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
Animal cafe style at the cafe. Some visitors of animal cafe in Japan express their concerns for the safety and welfare of the birds. They argue that there is a natural daily routine for birds but this animal cafe does not care about it. Japanese animal rights activists also argue that bird cafes abuse birds as the entertainment of humans and birds meant to fly in the sky rather than staying in the building.As a result, Japanese government had made much stricter Animal Protection Law which strengths the new rules and restricts trading hours of animal cafe in order to release controversies.