A mortality survey of free range koalas from the north coast of New South Wales.

In the period 1980 to 1986, 127 free range koalas from the north coast of New South Wales were presented for necropsy. Thirty-three koalas had urogenital disease alone, 8 had respiratory disease alone, 2 had digestive tract disease alone, 12 had multiorgan disease, 48 had traumatic injuries, 6 had neoplasia, 3 had miscellaneous conditions, while 15 had no significant lesions. Common naturally occurring disease entities included cystitis, conjunctivitis, paraovarian cysts, metritis and pneumonia. Lymphosarcoma was the common neoplasm.