Observation on Disease of Bovine Foot

Cheong, Chang Kook; Han, Hong Ryul; Sung, Jai Ki

Korean Journal of Veterinary Research 1976;16(1):71-75.

Chang Kook Cheong, Hong Ryul Han, Jai Ki Sung

College of Veterinary Medicine, Seoul National University

젖소의 제질환(蹄疾患)에 관한 조사연구(調査硏究)

정창국, 한홍율, 성재기

서울대학교 수의과대학

Abstract

Observation was performed for incidence of chronic necrotic pododermatitis to 1,387 heads of Hostein cows in 25 dairy herds during one year period from March 1975 to Feb. 1976. The results obtained were as follows: 1. Sixty four heads of cow affected chronic necrotic pododermatitis during the observation period and the incidence rate shown 4.61%. 2. Incidence of chronic necrotic pododermatitis was more prevalent of all foot disease and it was occupied 60.9% of all foot disease. 3. The highest incidence was observed on August and September in the season high in temperature and humidity. 4. The disease was more frequently seen affecting in hind than front limbs, and lateral than medial claws. 5. The disease was more frequently seen affecting in older cows, and higher production cows.