister Jordan Halliday and Jeremy Parkin. It features various guests with discussions involving animal rights, earth rights, atheism, anarchism, and many other topics. Which Side has been releasing episodes every week on iTunes and Stitcher since November 2012. The podcast takes its name from the folk song Which Side Are You On?. Which Side Podcast helped found the Which Side Media Collective which it is also a member of. The collective helps have a central outlet for helping distribute and create radical content.