Results 21 to 30 of about 1,232 (170)

Tick infestation, and udder and teat damage in selected cattle herds of Matabeleland South, Zimbabwe

Onderstepoort Journal of Veterinary Research, 2009
A cross-sectional survey was conducted to determine tick infestation, and udder and teat damage in 286 lactating cows and heifers at six properties in the smallholder and commercial sectors in Gwanda district of Matabeleland South Province, Zimbabwe ...
D.N. Ndhlovu, P.V. Makaya, B.L. Penzhorn
doaj   +1 more source

Climate, vegetation and the distribution of Rhipicephalus appendiculatus in Africa

Parasitology Today, 1990
Parasitology Today 6 (1990) 100-104. doi:10.1016/0169-4758(90)90224-R ; Received by publisher: 0000-01-01 ; Harvest Date: 2016-01-04 12:21:46 ; DOI:10.1016/0169-4758(90)90224-R ; Page Range: 100 ...
International Laboratory for Research on Animal Diseases, PO Box 30709, Nairobi, Kenya ( host institution ), Perry, B.D. ( author ), Lessard, P. ( author ), Norval, R.A.I. ( author ), Kundert, K. ( author ), Kruska, R. ( author )   +5 more
openaire   +3 more sources

Acaricide efficiency of amitraz / cypermethrin and abamectin pour-on preparations in game

Onderstepoort Journal of Veterinary Research, 2005
The efficacy of an amitraz / cypermethrin pour-on preparation (1 % w/v each) was tested against natural tick infestations of buffaloes, eland and blesbok in three separate trials.
J.S. Van der Merwe, F.J. Smit, A.M. Durand, L.P. Kruger, L.M. Michael   +4 more
doaj   +1 more source

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 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

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

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

Serpins in the Spotlight: Novel Bioinformatic Insights Into <i>Hyalomma dromedarii</i> Sialotranscriptome. [PDF]

Biochem Res Int
Ticks pose a significant global threat to human and animal health as vectors of numerous pathogens, including bacteria, viruses, and parasites. Beyond their harmful impact, tick salivary glands contain serine protease inhibitors (serpins) known for their potential pharmaceutical properties.
Aounallah H, Ouni A, Faria F, Bouattour A, M'ghirbi Y.   +4 more
europepmc   +2 more sources

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

Identification and partial characterization of a gut Rhipicephalus appendiculatus cystatin

Ticks and Tick-borne Diseases, 2013
Vaccines are among the alternative tick control methods expected to replace at least in part the volumes of chemical acaricides currently used worldwide. However, a vaccination approach depends on a host immune response against proteins that are essential to tick physiology.
Saiki, Imamura, Satoru, Konnai, Shinji, Yamada, Luís F, Parizi, Naftaly, Githaka, Itabajara da S, Vaz, Shiro, Murata, Kazuhiko, Ohashi   +7 more
openaire   +2 more sources