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Prevalence and burden of gastrointestinal helminths in wild and domestic guineafowls (Numida meleagris) in the Southern Province of Zambia

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Asian Pacific Journal of Tropical Biomedicine 2015年第8期5卷 646-652页

作者： king shimumbo nalubamba Eugene Chisela Bwalya Ntombi Basimbi Mudenda Hetron Mweemba Munangandu Musso Munyeme David Squarre University of Zambia School of Veterinary Medicine Section of Aquatic Medicine and Nutrition Department of Basic Sciences and Aquatic Medicine Norwegian University of Life Sciences Faculty of Veterinary Medicine and BiosciencesUllev lsveien 72P.O.Box 8146 Dep 0033Oslo Norway Zambia Wildlife Authority Private Bag 1 Chilanga Zambia

Objective: To determine the gastrointestinal tract helminthic fauna in domestic and wild guineafowl in ***: Post-mortem and laboratory parasitological examinations for helminth identification and enumeration were conducted on 198 guineafowls(148 domestic and 50 wild) from November 2010 to October ***: All guineafowls were infested with one or more helminths. Eleven helminth species, namely, Raillietina echinobothrida, Raillietina tetragona, Raillietina cesticillus, Ascaridia galli, Allodapa suctoria, Gongylonema ingluvicola, Tetrameres spp., Heterakis spp., Acuaria spiralis, Syngamus trachea, and Streptocara pectinifera were identified with no trematodes recorded. Mean nematode burden between domestic and wild fowl showed no differences having 113.7 [confidence interval(CI) 98.9-128.6] and 108(CI 76.6-139.5) nematodes respectively. In contrast, female guineafowls had a mean of 151.9(CI 128.4-177.8) nematodes per host which was significantly more than the males that had a mean of 79.6(CI 66.8-94.4). However, there were differences in helminth species richness between domestic and wild guineafowls with domestic guineafowls having more species present at a mean of 4.2(CI 3.91-4.44) than the wild ones at a mean of 3.4(CI 2.92-3.88) but there were no sex differences. Eight of the eleven helminth species co-occurred in domestic and wild fowl and five of the helminth species had higher prevalence in domestic ***: Syngamus trachea, Streptocara pectinifera and Acuaria spiralis are reported for the first time in domestic poultry in Zambia. This study represents the first comparative study of helminths in domestic and wild guineafowls at an interface area and adds to the knowledge base in a discipline where a dearth currently exists.

关键词： Gastrointestinal helminths Guineafowl Numida meleagris

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Molecular detection and phylogenetic characterization of Rickettsia in ticks collected from leopard tortoise(Geochelone pardalis)in rural Zambia

Science in One Health

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Science in One Health 2024年第1期3卷 181-188页

作者： Cynthia Sipho Khumalo Malala Mulavu Katendi Changula Benjamin Mubemba Nchimunya Bubala Anne C.Martin Innocent Billy Ng'ombwa king shimumbo nalubamba Simbarashe Chitanga Walter Muleya Edgar Simulundu Department of Biomedical Sciences School of Veterinary MedicineUniversity of ZambiaLusakaZambia Department of Biomedical Sciences School of Health SciencesUniversity of ZambiaLusakaZambia Paraclinical Sciences Department School of Veterinary MedicineUniversity of ZambiaLusakaZambia Department of Wildlife Sciences School of Natural ResourcesCopperbelt UniversityKitweZambia Macha Research Trust ChomaZambia Department of Epidemiology Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreMD 21205USA Department of National Parks and Wildlife Wildlife Veterinary UnitChilangaZambia Clinical Studies Department School of Veterinary MedicineUniversity of ZambiaLusakaZambia Department of Preclinical Studies School of Veterinary MedicineUniversity of NamibiaWindhoekNamibia School of Life Sciences College of AgricultureEngineering and SciencesUniversity of KwaZulu-NatalDurbanSouth Africa Department of Disease Control School of Veterinary MedicineUniversity of ZambiaZambia

In sub-Saharan Africa,limited studies have investigated zoonotic pathogens that may be harboured by ticks infesting reptiles such as ***,we report the presence of pathogenic Rickettsia in ticks(Amblyomma marmoreum)collected from the leopard tortoise(Geochelone pardalis)in rural *** polymerase chain reaction,56%(49/87)of ticks were positive for the Rickettsia outer membrane protein(ompB)***-locus sequence and phylogenetic analysis based on the ompB,ompA,and citrate synthase(gltA)genes showed that the ticks carried ***,and other Rickettsia *** related to ***,***,*** and *** the proximity between humans,livestock,and wildlife in these habitats,there exists a considerable risk of transmission of zoonotic Rickettsia to human populations in this rural *** results call for heightened awareness and further research into the dynamics of tick-borne diseases in regions where humans and animals coexist,particularly in the context of tortoise-associated ticks as *** and addressing these potential disease vectors is crucial for effective public health measures and the prevention of Rickettsia zoonoses.

关键词： Rickettsia Leopard tortoise Phylogenetic analysis Amblyomma marmoreum Zambia

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