PATHOGENICITY OF CERTAIN MYCOPLASMA SPECIES IN BOVINE MAMMARY-GLAND

被引:28
作者
BROWNLIE, J [1 ]
HOWARD, CJ [1 ]
GOURLAY, RN [1 ]
机构
[1] AGR RES COUNCIL, INST RES ANIM DIS, NEWBURY, BERKSHIRE, ENGLAND
关键词
D O I
10.1016/S0034-5288(18)33421-0
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Strains of 3 of the species of mycoplasmas isolated from pneumonic calf lungs, M. dispar, M. bovirhinis and Acholeplasma laidlawii, were inoculated into the bovine mammary gland. Pathogenicity of the species was monitored by counting the inflammatory cells and mycoplasmas in milk. Of the 7 M. dispar strains, 6 produced clinical mastitis; the 7th strain, Vic 12, was apparently avirulent. The 4 strains of M. bovirhinis caused subclinical mastitis. None of the 4 strains of A. laidlawii multiplied; they produced only a transient cell response in the milk.
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页码:261 / 266
页数:6
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