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 print animal print design into accessories such as iPad hard cases and folios. Animal print Animal print is a clothing and fashion style in which the garment is made to resemble the pattern of the skin and fur of an animal such as a leopard, cheetah, zebra, tiger, spotted hyena, striped hyena, African wild dog, giraffe or monkey. Animal print is also used for room decoration, handbags and footwear and even some jewelry. A major difference between animal prints and fur clothing is that animal prints today very often use fake fur instead of animal coat. Animal prints have long been