Zobrazeno 1 - 10 of 26 pro vyhledávání: '"B L Leitch"'
1
Evaluation of infection and treatment methods in immunization of improved cattle against theileriosis in an endemic area of Kenya
Autor: J. J. De Castro, S.K. Mbogo, A.S. Young, S.G. Ndungu, J.G. Grootenhuis, B. L. Leitch, T.T. Dolan
Publikováno v: Veterinary Parasitology. 35:239-257
Five experiments were carried out to determine the efficacy of immunization against theileriosis in an endemic area of Kenya using artificial infection with a mixture of stabilates of Theileria parva stock or natural infection and treatment with parv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e632a2227114e6b1e3f243251f776ddb
https://doi.org/10.1016/0304-4017(90)90059-k
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2
Maintenance of Theileria parva parva infection in an endemic area of Kenya
Autor: M. P. Cunningham, R. M. Newson, A.S. Young, B. L. Leitch
Publikováno v: Parasitology. 93:9-16
SUMMARYThe maintenance of Theileria parva parva infection in an endemic area of Kenya on the shore of Lake Victoria was studied in the field and laboratory. High prevalences of antibodies against T. parva and T. mutans and intra-erythrocytic piroplas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2837d15b12fda6188c2a4c44192a7845
https://doi.org/10.1017/s0031182000049787
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3
Development and survival of Theileria parva parva in Rhipicephalus appendiculatus exposed in the Trans-Mara, Kenya
Autor: B. L. Leitch, S. P. Morzaria, A. D. Irvin, P. L. Omwoyo, A.S. Young, J. J. De Castro
Publikováno v: Parasitology. 94:433-441
Nymphal Rhipicephalus appendiculatus (Trans-Mara) were fed on a steer infected with a Theileria parva parva (Kilae 1) stock isolated from an indigenous steer in the Trans-Mara Division, Kenya, which had a high piroplasm parasitaemia. A total of 5000
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::758a5f6007fd03d561292a78b2daf099
https://doi.org/10.1017/s0031182000055785
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4
Identification ofTheileriainfections in living salivary glands of ticks
Autor: A. S. Young, B. L. Leitch, D. A. Stagg, T. T. Dolan
Publikováno v: Parasitology. 86:519-528
SUMMARYIt was found that interference contrast microscopy gave good morphological differentiation of the living and intact salivary glands from adult ixodid ticks,Rhipicephalus appendiculatusandAmblyomrna variegatum, removed by dissection. In many ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba09c6678c950f82b990a2f07d63fca9
https://doi.org/10.1017/s0031182000050708
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5
The initial stages of infection of cattle cells with Theileria parva sporozoites in vitro
Autor: B. L. Leitch, A. S. Young, T. T. Dolan, D. A. Stagg
Publikováno v: Parasitology. 83:191-197
SUMMARYLarge numbers of Theileria parva sporozoites were separated from Rhipicephalus appendiculatus adult ticks by filtration and were then concentrated by centrifugation. The sporozoites were incubated at 37 °C with leucocytes from 6 cattle of Bos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1333b158059ba74d902f662bf44b63a
https://doi.org/10.1017/s0031182000050150
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7
The development of Theileria = Cytauxzoon taurotragi (Martin and Brocklesby, 1960) from eland in its tick vector Rhipicephalus appendiculatus
Autor: J. G. Grootenhuis, A. S. Young, B. L. Leitch, E. Schein
Publikováno v: Parasitology. 81:129-144
SUMMARYThe sexual cycle of Theileria taurotragi was identified in the gut lumen of replete Rhipicephalus appendiculatus nymphs maintained at 28°C which had fed on eland with rising parasitaemias. Macro- and microgametes developed from ring-form piro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84ca827c53d79d9a6f6c7ff99547f13b
https://doi.org/10.1017/s0031182000055104
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8
Infection of African buffalo (Syncerus caffer) and cattle with Theileria parva lawrencei after serial passage in cattle
Autor: T. T. Dolan, D. A. Stagg, A. S. Young, J. G. Grootenhuis, B. L. Leitch, Patricia A. Conrad
Publikováno v: Research in Veterinary Science. 42:326-330
The infectivity of a Theileria parva lawrencei stabilate, from a stock derived from an African buffalo (Syncerus caffer) in the Serengeti National Park, Tanzania, was investigated. In the first experiment a buffalo and three cattle were inoculated wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b3dfadd76bcaefd81f0b7dee391adea
https://doi.org/10.1016/s0034-5288(18)30712-4
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9
The effect of irradiation on the susceptibility of Rhipicephalus appendiculatus ticks to Theileria parva infection
Autor: D. A. E. Dobbelaere, A. D. Irvin, B. L. Leitch, A. S. Young
Publikováno v: Parasitology. 82:473-479
SUMMARYIrradiation doses of 800 rad. or less had no detectable effect on the subsequent development of unfed nymphal Rhipicephalus appendiculatus ticks. Doses of 1600 rad. or above impaired feeding and moulting and delayed the subsequent development
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c28635afe887a56e9497e7b98a03d22d
https://doi.org/10.1017/s0031182000067007
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