Výsledky vyhledávání - "B. D. Rennison"

Field trials of the rodenticide 5-p-chlorophenyl silatrane against wild rats (Rattus norvegicus Berk.)

Autor: B. D. Rennison

Publikováno v: Journal of Hygiene. 73:45-48

Rattus norvegicus infestations on six farmsteads were poisoned with 0.5% 5-p-chlorophenyl silatrane and those on another six with 2.5% zinc phosphide. Both poisons were applied in pinhead oatmeal bait containing also 5% corn oil, after pre-baiting. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a2145236e37adb38bee7f34cb376367
https://doi.org/10.1017/s0022172400023822

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Seasonal variation in numbers of the rabbit flea on the wild rabbit

Autor: B. D. Rennison, A. R. Mead-Briggs, J. A. Vaughan

Publikováno v: Parasitology. 70:103-118

Samples of rabbits were obtained throughout each month over the 4-year period 1967–70. All fleas were removed, sexed and counted and the reproductive condition of the rabbits recorded. Rabbit fleasSpilopsyllus cuniculi(Dale) were present on both se

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https://doi.org/10.1017/s0031182000048915

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Laboratory and field evaluation of pyriminyl as a poison for Rattus norvegicus

Autor: J. E. Gill, A. C. Dubock, R. Redfern, C. G. J. Richards, B. D. Rennison

Publikováno v: Journal of Hygiene. 84:347-354

SUMMARYLaboratory tests indicated that the optimum concentration for pyriminyl in rat baits was between 1% and 3%. In field trials in which 0·5% pyriminyl (the concentration in commercial use) was compared with 2·5% zinc phosphide for the control o

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https://doi.org/10.1017/s0022172400026875

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A comparative field trial, conducted without pre-treatment census baiting, of the rodenticides zinc phosphide, thallium sulphate and gophacide against Rattus norvegicus

Autor: B. D. Rennison

Publikováno v: Journal of Hygiene. 77:55-62

SUMMARYThe effectiveness of the single-dose poison treatments of farm rat infestations, analysed by comparing the weights of the post-treatment census bait takes in covariance with the weights of the prebait takes, showed that treatments with 2·5% z

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https://doi.org/10.1017/s0022172400055510

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Field trials of calciferol against warfarin resistant infestations of the Norway rat (Rattus norvegicus Berk.)

Autor: B. D. Rennison

Publikováno v: Journal of Hygiene. 73:361-367

SUMMARYThe effectiveness of calciferol (vitamin D2) against Rattus norvegicus was investigated in field trials on twenty-three farms with rat infestations partly resistant to warfarin. At 0·01% combined with warfarin at 0·025% no rodenticidal effec

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https://doi.org/10.1017/s0022172400042704

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Studies of the sampling ofGlossina pallidipesAust.—II. The daily pattern of flies caught on cattle, in Morris traps and on A fly-round

Autor: I. M. Smith, B. D. Rennison

Publikováno v: Bulletin of Entomological Research. 52:183-189

A series of catches ofG. pallidipesAust. was made in 1½-hr. periods between 0800 and 1830 hr. each day during two experiments carried out in the early wet season (1957) and the late dry season (1958), at Lugala, Uganda, using tethered, small, shorth

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https://doi.org/10.1017/s0007485300055346

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Studies of the sampling of Glossina pallidipes Aust. I.—The numbers caught daily on cattle, in Morris traps and on a fly-round

Autor: I. M. Smith, B. D. Rennison

Publikováno v: Bulletin of Entomological Research. 52:165-182

Two experiments in which G. pallidipes Aust. was caught on oxen, in Morris traps and on a fly-round in south-eastern Uganda are described.Fewer flies were caught in traps than on oxen, but the former took a higher proportion of females. The numbers i

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https://doi.org/10.1017/s0007485300055334

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Studies of the sampling of Glossina pallidipes Aust. IV.—Some aspects of the use of Morris traps

Autor: B. D. Rennison, I. M. Smith

Publikováno v: Bulletin of Entomological Research. 52:609-619

Experiments carried out in south-eastern Uganda, as part of a series of investigations of factors affecting the catch of Glossina pallidipes Aust. by Morris traps, showed that this was not significantly affected by varying the interval between emptyi

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https://doi.org/10.1017/s0007485300055632

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