Results 21 to 30 of about 1,181 (156)

RA92A recombinant protein as immunogen to protect cattle against tick challenge in Brazil and Uganda

Bioscience Journal, 2021
In this study, the recombinant gut protein rRa92A produced in Pichia pastoris yeast cells was used to immunize cattle in two experiments, one in Brazil and the other in Uganda. In both experiments, the animals were intramuscularly (IM) injected with 200
Rodrigo Casquero Cunha, Margaret Saimo-Kahwa, Marcos, Francisco Denis Souza Santos, Emukule Samuel, Nanteza Ann, Kokas Ikwap, Claire Julie Akwongo, Fábio Pereira Leivas Leite, Renato Andreotti   +9 more
doaj   +3 more sources

Ticks on pastures and on two breeds of cattle in the Eastern Cape province, South Africa

Onderstepoort Journal of Veterinary Research, 2011
Many studies on the population dynamics of questing ticks on pastures and of parasitic ticks on cattle have been conducted. Few, however, have attempted to link the two in a single study.
Nkululeko Nyangiwe, Sindisile Goni, Louis P. Hervé-Claude, Inga Ruddat, Ivan G. Horak   +4 more
doaj   +1 more source

Ticks associated with the three largest wild ruminant species in Southern Africa

Onderstepoort Journal of Veterinary Research, 2007
The objective of this study was to assess the host status of the three largest southern African wild ruminants, namely giraffes, Giraffa camelopardalis, African buffaloes, Syncerus caffer, and eland, Taurotragus oryx for ixodid ticks.
I.G. Horak, H. Golezardy, A.C. Uys
doaj   +1 more source

Spatial clustering of fourteen tick species across districts of Zimbabwe

BMC Veterinary Research, 2021
Background Ticks transmit several diseases that result in high morbidity and mortality in livestock. Tick-borne diseases are an economic burden that negatively affect livestock production, cost countries billions of dollars through vaccine procurement ...
Munyaradzi Davis Shekede, Silvester Maravanyika Chikerema, Moregood Spargo, Isaiah Gwitira, Samuel Kusangaya, Aldridge Nyasha Mazhindu, Daud Nyosi Ndhlovu   +6 more
doaj   +1 more source

The dynamics of questing ticks collected for 164 consecutive months off the vegetation of two landscape zones in the Kruger National Park (1988–2002). Part II. Rhipicephalus appendiculatus and Rhipicephalus zambeziensis

Onderstepoort Journal of Veterinary Research, 2011
The study aimed to assess the long-term population dynamics of questing Rhipicephalus appendiculatus and Rhipicephalus zambeziensis in two landscape zones of the Kruger National Park (KNP).
Arthur M. Spickett, Gordon J. Gallivan, Ivan G. Horak   +2 more
doaj   +1 more source

Theileriosis (Cytauxzoonosis) in Roan antelope (Hippotragus equinus): Field exposure to infection and identification of potential vectors

Onderstepoort Journal of Veterinary Research, 2012
Four hand-reared, naïve roan antelope, 4 months of age, were exposed to naturally infected pasture on a game farm in Mpumalanga Province, South Africa, where roan are known to die from theileriosis.
Johan C.A. Steyl, Leon Prozesky, Wilhelm H. Stoltsz, John A. Lawrence   +3 more
doaj   +1 more source

Distribution and molecular identification of ixodid ticks infesting cattle in Kilombero and Iringa Districts, Tanzania

BMC Veterinary Research, 2023
Background Hard ticks infesting cattle are vectors of Tick-borne diseases that causes major public health problems and considerable socioeconomic losses to the livestock industry in tropical and subtropical countries. A repeated cross-sectional study was
Walter S Magesa, Isihaka Haji, Edson Kinimi, Jahashi S Nzalawahe, Rudovick Kazwala   +4 more
doaj   +1 more source

Rickettsia spp. in Ticks of South Luangwa Valley, Eastern Province, Zambia

Microorganisms, 2023
Ticks are important vectors for Rickettsia spp. belonging to the Spotted Fever Group responsible for causing Rickettsiosis worldwide. Rickettsioses pose an underestimated health risk to tourists and local inhabitants. There is evidence of the presence of
Bruno S. J. Phiri, Simone Kattner, Lidia Chitimia-Dobler, Silke Woelfel, Celina Albanus, Gerhard Dobler, Thomas Küpper   +6 more
doaj   +1 more source

Prevalence and tick loads in Nguni cattle reared in different environmental conditions across four provinces of South Africa [PDF]

Veterinary World, 2022
Background and Aim: In tropical and subtropical countries, ixodid ticks are among livestock's most economically important ectoparasites. Although Nguni cattle from South Africa have adapted to harsh environments, it is unknown whether they will be ...
Ntanganedzeni O. Mapholi, C. Banga, K. Dzama, O. Matika, V. Riggio, N. Nyangiwe, A. Maiwashe   +6 more
doaj   +1 more source

Species composition and geographic distribution of ticks infesting cattle, goats and dogs in a temperate and in a subtropical region of south-east Africa

Onderstepoort Journal of Veterinary Research, 2009
The species and distribution of ticks infesting cattle, goats and dogs in the eastern region of the Eastern Cape Province, South Africa and Maputo Province, Mozambique were determined from collections made from these animals at 72 localities in the ...
I.G. Horak, N. Nyangiwe, C. De Matos, L. Neves   +3 more
doaj   +1 more source