Journal
PATHOGENS
Volume 12, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/pathogens12070945
Keywords
haemoparasites; poultry; distribution; infection; co-infection; prevalence; sub-Saharan Africa
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This study compiled existing data on haemoparasites of poultry in sub-Saharan Africa, investigating their occurrence, distribution, and prevalence. A literature search was conducted on three electronic search databases using specific search terms. The results identified 16 haemoparasites infecting various poultry species across multiple countries. Haemoproteus and Leucocytozoon species were the most common infections, recorded in eight out of ten reviewed countries. Mixed infections were observed in multiple poultry species, with co-infections by Plasmodium spp. and Haemoproteus spp. being the most common. This review provides crucial information for improving preventive and control measures of these parasites in sub-Saharan Africa.
This review collated existing data on the occurrence, distribution, and prevalence of haemoparasites of poultry in sub-Saharan Africa. A literature search was conducted on three electronic search databases using search terms and Boolean operators (AND, OR). The results recorded 16 haemoparasites, viz., Leucocytozoon spp., L. marchouxi, L. neavei, L. sabrazesi, L. schoutedeni, Haemoproteus columbae, H. pratasi, Haemoproteus spp., Plasmodium spp., P. gallinaceum, P. circumflexum, P. juxtanucleare, Trypanosoma avium, T. gallinarum, T. numidae, and Hepatozoon spp. from a wide range of poultry species distributed across Nigeria, Kenya, South Africa, Tanzania, Uganda, Botswana, Zimbabwe, Ghana, Cameroon, and Zambia. Infections due to Haemoproteus and Leucocytozoon species were the most common and documented in eight of the ten reviewed countries. The presence of mixed infections was observed in quails, pigeons, chickens, ducks, turkeys, and guineafowls, but predominantly in chickens. Co-infections by Plasmodium spp. and Haemoproteus spp. were the most common, which may be attributed to the distribution of these species, coupled with the availability of vectors they are associated with in areas from which they were documented. The information generated in this review is essential for improving existing preventive and control measures of these parasites in sub-Saharan Africa.
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