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 Boy used the drummer as a songwriter since original drummer Tommy Ramone, with Joey saying he wanted to make Richie feel like a part of the band, because he felt past drummers were not so much a part of the band nor any good at writing, while calling Richie a "regular Phil Collins." Johnny would later say the album needed a better production quality, commenting that the guitar moments did not sound like he had performed them. "The producer on ["Animal Boy"], Jean Beauvoir," Johnny relates, "was selected by the label, not us." For the album's front cover, the band wanted