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Occurrence of coccidia (Caryospora neofalconis and Caryospora kutzeri) in birds of prey in Falcon Breeding Facility in Milotice in the Czech Republic

PAVLIK I, CERNIK J, BARTA J, KUNDERA J, PECKA Z
Veterinarni Medicina 43, 1998, 301-306

Parasitological examinations of 430 faecal samples collected from 91 birds of prey kept in the Falcon Breeding Facility in Milotice belonging to 10 species were conducted in 1991-1992. Caryospora neofalconis was first detected in 4 falcons suffering from diarrhoea and lethargy in 1991. Subsequently oocysts C. neofalconis were found in 68 samples collected from 30 birds. The first finding of C, kutzeri was recorded in 1992 in faecal samples from a clinically normal gyrfalcon (Falco rusticolus) imported from Denmark. Subsequent examinations of 327 faecal samples demonstrated oocysts of C. kutzeri in 11 of the 77 birds examined. Concurrent infection by oocysts of both species was found in one kestrel (F. tinnunculus). Repeated examinations demonstrated that C. neofalconis was replaced by C. kutzeri in two hobby falcons (F. subbuteo) and two saker falcons (F. cherrug). Of the falcons showing weight loss, lethargy and diarrhoea, seven were infected by C. neofalconis and three by C. kutzeri. Treatment of the infected birds with Sulfakombin (Galena, Opava, Czech Republic) resulted in full clinical recovery and suppression of oocysts shedding for several weeks. Although oocysts shedding resumed later, no clinical signs developed in the prior treated animals


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