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OJVRTM
Online Journal of Veterinary Research©
(Including Medical and Laboratory Research)
Established 1994
ISSN 1328-925X
Volume
30 (2): 88-97, 2026.
Bovine zebu genes resistant to triponomiasis.
Achukwi MD, Ibeagha-Awemu EM, Musongong GA, Erhardt G.
Institute of Agricultural Research for Development
(IRAD), Wakwa Regional Centre, Veterinary Research
Laboratory. 5 Ngaoundere Cameroon. Institute of Animal Breeding and Genetics, Justus-Liebig-University
Giessen, Germany, Department of Animal Science, McGill University,
Canada
Achukwi MD, Ibeagha-Awemu EM, Musongong GA, Erhardt G, Bovine zebu genes resistant to triponomiasis,
Onl J Vet Res,
30 (2):88-97, 2026. We
exposed 15 Bos taurus (Doayo) weaners and
22 Bos indicus
(Fulani) zebu weaners for 1 year to trypanosoma
vector challenge. Seven microsatellite zebu alleles
markers eliminated highly-introgressed Bos taurus from Bos indicus. Packed
cell volumes and trypanosome were determined every 7 days and all became infected. Zebu cattle
down regulated parasitemia (P<0.005) compared with
B taurus. In both, blood red cells declined (P <
0.01) but more (P < 0.01) in Bos indicus.
Key words: Zebu, Bos Taurus, alleles,
introgression, trypanosomosis,
haematocrit,
trypanotolerance.
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