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VetMed Resource

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

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AbstractFull Text

The objective of the study was to record the tick species collected from three species of tortoise, each in a different province of South Africa. Ticks were collected from leopard tortoises, Stigmochyles pardalis, in the southern region of the Kruger National Park, Mpumalanga province; from...

Author(s)
Horak, I. G.; Pearcy, A.; Lloyd, K. J.
Publisher
AOSIS OpenJournals, Tygervalley, South Africa
Citation
Onderstepoort Journal of Veterinary Research, 2017, 84, 1, pp a1303
Abstract

A total of 586 reptiles, belonging to 35 species and five subspecies, were examined in surveys aimed at determining the species spectrum and geographic distribution of ticks that infest them. Of these reptiles 509 were tortoises, 28 monitor or other lizards, and 49 snakes. Nine ixodid tick species, ...

Author(s)
Horak, I. G.; McKay, I. J.; Henen, B. T.; Heyne, H.; Hofmeyr, M. D.; Villiers, A. L. de
Publisher
Onderstepoort Veterinary Institute, Onderstepoort, South Africa
Citation
Onderstepoort Journal of Veterinary Research, 2006, 73, 3, pp 215-227
Abstract

In recent years, numerous studies have examined the effect of host sex and age on the structure of parasite communities in several host taxa under various environmental conditions and in different geographic regions. However, the influence of such factors on the structure of host-parasite networks...

Author(s)
Junker, K.; Boomker, J.; Horak, I. G.; Krasnov, B. R.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Parasitology Research, 2022, 121, 11, pp 3249-3267
Abstract

South Africa has a diverse fauna of ixodid tick species, several of which are of medical or veterinary importance. Elucidation of which host or environmental characteristics determine the composition and abundance of tick assemblages is, therefore, highly relevant to disease management and wildlife ...

Author(s)
Horak, I. G.; Junker, K.; Krasnov, B. R.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Parasitology, 2022, 149, 5, pp 667-674
Abstract

As changes in the environment have brought wild and domestic animals into closer proximity, cross-species disease transmission has become a major concern in wildlife conservation. The worldwide impacts of tick-borne diseases require an understanding of pathogen transmission dynamics across...

Author(s)
Espinaze, M. P. A.; Hellard, E.; Horak, I. G.; Cumming, G. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Biological Conservation, 2018, 221, pp 228-236
Abstract

Parasite surveys were conducted for 1-2 years in the Kruger National Park (KNP), South Africa on blue wildebeest, impalas, greater kudus, common warthogs and scrub hares. The host associations of some of the gastrointestinal nematode species infecting ≥60% of at least one of the five host species,...

Author(s)
Horak, I. G.; Boomker, J.; Junker, K.; Gallivan, G. J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Parasitology, 2021, 148, 6, pp 740-746
AbstractFull Text

The distributions of endemic tick vector species as well as the presence of species not endemic to Free State Province, South Africa, were determined during surveys or opportunistic collections from livestock, wildlife and vegetation. Amongst endemic ticks, the presence of Rhipicephalus...

Author(s)
Horak, I. G.; Jordaan, A. J.; Nel, P. J.; Heerden, J. van; Heyne, H.; Dalen, E. M. van
Publisher
AOSIS OpenJournals, Tygervalley, South Africa
Citation
Journal of the South African Veterinary Association, 2015, 86, 1, pp Art. #1255
AbstractFull Text

Eight ixodid tick species were collected from 173 African savanna elephants (Loxodonta africana) in Kenya, northern Mozambique and Zimbabwe, and two species were collected from six African forest elephants (Loxodonta cyclotis) in the Republic of Congo. A new host record is reported for Amblyomma...

Author(s)
Kariuki, E.; Kutima, H.; Kock, M.; Horak, I. G.; Jooste, R.; Neves, L.
Publisher
AOSIS OpenJournals, Tygervalley, South Africa
Citation
Onderstepoort Journal of Veterinary Research, 2019, 86, 1,
AbstractFull Text

The objectives of the study were to determine the species composition of ticks infesting white and black rhinoceroses in southern Africa as well as the conservation status of those tick species that prefer rhinos as hosts. Ticks were collected opportunistically from rhinos that had been immobilised ...

Author(s)
Horak, I. G.; Boshoff, C. R.; Cooper, D. V.; Foggin, C. M.; Govender, D.; Harrison, A.; Hausler, G.; Hofmeyr, M.; Kilian, J. W.; MacFadyen, D. N.; Nel, P. J.; Peinke, D.; Squarre, D.; Zimmermann, D.
Publisher
AOSIS OpenJournals, Tygervalley, South Africa
Citation
Onderstepoort Journal of Veterinary Research, 2017, 84, 1, pp a1301
AbstractFull Text

The aim of the study was to determine the species spectrum of ixodid ticks that infest horses and donkeys in South Africa and to identify those species that act as vectors of disease to domestic livestock. Ticks were collected opportunistically from 391 horses countrywide by their owners or grooms, ...

Author(s)
Horak, I. G.; Heyne, H.; Halajian, A.; Booysen, S.; Smit, W. J.
Publisher
AOSIS OpenJournals, Tygervalley, South Africa
Citation
Onderstepoort Journal of Veterinary Research, 2017, 84, 1, pp a1302

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