Search Results - "Leak, S G"

The incidence of new and the prevalence and persistence of recurrent trypanosome infections in cattle in southwest Ethiopia exposed to a high challenge with drug-resistant parasites by Rowlands, G.J, Leak, S.G.A, Peregrine, A.S, Nagda, S.M, Mulatu, Woudyalew, d'Ieteren, G.D.M

“…A method is described for calculating new infection incidence from monthly field data collected between April 1994 and February 1998 from an average of 770…”
Get full text

Use of insecticide‐impregnated targets for the control of tsetse flies (Glossina spp.) and trypanosomiasis occurring in cattle in an area of south‐west Ethiopia with a high prevalence of drug‐resistant trypanosomes by Leak, S. G. A., Peregrine, A. S., Mulatu, W., Rowlands, G. J., D'leteren, G.

“…Summary In the Ghibe valley, south‐west Ethiopia, a tsetse control trial using deltamethrin‐impregnated targets was started in May 1990. The mean relative…”
Get full text

Advance of Glossina morsitans submorsitans and G. pallidipes along the Ghibe-river system in southwest Ethiopia by Leak, S G, Mulatu, W

Get more information

Use of deltamethrin 'pour-on' insecticide for the control of cattle trypanosomosis in the presence of high tsetse invasion by Rowlands, G. J., Leak, S. G. A., Mulatu, Woudyalew, Nagda, S. M., Wilson, A., D'Ieteren, G. D. M.

“…Summary A deltamethrin ‘pour‐on’ insecticide was applied monthly to over 2000 cattle exposed to a high challenge of drug‐resistant trypanosomes and high tsetse…”
Get full text

Epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia. 3. Occurrence of populations of Trypanosoma congolense resistant to diminazene, isometamidium and homidium by Codjia, V, Mulatu, W, Majiwa, P A, Leak, S G, Rowlands, G J, Authié, E, d'Ieteren, G D, Peregrine, A S

“…In July 1989, blood samples were collected from parasitaemic cattle in the Ghibe valley, Ethiopia, frozen in liquid nitrogen and transported to Nairobi, Kenya…”
Get more information

Epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia. 2. Factors associated with variations in trypanosome prevalence, incidence of new infections and prevalence of recurrent infections by Rowlands, G J, Mulatu, W, Authié, E, d'Ieteren, G D, Leak, S G, Nagda, S M, Peregrine, A S

“…An average of 840 East African Zebu cattle from nine herds in the Ghibe valley, southwest Ethiopia were monitored from January 1986 to April 1990. Each month…”
Get more information

Epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia. 1. Tsetse challenge and its relationship to trypanosome prevalence in cattle by Leak, S G, Mulatu, W, Authié, E, d'Ieteren, G D, Peregrine, A S, Rowlands, G J, Trail, J C

“…In this, the first of a series of papers on the epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia, the tsetse populations and…”
Get more information

Glossina fusca group tsetse as vectors of cattle trypanosomiasis in Gabon and Zaire by Leak, S G, Colardelle, C, D'Ieteren, G, Dumont, P, Feron, A, Jeannin, P, Minengu, M, Mulungu, M, Ngamuna, S, Ordner, G

“…1. The significance of Glossina fusca group tsetse flies as vectors of cattle trypanosomiasis was examined using biconical traps to survey tsetse populations…”
Get more information

Occurrence of Glossina nashi Potts 1955 Diptera-Glossinidae in the Republic of Gabon by Leak, S G, Jeannin, P

“…Glossina nashi, a little known species of tsetse fly, inhabits the forests of central Africa. It has recently been detected in the Province of Haut Ogooué in…”
Get more information

Human population growth and the extinction of the tsetse fly by Reid, Robin S., Kruska, Russell L., Deichmann, Uwe, Thornton, Philip K., Leak, Stephen G.A.

“…Agricultural expansion is a major cause of biodiversity loss worldwide. In Africa, biologists have observed that the populations of some tsetse species, which…”
Get full text

Estimating the effects of tsetse control on livestock productivity - a case study in southwest Ethiopia by Rowlands, G.J, Mulatu, W, Leak, S.G.A, Nagda, S.M, D'Ieteren, G.D.M

“…A tsetse control campaign was started in January 1991 using a synthetic pyrethroid cypermethrin 'pour-on' applied monthly to cattle exposed to high levels of…”
Get full text

Effect of tsetse control on trypanosome prevalence in livestock: problems of experimental design and statistical interpretation—A case study in northern Côte d'Ivoire by Rowlands, G.J., Coulibaly, L., Hecker, P.A., d'Ieteren, G.D.M., Leak, S.G.A., Authié, E.

“…As part of a study on livestock productivity under trypanosomosis risk in the region of Boundiali, northern Côte d'Ivoire, 21 herds of cattle (N'Dama, Baoulé…”
Get full text

Occurrence ofGlossina nashi Potts 1955 Diptera ? Glossinidae in the Republic of Gabon by Leak, S. G. A., Jeannin, P.

Get full text

Epidemiology of animal trypanosomiasis on a cattle ranch in Kilifi, Kenya by Paling, R W, Leak, S G, Katende, J, Kamunya, G, Moloo, S K

“…A study of the epidemiology of animal trypanosomiasis was carried out on a 2500 ha cattle ranch, with a history of trypanosomiasis, in the Coast Province of…”
Get more information

Relationships between tsetse challenge and trypanosome prevalence in trypanotolerant and susceptible cattle by Leak, S. G. A., Collardelle, C., Coulibaly, L., Dumont, P., Feron, A., Hecker, P., D'Ieteren, G. D., Jeannin, P., Minengu, M., Minja, S., Mulatu, W., Nankodaba, G., Ordner, G., Rowlands, G. J., Sauveroche, B., Tikubet, G., Trail, J. C. M.

Get full text