Korean Journal of Veterinary Research 1982;22(2):155-159.
Studies on Enteric Colibacillosis in Piglets 3. A Field Trial of Polyvalent Live Escherichia coli Oral Vaccine
Bong-Hwan Kim
Department of Veterinary Medicine, College of Agriculture, Gyeongsang National University
자돈(仔豚)의 병원성(病源性) 대장균증(大腸菌症)에 관한 연구(硏究) 3. 임신모돈(姙娠母豚)에 대한 대장균생균(大腸菌生菌)백신의 경구투여(經口投與)가 자돈(仔豚)의 대장균(大腸菌)설사병 예방(豫防)에 미치는 영향(影響)
김봉환
경상대학교 농과대학
Abstract
A polyvalent live Escherochia coli oral vaccine were prepared by the use of 5 field isolates of enteropathogenic E. coli, serotypes 08 : K87, K88a, b ; 0138 : K81, K88a, c ; 0141 : K85a, b, K88a, b ; 0149 : K91, K88a, c and 0157 : K'V17', K88a, c. Some field experiments were conducted to investigate the effectiveness of the polyvalent live E. coli oral vaccine in the prevention of neonatal colibacillosis in piglets suckling orally vaccinated sows. Seventy-nine pregnant sows in an intensive pig farm were vaccinated with oral vaccine 4 weeks prior to farrowing and 19 sows were chosen for control. The piglets suckling vaccinated sows showed a significant protection against neonatal enteric colibacillosis during the 2 weeks observation period from the farrowing but no significant differences in protection between vaccinated and control group were observed with piglets older than 15 days.


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