Search Results - "STEFFAN, P. E"

Environmental impact of ivermectin excreted by cattle treated in autumn on dung fauna and degradation of faeces on pasture by IGLESIAS, L. E, SAUMELL, C. A, FERNANDEZ, A. S, FUSE, L. A, LIFSCHITZ, A. L, RODRIGUEZ, E. M, STEFFAN, P. E, FIEL, C. A

“…The effect of ivermectin excreted in faeces of treated cattle on dung fauna and dung degradation on pasture during autumn was evaluated. Two groups of calves…”
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An attempt to replace an ivermectin-resistant Cooperia spp. population by a susceptible one on grazing pastures based on epidemiological principles and refugia management by Fiel, C.A., Steffan, P.E., Muchiut, S.M., Fernández, A.S., Bernat, G., Riva, E., Lloberas, M.M., Almada, A., Homer, D.

“…•Replacing of IVM-resistant Cooperia spp. for IVM-susceptible population is proposed.•Low parasite refugia at the end of summer is the key for this…”
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High-Frequency, In Vitro Reversible Switching of Candida lusitaniae Clinical Isolates from Amphotericin B Susceptibility to Resistance by YOON, S. A, VAZQUEZ, J. A, STEFFAN, P. E, SOBEL, J. D, AKINS, R. A

“…Classifications Services AAC Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Observations on the free-living stages of cattle gastrointestinal nematodes by Fiel, C.A., Fernández, A.S., Rodríguez, E.M., Fusé, L.A., Steffan, P.E.

“…A 4-year study on the free-living stages of cattle gastrointestinal nematodes was conducted to determine (a) the development time from egg to infective larvae…”
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Arrested development of Ostertagia ostertagi: effect of the exposure of infective larvae to natural spring conditions of the Humid Pampa (Argentina) by Lützelschwab, C.M., Fiel, C.A., Pedonesse, S.I., Najle, R., Rodríguez, E., Steffan, P.E., Saumell, C., Fusé, L., Iglesias, L.

“…The aim of this study was to determine the effect of environmental conditions and the time of exposure to the conditions required for Ostertagia ostertagi to…”
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Effects of treatments with endectocide on the weight gain of grazing cattle in a warm temperate climate by Mercier, P, Steffan, P E, White, C R

“…Five groups of 20 weaned beef calves were injected subcutaneously with either an ivermectin, a doramectin, an abamectin long-acting formulation, an ivermectin…”
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Study on the inductive factors of hypobiosis of Ostertagia ostertagi in cattle by Fernández, A.S, Fiel, C.A, Steffan, P.E

“…Two experiments were carried out to determine the causes producing the Ostertagia ostertagi hypobiosis phenomenon in cattle. In the first experiment, the…”
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Resistance of Cooperia to ivermectin treatments in grazing cattle of the Humid Pampa, Argentina by Fiel, C A, Saumell, C A, Steffan, P E, Rodriguez, E M

“…A field experiment and a controlled efficacy trial were conducted to demonstrate resistance of cattle trichostrongylid nematodes to endectocidal compounds in…”
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The effect of experimental trichostrongyle infections of housed young calves on the subsequent course of natural infection on pasture by Nansen, P, Steffan, P E, Christensen, C M, Gasbarre, L C, Monrad, J, Grønvold, J, Henriksen, S A

“…The present studies were designed to investigate whether experimental, mixed trichostrongyle infections of stabled calves prior to their first grazing season…”
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Effects of tactical late-season treatments with ivermectin on calves naturally exposed to trichostrongyles by Steffan, P E, Nansen, P

“…This study was conducted to evaluate the effects of tactical treatments with ivermectin against trichostrongyles in first-season grazing heifer calves in the…”
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Effects of treatments with endedocide on the weight gain of grazing cattle in a warm temperate climate by Mercier, P., Steffan, P. E., White, C. R.

“…Five groups of 20 weaned beef calves were injected subcutaneously with either an ivermectin, a doramectin, an abamectin long-acting formulation, an ivermectin…”
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An Electromagnetic Trigger for Drop-Nets by Lockowandt, Steffan P E

“…A trigger was designed for drop-nets that uses an electromagnet to replace the blasting caps that were formerly used. These nets are used to catch wild…”
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Resistance of Cooperia to ivermectin treatments in grazing cattle of the Humid Pampa, Argentina by Fiel, C.A, Saumell, C.A, Steffan, P.E, Rodriguez, E.M

“…A field experiment and a controlled efficacy trial were conducted to demonstrate resistance of cattle trichostrongylid nematodes to endectocidal compounds in…”
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Impacto ambiental de la ivermectina eliminada por bovinos tratados en otoño, sobre la coprofauna y la degradación de la materia fecal en pasturas (tandil, argentina) by L. E. Iglesias, C. A. Saumell, L. A. Fusé, A. L. Lifschitz, E. M. Rodriguez, P. E. Steffan, C. A. Fiel

“…A trial was carried out to evaluate the effect of the ivermectin eliminated in the feces of treated calves on the coprofaune and on the physical degradation of…”
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Eficacia del ricobendazole-via subcutanéa- contra los nematodes gastrointestinales del bovino by P. E. Steffan, C. A. Fiel, D.A. Ferreyra, A. Monfrinotti

“…Se llevó a cabo una prueba controlada de eficacia para determinar la actividad terapéutica del Ricobendazole -RBZ- (sulfóxido de Albendazole) aplicado por vía…”
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Patrón primaveral de colonización y permanencia de artrópodos en masas fecales de bovinos en la zona de Tandil, Argentina by L. E. Iglesias, C. A. Saumell, L. A. Fusé, C. M. Lützelschwab, P. E. Steffan, C. A. Fiel

“…Durante la primavera, fueron determinadas la diversidad y permanencia de artrópodos que colonizan las heces bovinas en la zona de Tandil, Argentina. Masas…”
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Dinámica estacional y diaria en las pasturas de poblaciones de nematodes trichostrongylideos de bovinos by D.A. Ferreyra, P. E. Steffan, C. A. Fiel, F. Gonzalez

“…El presente experimento fue desarrollado para determinar la dinámica estacional y diaria en los pastos, de poblaciones de larvas infectivas de nematodes…”
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