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Veterinary information to support practice, based on evidence and continuing education

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Abstract

East Africa is a global hot spot for the diversity of ixodid ticks. As ectoparasites and as vectors of pathogens, ticks negatively affect the well-being of humans, livestock and wildlife. To prevent tick infestations, livestock owners and managers typically treat livestock with acaricides that kill ...

Author(s)
Keesing, F.; Ostfeld, R. S.; Young, T. P.; Allan, B. F.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Parasitology, 2018, 145, 3, pp 345-354
Abstract

The effects of formulated essential oils of Tagetes minuta and Tithonia diversifolia on Rhipicephalus appendiculatus infesting livestock were evaluated in semi-field experiments. Forty-five zebu cattle naturally infested with ticks were randomly selected from 15 herds, three animals from each. Of...

Author(s)
Wanzala, W.; Hassanali, A.; Mukabana, W. R.; Takken, W.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Journal of Pest Science, 2018, 91, 1, pp 395-404
Abstract

In African savannas, large mammals, both wild and domestic, support an abundant and diverse population of tick ectoparasites. Because of the density of ticks and the many pathogens that they vector, cattle in East Africa are often treated with acaricides. While acaricides are known to be effective...

Author(s)
Keesing, F.; Allan, B. F.; Young, T. P.; Ostfeld, R. S.
Publisher
Ecological Society of America, Washington, USA
Citation
Ecological Applications, 2013, 23, 6, pp 1410-1418
Abstract

Waterbuck (Kobus defassa), an ungulate species endemic to the Eastern African savannah, is suspected of being a wildlife reservoir for tick-transmitted parasites infective to livestock. Waterbuck is infested by large numbers of Rhipicephalus appendiculatus, the tick vector for Theileria parva, and...

Author(s)
Githaka, N.; Konnai, S.; Bishop, R.; Odongo, D.; Lekolool, I.; Kariuki, E.; Gakuya, F.; Kamau, L.; Isezaki, M.; Murata, S.; Ohashi, K.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2014, 202, 3/4, pp 180-193
Abstract

The primary objective of this study was to assess the impact of Rhipicephalus appendiculatus tick presence (exposure variable) on Theileria parva infection seroprevalence (outcome variable) in a group of cattle belonging to a farm using population attributable fractions (PAF). The analyses were...

Author(s)
Gachohi, J. M.; Kitala, P. M.; Ngumi, P. N.; Skilton, R. A.; Bett, B.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2013, 108, 2/3, pp 103-113
Abstract

Author(s)
Alia, D.
Publisher
Middle East Agrifood Publishers, Limassol, Cyprus
Citation
Bovine & Ovine, 2011, No.99/100, pp 56-58, 77
Abstract

A study was conducted in three districts around Lake Victoria; Kisumu (Kenya), Kiruhura (Uganda) and Tarime (Tanzania) to assess the farmers' perceptions on tick-borne diseases (TBDs) and resistance of their local cattle breeds to TBDs. Knowledge and perception of farmers on production constraints, ...

Author(s)
Chenyambuga, S. W.; Waiswa, C.; Saimo, M.; Ngumi, P.; Gwakisa, P. S.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2010, 22, 7, pp 135
Abstract

A quantitative measure for assessing the level of resistance of zebu cattle to R. appendiculatus is discussed. Basic data for the derivation of the mathematical index were from artificial infestation of cattle with adults, nymphs and larvae of the Rusinga Island stock of the tick species. Observed...

Author(s)
Nokoe, S.; Capstick, P. B.; Latif, A. A.; Punyua, D. K.
Citation
Insect Science and its Application, 1993, 14, 1, pp 15-19
Abstract

Heritability of susceptibility to infection with T. parva was estimated from full sib families of R. appendiculatus. Male and female ticks of 2 stocks were mated singly. 19 full sib families of the Muguga stock and 17 full sib families of the Kiambu stock (from Kenya) were obtained. Nymphs of these ...

Author(s)
Young, A. S.; Dolan, T. T.; Mwakima, F. N.; Ochanda, H.; Mwaura, S. N.; Njihia, G. M.; Muthoni, M. W.; Dolan, R. B.
Citation
Parasitology, 1995, 111, 1, pp 31-38
Abstract

In Kenya, groups of Friesian cattle were infested repeatedly with R. appendiculatus at weekly intervals (8 infestations) and at intervals of 3 weeks (7 infestations) and 6 weeks (7 infestations). The engorgement weight of adults, nymphs and larvae decreased significantly initially, from the 2nd...

Author(s)
Dipeolu, O. O.; Mongi, A. O.; Essuman, S.; Amoo, A. O.; Ndungu, J. N.
Citation
Veterinary Parasitology, 1992, 41, 3-4, pp 293-320

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