| pathology and frequency of cheilospirura hamulosa (nematoda, acuarioidea) in galliformes hosts from backyard flocks. | this investigation reports data on frequency and pathology related to the nematode cheilospirura hamulosa in 28 ring-necked pheasants (phasianus colchicus) and 30 domestic chickens (gallus g. domesticus) from backyard flocks of five localities of the state of rio de janeiro, brazil. the prevalence of c. hamulosa in pheasants was of 14.3%, with a mean intensity of 1.5 and range of infection of 1-2. in chickens these values were of 26.7%, 4 and 1-12, respectively. parasitized birds did not present ... | 2003 | 12745368 |