Author: Ali, A. A.; Esmat, M.; Attia, H.; Selim, A.; Abdel-Hamid, Y. M.
Description: Between May 1988 and May 1989 animals infected with lumpy skin disease in 10 cattle and buffalo herds from 6 different farms (1300 cattle and 300 domestic buffaloes) were observed for clinical signs and lesions. Skin biopsies and specimens from lymph nodes were collected at different stages during the course of the disease. The incidence of the disease in cattle and buffaloes on the 6 farms ranged from 21 to 71% and was highest in the Ishmailia governate and lowest in the Sharkia governate. The rate of clinical infections was 30.8% (40 of 1300) in cattle and 1.6% (5 of 300) in buffaloes. Clinical findings included pyrexia ranging from 40° to 42°C which persisted for 7 days, frequent nasal and lacrimal discharges and salivation and multiple dermal nodules which appeared within one week of the start of the fever. The nodules which ranged from a few to several hundred per animal sometimes coalesced. The nodules which later contained a clear serous and, sometimes, purulent exudate often disappeared spontaneously but sometimes persisted for up to 8 weeks leaving ulcers. Oedema of the limbs and ventral abdominal wall and swollen superficial lymph nodes with thickened lymph vessels were also seen. All age groups were infected, but a higher incidence was seen in calves less than one month old. One per cent of the calves and severely affected animals died. Histopathological findings were similar to those reported previously but in addition involvement of subcutaneous tissue and muscle was observed.
Subject headings: Animals; Animals, Domestic; Buffaloes; Cattle; Egypt; Lumpy Skin Disease; Skin Diseases, Infectious
Publication year: 1990
Journal or book title: The Veterinary Record
Volume: 127
Issue: 22
Pages: 549-550
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Serial number: 3592