Ovine pulmonary adenocarcinoma as an animal model for human lung cancer, because OPA is histologically similar to human adenocarcinoma in situ of the lung. Dolly the sheep, the first mammal successfully cloned from an adult somatic cell, was euthanized after it was confirmed that she had OPA. 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
Animal People "Animal People News", which covered current events related to animal issues worldwide. The newspaper was retired in 2014 following a split within the board of directors, and in 2015 Animal People launched a new project, the Animal People Forum, an online magazine and social networking site for people interested in animal rights, welfare, and conservation. Kim Bartlett was hired as editor of "The Animals' Agenda" news magazine in August 1986, where Patrice Greanville was already associate editor. Merritt Clifton had been freelancing for "The Animals' Agenda", and was hired by Bartlett and Greanville as the feature writer in November 1986.