Zobrazeno 1 - 10
of 40
pro vyhledávání: '"J D, Bezuidenhout"'
Autor:
J D, Bezuidenhout
Publikováno v:
Journal of the South African Veterinary Association. 82(4)
The history of sheep scab is briefly discussed since it was first mentioned in 180 BC. It was probably introduced to South Africa by the early settlers and was mentioned as a problem by Simon van der Stel, although its cause was only discovered in 18
Autor:
J D, Bezuidenhout
Publikováno v:
Journal of the South African Veterinary Association. 80(4)
Heartwater was first recognised and recorded in South Africa as early as 1838. Since then the disease has been described from almost all the countries in Africa south of the Sahara, from certain islands around Africa and from a number of islands in t
Autor:
J D Bezuidenhout
Publikováno v:
Journal of the South African Veterinary Association, Vol 82, Iss 4, Pp 188-189 (2011)
The history of sheep scab is briefly discussed since it was first mentioned in 180 BC. It was probably introduced to South Africa by the early settlers and was mentioned as a problem by Simon van der Stel, although its cause was only discovered in 18
Autor:
J D, Bezuidenhout
Publikováno v:
Revue d'elevage et de medecine veterinaire des pays tropicaux. 46(1-2)
Many of the objectives identified earlier, with regard to research on cowdriosis, have been achieved during the past decade. Some contributions such as the development of Cowdria specific DNA probes and the attenuation of the organisms are still in t
Autor:
J L, Du Plessis, J D, Bezuidenhout, M S, Brett, E, Camus, F, Jongejan, S M, Mahan, D, Martinez
Publikováno v:
Revue d'elevage et de medecine veterinaire des pays tropicaux. 46(1-2)
Five serological tests, the indirect and competitive ELISA, the indirect fluorescent antibody (IFA) test with 2 different antigens and the Western blot technique were compared and applied to sera that were known to be either negative or positive agai
Publikováno v:
The Onderstepoort journal of veterinary research. 58(3)
Amblyomma hebraeum male and female ticks, experimentally infected as larvae with the Ball 3 stock of Cowdria ruminantium, were fed on a heartwater susceptible sheep. The initial attachment of the males was required as a pre-requisite for female attac
Autor:
J. D. Bezuidenhout
Publikováno v:
Ehrlichiosis ISBN: 9789401073943
A series of interesting and important research findings on cowdriosis have stimulated and renewed widespread interest in this disease. The most important development is the successful in-vitro cultivation of different stocks of the microorganism in b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46afb68089377f39f16c03e15967f125
https://doi.org/10.1007/978-94-009-1998-3_11
https://doi.org/10.1007/978-94-009-1998-3_11
Publikováno v:
The Onderstepoort journal of veterinary research. 53(4)
An enzyme-linked immunosorbent assay was used to detect Cowdria ruminantium antibodies during the course of heartwater disease. IgM antibodies reached a maximum on the 4th day after infection and disappeared on the 7th day. IgG antibodies first appea
Publikováno v:
The Onderstepoort journal of veterinary research. 53(1)
Studies performed on sheep showed that Rhipicephalus evertsi mimeticus is a paralysis-competent tick species whose toxicity is either the same as, or only slightly less than that of R.e. evertsi. It was also proved that the paresis or paralysis induc
Autor:
J D, Bezuidenhout
Publikováno v:
The Onderstepoort journal of veterinary research. 52(3)
The history of the main bovine tick-borne diseases occurring in South Africa and the role Onderstepoort played in their identification and control is briefly reviewed. The present attitudes regarding the control of tick-borne diseases, taking into ac