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Sunday, 15 April 2007

Seroepidemiology of feline chlamydiosis by microimmunofluorescence assay with multiple strains as antigens.

Microbiol Immunol. 1996 ;40 (10):755-9

Pudjiatmoko, Hideto Fukushi, Yoshitsugu Ochiai, Tsuyoshi Yamaguchi and Katsuya Hirai

Department of Veterinary Microbiology, Faculty of Agriculture, Gifu University, Yanagido 1-1, Gifu 50I-11, Japan


The prevalence of anti-chlamydia antibodies was examined in 232 cat sera collected in 1985 and from 1993 to 1995 from laboratories and veterinary hospitals located in 11 prefectures of Japan. The antibodies were determined by an indirect microimmunofluorescence test using six strains of feline Chlamydia: one strain each of avian- and guinea pig-derived C. psittaci and one strain each of C.pecorum, C.pneumoniae and C.trachomatis. Positive rates of IgG antibodies to chlamydiae were 34.4% in 1985 and 16.5-21.4% from 1993 to 1995. Positive rates of IgM antibodies to chlamydiae were 8.2% in 1985 and 6.6-14.3% from 1993 to 1995. Variations in antibody reactivity to the different feline strains were observed. The results suggest the wide prevalence of chlamydial infection in cats in Japan, and antigenic diversity in the feline strains of C.psittaci.