Towards the selection of cattle for tick resistance in Africa

Half-body tick collections and visual assessment of tick burdens were performed monthly over six months on 100 bulls at the Kenya National Boran Stud, Mutara Ranch, Kenya. Boophilus decoloratus predominated among several tick species infesting the animals. Burdens of B. decoloratus and total tick bu...

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Bibliographic Details
Published in:Experimental & applied acarology 1991-10, Vol.12 (3-4), p.219-227
Main Authors: DE CASTRO, J. J, CAPSTICK, P. B, NOKOE, S, KIARA, H, RINKANYA, F, SLADE, R, OKELLO, O, BENNUN, L
Format: Article
Language:English
Subjects:
Acari
africa
afrique
Animals
Biological and medical sciences
boophilus decoloratus
Breeding
bulls
Cattle
Cattle Diseases - immunology
Female
Immunity, Innate - genetics
Infectious diseases
Ixodidae
Kenya
Male
Medical sciences
Miscellaneous
Parasitic diseases
pest resistance
resistance aux organismes nuisibles
resistencia a las plagas
seleccion
selection
Skin - anatomy & histology
taureau
Tick Infestations - immunology
Tick Infestations - veterinary
Ticks - growth & development
Ticks - immunology
toro
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Summary:Half-body tick collections and visual assessment of tick burdens were performed monthly over six months on 100 bulls at the Kenya National Boran Stud, Mutara Ranch, Kenya. Boophilus decoloratus predominated among several tick species infesting the animals. Burdens of B. decoloratus and total tick burdens were highly correlated. Rankings of relative tick resistance among bulls were consistent from month to month. Rankings based on visual assessment were very close to those based on actual tick burdens. Animals with thin skins appeared to carry fewer ticks, but tick burden bore no relationship to coat colour. The results suggest that simple visual inspection of total tick burdens may be a suitable basis for the selection of tick resistance in cattle.
ISSN:0168-8162
1572-9702
DOI:10.1007/BF01193468