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This paper describes an observational longitudinal study of cattle farms in England and Wales, which aimed to identify management practices associated with the presence of Eimeria spp. infection in young cattle. Thirty cattle farms situated in England and Wales were selected and one group of more than 20 young cattle aged 5-18 months of age was monitored on each farm. Three variables were identified as significantly associated with status in a multivariable model. The odds of finding Eimeria spp. were lower on farms that kept sheep on the same premises as the cattle, as was an increase in the maximum age within the sampled group. The latter probably reflects the development of post-infection immunity within the sampled animals. Good water-trough hygiene protected against Eimeria spp. oocyst excretion, with the odds of detection being higher on farms where it was reported that the water troughs were not cleaned and emptied more than once per month. The value of frequent emptying and cleaning of water troughs in reducing the exposure of calves to Eimeria spp. and thus lowering the impact of coccidiosis, both clinical and subclinical should be communicated to cattle farmers., (Crown Copyright © 2011. Published by Elsevier Ltd. All rights reserved.)