The literature pertaining to the prevalence of avian hematozoa in North America, north Mexico, together with unpublished records from files International Reference Centre for Avian Malaria Parasites, have been collated and analyzed respect distribution parasite genera by region, host family, vertical stratification nesting sites. blood parasites 57 026 birds 388 species (representing 55 families) breeding America are basis this analysis. A total 21 048 (36.9%) harbored one or more...

Summary The impact of habitat disturbance on biodiversity conservation and animal health is poorly understood. Selective logging results in a suite alterations that may increase infection risk susceptibility to resident populations. aim this study was improve our understanding interplay by examining the effects gastrointestinal parasite infections three primate species whose populations have responded differently selective Kibale National Park, Uganda. Populations redtail guenons...

Abstract Objective —To determine the frequency of enteropathogens in cats entering an animal shelter with normal feces or diarrhea. Design —Cross-sectional study. Animals —100 evaluated at open-admission municipal Florida. Procedures —Fecal samples collected within 24 hours after admission from 50 and diarrhea were tested by fecal flotation, antigen testing, PCR assay, electron microscopy for selected enteropathogens. Results —12 identified. Cats no more likely to be infected ≥ 1 (84%) than...

Studies designed to investigate the causative agent of equine protozoal myeloencephalitis and its life cycle have been hampered by marked similarity Sarcocystis neurona other spp. present in same definitive host. Random-amplified polymorphic DNA techniques were used amplify from isolates S. falcatula. sequence analysis polymerase chain reaction (PCR) products was then design PCR primers specific products. The ribosomal RNA internal transcribed spacer also amplified compared between Useful...

From August 1997 to July 2003, we collected 2,103 fecal samples from free-ranging individuals of the 3 colobus monkey species Uganda—the endangered red (Piliocolobus tephrosceles), eastern black-and-white (Colobus guereza), and Angolan (C. angolensis)—to identify determine prevalence gastrointestinal parasites. Helminth eggs, larvae, protozoan cysts were isolated by sodium nitrate flotation sedimentation. Coprocultures facilitated identification helminths. Seven nematodes (Strongyloides...

Many avian species are negatively impacted by urbanization, but other survive and prosper in urbanized areas. One factor potentially contributing to the success of some urban areas is reduced presence predators or parasite vectors compared rural In addition, may provide increased food water resources, which can enhance immune capacity resist infection ability eliminate parasites. We determined patterns blood parasitism, body condition, cell profiles populations five adult male songbird that...

Sporozoite-induced experimental infections of Haemoproteus meleagridis produced a moderate to severe myositis and significant effects on weight gain growth in domestic turkey poults. Pathological occurred both low- high-dose (4,400 57,500 sporozoites, respectively). Low-dose birds weighed significantly less than controls at 3 wk postinfection (PI) when peripheral parasitemia reached peak had shorter tarsometatarsal lengths 1 PI. High-dose were lighter smaller control low-dose throughout the...

From January 1998 to December 2002, we collected 293 fecal samples from free-ranging individuals of the 4 guenon species western Uganda, i.e., redtail guenons (Cercopithecus ascanius), blue monkeys mitis), l'hoesti lhoesti), and vervet aethiops), quantify prevalence gastrointestinal parasites. Helminth eggs, larvae, protozoan cysts were isolated by sodium nitrate flotation sedimentation. parasites identified, infection was determined for all species. Coprocultures facilitated identification...

Avian malaria (Plasmodium relictum) caused significant mortality in wild-caught Magellanic penguins (Spheniscus magellanicus) 1986 at the Blank Park Zoo Des Moines, Iowa (USA). In early winter, wild birds were captured off southern coast of Chile and flown to Detroit, Michigan for a 38 day quarantine. After quarantine, 18 dispersed Lansing, Michigan, six facility Maine, 46 Iowa. Upon arrival several became weak inactive, had be force-fed, died after 2 days. Gross lesions postmortem included...

Summary Forty‐four seasonally pruritic horses and 21 asymptomatic in Florida, USA, were tested for insect, grass mould hypersensitivity by intradermal injection of allergenic extracts. The affected ranged age from 10 months to over 30 years included a variety breeds. Affected reacted varying dilutions extracts made Culicoides , mosquitoes, horse flies black flies. Reactions more intense than those caused antigens other arthropods. Mild pruritus existed the end February until June when...

To determine the frequency of enteropathogens in dogs entering an animal shelter with normal feces or diarrhea.Cross-sectional study.100 evaluated at open-admission municipal Florida.Fecal samples were collected within 24 hours after admission from 50 and diarrhea. Feces tested by fecal flotation, antigen testing, PCR assay, electron microscopy for selected enteropathogens.13 identified. Dogs diarrhea significantly more likely to be infected ≥ 1 (96%) than (78%). Only Clostridium perfringens...

This is a report of the isolation and in vitro propagation merozoites Sarcocystis falcatula. Culture-derived S. falcatula remained infectious after several passages tissue culture as determined by susceptibility experimentally inoculated Melopsittacus undulatus that died pulmonary sarcocystosis experimental inoculation. There was no obvious clinical disease or lesion when neurona were used to inoculate M. undulatus. On basis biological infectivity data, are not synonymous suggested from...

Equine protozoal myeloencephalitis (EPM) is a neurologic disease of horses caused by Sarcocystis neurona. The horse dead-end host for S. neurona and the definitive intermediate hosts have not previously been identified. We hypothesized that actually falcatula, parasite cycles in nature between Virginia opossums (Didelphis virginiana) any variety avian hosts. extracted DNA from falcatula sarcocysts muscle brown-headed cowbird (Molothrus ater) schizonts fixed specimen lung Moluccan cockatoo...