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Presence of antibodies to Chlamydia psittaci in farm-managed pheasants Phasianus colchicus and pigeons Columba livia F. domestica

TRAVNICEK M, CISLAKOVA L, MISKO J
Veterinarni Medicina 45, 2000, 149-151

Results are presented of serological examinations of 194 pheasants (Phasianus colchicus) and 114 pigeons (Columba livia f. domestica) for the presence of antibodies to Chlamydia psittaci. Farm management of pheasants is carried out in a pheasantry at Rozhanovce run by the University of Veterinary Medicine at Kosice. Pigeons were entrapped in farm buildings of Rozhanovce village. Seropositivity was detected in 40.7% of pheasants (28.5-45.9% in dependence on sampling date) by a micro-method of complement fixation reaction when a genus specific antigen Ch. psittaci (Bioveta, Ivanovice in Hana, CR) was used. The unapparent form of chlamydiosis was demonstrated by the antibody levels (1 : 128). 64.0% of pigeons showed seropositivity while differences in the number of positive birds and antibody levels were large in relation to sampling dates. 35.7% of birds showed seropositivity with maximum antibody titer 1 : 128 in a group of 42 pigeons entrapped in January 1999 while a group of 72 pigeons entrapped in April 1999 comprised 80.5% of birds with seropositivity and antibody titer 1 : 1 024. These results document an acute form of chlamydiosis and suggest that in the spring season pigeons are a very important source of chlamydiosis for the human and animal populations


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