Article
Cross-immunity and antigenic relationships among five strains of Mycoplasma gallisepticum in young Leghorn chickens.
Avian diseases - 1 Jan 2000
Lin M Y, Kleven S H
Abstract excerpt
Five strains of Mycoplasma gallisepticum (MG) were tested for their cross-protection, virulence, and antigenic relationship in young leghorn chickens. Chickens vaccinated at 1 day of age by eye drop with the F or R strain of MG had good protection against aerosol challenge with the F, R, or S-6 strain at 4 weeks postvaccination. Chickens vaccinated at 1 day of age with the 503 or 730 strain had only partial...
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