A three-year study on seasonal transmission and control of Fasciola hepatica of cattle in Louisiana |
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| Authors: | JB Malone AF Loyacano ME Hugh-Jones KC Corkum |
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| Institution: | 1. Department of Veterinary Microbiology and Parasitology, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803 U.S.A.;2. Dean Lee Research Center, Louisiana Agriculture Experiment Station, Alexandria, LA 71301 U.S.A.;3. Department of Epidemiology and Community Health, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803 U.S.A.;4. Department of Zoology and Physiology, Louisiana State University, Baton Rouge, LA 70803 U.S.A. |
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| Abstract: | Seasonal transmission data on sentinel calves, herd prevalence and snail population dynamics over a 3-year period indicate that major transmission of Fasciola hepatica to cattle occurs between February and July in Louisiana. Soil temperature and water budget were used as indicators of microhabitat suitability for development of snail populations and extra-mammalian stages of F. hepatica and were related to wide annual variation in fascioliasis risk. |
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