Abstract
Fifteen chickens were inoculated with the atypical Mycoplasma gallisepticum (mg) K703 strain. On different dates post inoculation, tracheal swab samples were collected for mycoplasma culture and blood samples were analysed by slide agglutination test ( sa) with commercial or homologous antigen and enzyme-linked immunosorbent assay ( elisa) with three different kits. Results showed that MG isolation rate was low on several sampling dates. The sa with commercial antigen did not yield positive results, although birds were positive when tested with homologous antigen. With commercial elisa kits, the numbers of positive samples remained low. These results illustrate the difficulty of diagnosis of infections with such mg variant strains.
Published Version
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