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Safety of a temperature-sensitive vaccine strain of bovine viral diarrhea virus in pregnant cows.
1986
Lobmann M. | Charlier P. | Klaassen C.L. | Zygraich N.
Use of a toxoid vaccine to protect goats against intradermal challenge exposure to Corynebacterium pseudotuberculosis.
1986
Brown C.C. | Olander H.J. | Biberstein E.L. | Morse S.M.
Mortality in swine herds endemically infected with Haemophilus pleuropneumoniae: effect of immunization with cross-reacting lipopolysaccharide core antigens of Escherichia coli.
1986
Fenwick B.W. | Osburn B.I. | Cullor J.S. | Henry S.C. | Olander H.I.
Vaccination of cattle against ringworm caused by Trichophyton verrucosum.
1986
Gudding R. | Naess B.
Studies on development of Escherichia coli subunit vaccine against calf diarrhea, 2; immunogenicity and protective efficacy of Escherichia coli K99 and F41 pilus vaccines in experimental animals
1986
Kim, J.M. | Yoon, Y.D. | Park, J.M. (Rural Development Administration, Anyang (Korea R.). Veterinary Research Inst.) | Kim, B.H. (Kyongbuk National Univ., Taegu (Korea R.). Dept. of Veterinary Medicine)
The oil emulsion and alhydrogel pilli vaccines were prepared from a strain (O9: K35, K99, F41) of enterotoxigenic Escherichia coli isolated from calves with diarrhea and their immunogenicity was tested in guinea-pigs, pregnant goats and cows. Serum antibody responses to K99 and F41 antigens in guinea-pigs given experimental oil and gel vaccines peaked at 4 and 6 weeks after vaccinations. At that time, the mean hemagglutination inhibition titers to K99 and F41 antigens in guinea pigs given oil vaccine were 1:25 and 1:1,218 and those given gel vaccine were 1:54 and 1:724 respectively
Show more [+] Less [-]Studies on development of Escherichia coli subunit vaccine against calf diarrhea, 1; distribution of enterotoxigenic Escherichia coli and purification of K99 and F41 pilus antigens
1986
Kim, J.M. | Yoon, Y.D. | Park, J.M. (Rural Development Administration, Anyang (Korea R.). Veterinary Research Inst.) | Kim, B.H. (Kyongbuk National Univ., Taegu (Korea R.). Dept. of Veterinary Medicine)
The prevalence of diarrhea caused by enterotoxigenic Escherichia coli was surveyed on 445 calves in 6 farms which were located in the central part of Korea. The incidence of enterotoxigenic Escherichia coli in calves with diarrhea was investigated by detecting the K99 and F41 antigens from the isolated strains of Escherichia coli. The incidence of colibacillosis in calves was 23.3%. Of 238 strains of Escherichia coli isolated from calves with diarrhea, 73 strains (30.6%) were proved possessing the K99 antigen by mannose-resistant hemagglutination (MRHA) using horse red blood cells and 79(33.1%) possessing F41 antigens by MRHA using guinea-pig red blood cells
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