Response of Nkedi Zebu and Ankole cattle to tick infestation and natural tick-borne, helminth and trypanosome infections in Uganda

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dc.contributor.authorMagona, Joseph W.
dc.contributor.authorWalubengo, John
dc.contributor.authorKabi, Frederick
dc.date.accessioned2022-12-11T11:25:27Z
dc.date.available2022-12-11T11:25:27Z
dc.date.issued2011
dc.description.abstractA cross-sectional study was conducted in Soroti district of Uganda to establish important traits of Nkedi Zebu and Ankole cattle regarding their production performance responses to natural infections of trypanosomes, gastrointestinal nematodes, Theileria parva, Babesia bigemina, Anaplasma marginale and tick infestations. Over four visits between October 2006 to August 2007, tick counts were performed and blood, faecal samples and sera were collected from the Nkedi Zebu (295) and Ankole (165) cattle from 86 herds in six locations per visit. Low parasitological prevalence of trypanosome infection (<6%) and high prevalence of gastrointestinal nematode infections (>30%) with low faecal egg counts (110–300 eggs per gramme (EPG)) were observed in the Nkedi Zebu and Ankole cattle. Both breeds had high, moderate and low mean counts of Rhipicephalus appendiculatus (18.0–24.0), Rhipecephalus (Boophilus) decoloratus (3.6–10.3) and Amblyomma variegatum ticks (1.7–4.3), respectively. In addition, both breeds had similar mean packed cell volumes (26.4–31.2) and a similar percentage of animals were anaemic (14.5–36.6%). The Nkedi Zebu cattle further had higher mean optical density (OD) values for antibodies against T. parva (1.093–1.445) and A. marginale infections (0.573–0.583), and significantly (P<0.001) higher mean OD values of antibodies against B. bigemina infections (1.07–2.175) than the Ankole cattle: T. parva (1.030– 1.302); A. marginale (0.442–0.603) and B. bigemina infections (0.863–2.154). The Ankole cows produced significantly more (P<0.001) milk per day (2.68 L) than the Nkedi Zebu cows (1.98 L), and the Ankole oxen had significantly higher (P<0.05) draught power output (2.57 days/acre) than the Nkedi Zebu oxen (2.93 days/ acre). Liveweights of calves aged 0–12 months of both breeds were comparable, suggesting that the Nkedi Zebu and Ankole cattle under similar disease challenge exhibited similar growth rates. In conclusion, the Nkedi Zebu cattle seem to possess a higher degree of disease resistance against endemic parasitic diseases, while the Ankole cattle seem to possess a moderate degree of disease resistance coupled with a moderate production potential.en_US
dc.identifier.citationMagona, J. W., Walubengo, J., & Kabi, F. (2011). Response of Nkedi Zebu and Ankole cattle to tick infestation and natural tick-borne, helminth and trypanosome infections in Uganda. Tropical animal health and production, 43(5), 1019-1033. DOI 10.1007/s11250-011-9801-9en_US
dc.identifier.other10.1007/s11250-011-9801-9
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/6151
dc.language.isoenen_US
dc.publisherTropical animal health and productionen_US
dc.subjectCattleen_US
dc.subjectBreeden_US
dc.subjectDisease responseen_US
dc.subjectProduction performanceen_US
dc.subjectUgandaen_US
dc.titleResponse of Nkedi Zebu and Ankole cattle to tick infestation and natural tick-borne, helminth and trypanosome infections in Ugandaen_US
dc.typeArticleen_US
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