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Journals and Conferences
A serological study of antibodies to Ehrlichia risticii was carried out on 10 species of wild and domestic mammals found on or near 21 horse farms in an area of the USA in which Potomac horse fever is endemic. No antibodies were found in 133 peridomestic rodents (Norway rats and house mice), nor in 108 wild rodents (white-footed mice and meadow voles)… (More)
We prove that in many, perhaps all, torsion free hyperbolic groups, test elements are precisely those elements not contained in proper retracts. We also show that all Fuchsian groups have this property. Finally, we show that all surface groups except Z× Z have test elements.
Field trials were conducted in 1974 and 1975 using an encapsulated formulation of methoprene (AltosidTM) applied as a feed additive at rates of 7.5 and 10.0 ppm (AI in feed) to control Musca domestica L. in poultry houses. Only limited inhibition of house fly emergence was obtained. In addition, the percentage of house fly emergence in each trial gradually… (More)