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Nematode worm burdens in Nguni cattle on communal rangelands in a semi-arid area of South Africa

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Author(s): M. C. Marufu, | C. Mapiye | M. Chimonyo

Journal: Research Opinions in Animal & Veterinary Sciences
ISSN 2221-1896

Volume: 1;
Issue: 6;
Start page: 360;
Date: 2011;
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Keywords: Coccidia | Indigenous Cattle | Season | Strongyles

ABSTRACT
A one year monitoring study was conducted to determine the egg loads and seasonal prevalence of gastrointestinal (GI) nematodes of Nguni cattle on communal rangelands in the Eastern Cape Province, South Africa. Faecal samples were collected per rectum once a season and examined by the modified McMaster technique using a saturated solution of sucrose and sodium chloride. Results revealed that 57.8 % of the cattle were infected with at least one GI nematode species. Strongyles (58.7 %) were the most prevalent GI nematode species. The prevalence and mean egg counts of all the parasite species identified showed a seasonal sequence with the highest faecal egg counts occurring in hot-dry season and the lowest in post-rainy season. Nguni cattle (0.09 ± 0.04) had significantly lower egg counts for Strongyloides species than non-descript cattle (0.30 ± 0.05) throughout the study period. The results suggest that GI nematodes have a moderate prevalence in Nguni cattle in the sweet and sour rangelands. Strategic control of these parasites needs to be done during hot-dry season to prevent clinical nematodoses.
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