Pathogenicity for chickens of six strains of Mycoplasma gallisepticum isolated from various birds.
Pathogenicity of the type strain and five field strains of Mycoplasma gallisepticum isolated from various avian hosts was evaluated by chicken inoculation. Only two field strains isolated from chickens were highly pathogenic for the chicken respiratory tract.
Yagihashi
T
T
Nippon Institute for Biological Science, Tokyo, Japan.
Nunoya
T
T
Tajima
M
M