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Browsing Research Articles (Veterinary Tropical Diseases) by Issue Date

Now showing items 1-20 of 277

Autochthonous canine babesiosis in The Netherlands

Matjila, P.T. (Tshepo); Nijhof, Ard M.; Taoufik, Amar; Houwers, Dirk J.; Teske, Erik; Penzhorn, Barend Louis; De Lange, Thamar; Jongejan, Frans (Elsevier, 2005-07)

Outbreaks of autochthonous babesiosis, caused by Babesia canis, occurred in The Netherlands in the spring and autumn of 2004 affecting 23 dogs. Nineteen animals recovered after treatment, whereas four dogs died. Adult ...
Tick, fly, and mosquito control : lessons from the past, solutions for the future

Peter, R.J.; Van den Bossche, Peter; Penzhorn, Barend Louis; Sharp, B. (Elsevier, 2005-09)

In order to continue to produce livestock in a sustainable fashion, it is suggested that what was used in the past will continue to form the mainstay of future control. For the foreseeable future, we must conserve what we ...
Molecular and serological detection of A. centrale- and A. marginale-infected cattle grazing within an endemic area

Molad, T.; Mazuz, M.L.; Fleiderovitz, L.; Fish, Lyn; Savitsky, I.; Krigel, Y.; Leibovitz, B.; Molloy, J.; Jongejan, Frans; Shkap, V. (Elsevier, 2006)

A reverse line blot hybridization (RLB) one-stage nested PCR (nPCR) for Anaplasma centrale and a nested PCR for Anaplasma marginale were used to detect infected cattle grazing within an endemic region in Israel. A novel ...
Control of gastrointestinal nematodes in goats on pastures in South Africa using nematophagous fungi Duddingtonia flagrans and selective anthelmintic treatments

Maingi, N.; Krecek, R.C.; Van Biljon, Nicolaas Johannes (Elsevier, 2006)

The effectiveness of selective anthelmintic treatments and use of nematophagous fungi Duddingtonia flagrans in reducing levels of gastrointestinal nematodes in goats was investigated at Onderstepoort, South Africa. Nineteen ...
Wildlife tuberculosis in South African conservation areas: implications and challenges

Michel, Anita Luise; Bengis, Roy G.; Keet, D.F.; Hofmeyr, Markus; De Klerk, L.M.; Cross, Paul C.; Jolles, Anna E.; Cooper, Dave; Whyte, I.J.; Buss, Peter E.; Godfroid, Jacques; De Klerk-Lorist, Lin Mari (Elsevier, 2006)

Tuberculosis, caused by Mycobacterium bovis, was first diagnosed in African buffalo in South Africa's Kruger National Park in 1990. Over the past 15 years the disease has spread northwards leaving only the most northern ...
Comparison of the virulence of Trypanosoma congolense strains isolated from cattle in a trypanosomiasis endemic area of eastern Zambia

Masumu, Justin; Marcotty, Tanguy; Geysen, Dirk; Geerts, Stanny; Vercruysse, J.; Dorny, P.; Van den Bossche, Peter (Elsevier, 2006)

The virulence of 31 genetically different Trypanosoma congolense strains belonging to the Savannah subgroup and isolated from cattle at 11 sites in a trypanosomiasis endemic area of eastern Zambia was compared. Virulence ...
Babesiosis of wild carnivores and ungulates

Penzhorn, Barend Louis (Elsevier, 2006)

Although large and small piroplasms have been reported from various wild carnivore and ungulate species, relatively few have been named. In the past, mere presence of a piroplasm in a specific host frequently prompted ...
The South African form of severe and complicated canine babesiosis : clinical advances 1994–2004

Jacobson, Linda S. (Elsevier, 2006)

Babesia (canis) rossi infection is common in dogs in South Africa, and frequently causes severe, life-threatening disease. Acidemia, persistent hyperlactatemia, hemoconcentration, elevated creatinine, cerebral babesiosis, ...
Babesia conradae, sp. Nov., a small canine Babesia identified in California

Kjemtrup, Anne M.; Wainwright, Katlyn; Miller, Melissa; Penzhorn, Barend Louis; Carreno, Ramon A. (Elsevier, 2006)

Small piroplasms as a cause of canine babesiosis have usually been identified as Babesia gibsoni. Recent genetic studies suggested that small piroplasms are more likely comprised of at least three genotypically distinct ...
Gene silencing of the tick protective antigens, Bm86, Bm91 and subolesin, in the one-host tick Boophilus microplus by RNA interference

Nijhof, Ard M.; Taoufik, Amar; De la Fuente, Jose; Kocan, Katherine M.; De Vries, Erik; Jongejan, Frans (Elsevier, 2006-05)

The use of RNA interference (RNAi) to assess gene function has been demonstrated in several three-host tick species but adaptation of RNAi to the one-host tick, Boophilus microplus, has not been reported. We evaluated the ...
The effect of starvation on the susceptibility of teneral and non-teneral tsetse flies to trypanosome infection

Kubi, C.; Van den Abbeele, Jan; De Deken, R.; Marcotty, Tanguy; Dorny, P.; Van den Bossche, Peter (Blackwell, 2006-12)

Transmission of vector-borne diseases depends largely on the ability of the insect vector to become infected with the parasite. In tsetse flies, newly emerged or teneral flies are considered the most likely to develop a ...
Ehrlichia ruminantium variants which do not cause heartwater found in South Africa

Allsopp, M.T.E.P.; Van Strijp, M.F.; Faber, E.; Josemans, A.I.; Allsopp, Basil A. (Elsevier, 2007-02)

In 1994 a batch of apparently healthy goats was selected for intended export to the USA from a heartwater-free and vector tick-free region of South Africa. The animals were tested serologically for heartwater, using either ...
Comparison of the survival on ice of thawed Theileria parva sporozoites of different stocks cryoprotected by glycerol or sucrose

Mbao, V.; Berkvens, Dirk; Dorny, P.; Van den Bossche, Peter; Marcotty, Tanguy (Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-03)

Stabilates of Theileria parva sporozoites are mostly delivered in liquid nitrogen tanks to the East Coast fever immunization points. Using an in vitro titration model, we assessed the loss of infectivity of several ...
Goats as alternative hosts of cattle ticks

Nyangiwe, Nkululeko; Horak, Ivan Gerard (Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-03)

The objective of this study was to compare the presence on goats and cattle of adult ticks that usually infest cattle. To this end ticks collected from sets of five goats were compared with those collected from sets of ...
Molecular characterisation of Babesia gibsoni infection from a Pit-bull terrier pup recently imported into South Africa

Matjila, P.T. (Tshepo); Penzhorn, Barend Louis; Leisewitz, Andrew L.; Bhoora, Raksha; Barker, R. (South African Veterinary Association, 2007-03)

Please refer to abstract in article
Climate change and the genus Rhipicephalus (Acari : Ixodidae) in Africa

Olwoch, Jane Mukarugwiza; Van Jaarsveld, A.S.; Scholtz, Clarke H.; Horak, Ivan Gerard (Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-03)

The suitability of present and future climates for 30 Rhipicephalus species in Africa are predicted using a simple climate envelope model as well as a Division of Atmospheric Research Limited-Area Model (DARLAM). DARLAM's ...
Ticks (Acari : Ixodidae) collected from animals in three western, semi-arid nature reserves in South Africa

Golezardy, Habib; Horak, Ivan Gerard (Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-03)

The objective of this study was to make an inventory of the ixodid tick species infesting wild animals in three western, semi-arid nature reserves in South Africa. To this end 22 animals in the Kgalagadi Transfrontier Park, ...
Absence of lumpy skin disease virus in semen of vaccinated bulls following vaccination and subsequent experimental infection

Osuagwuh, Uchebuchi I.; Bagla, Victor P.; Venter, Estelle Hildegard; Annandale, C.H. (Cornelius Henry); Irons, Peter Charles (Elsevier, 2007-03-08)

Twelve serologically negative bulls were used, six were vaccinated with a modified live LSD vaccine and six unvaccinated. All were then experimentally infected with a virulent field strain of LSDV. No clinical abnormality ...
Protection against heartwater by DNA immunisation with four Ehrlichia ruminantium open reading frames

Pretorius, Alri; Collins, Nicola E.; Steyn, H.C.; Van Strijp, M.F.; Van Kleef, Mirinda; Allsopp, Basil A. (Elsevier, 2007-03-08)

We have reported previously that a recombinant DNA vaccine consisting of four Ehrlichia ruminantium (Welgevonden) open reading frames (ORFs) known as the 1H12 cocktail provided protection against a virulent E. ruminantium ...
Characterisation of a SAT-1 outbreak of foot-and-mouth disease in captive African buffalo (Syncerus caffer) : clinical symptoms, genetic characterisation and phylogenetic comparison of outbreak isolates

Vosloo, Wilna; De Klerk, L.M.; Boshoff, C.I.; Botha, B.M.; Dwarka, Rahana M.; Keet, D.F.; Haydon, Daniel T.; De Klerk-Lorist, Lin Mari (Elsevier, 2007-03-10)

African buffalo (Syncerus caffer) play an important role in the maintenance of the SAT types of foot-and-mouth disease (FMD) in southern Africa. These long-term carriers mostly become sub-clinically infected, maintaining ...

Now showing items 1-20 of 277

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