The role of temperature and other factors in predicting the pattern of bovine ostertagia spp infective larvae on pasture

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Gettinby, G. and Paton, G. (1981) The role of temperature and other factors in predicting the pattern of bovine ostertagia spp infective larvae on pasture. Journal of Thermal Biology, 6 (4). pp. 395-402. ISSN 0306-4565 (http://dx.doi.org/10.1016/0306-4565(81)90031-0)

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Abstract

A prediction model based on predicting the development time of the egg to the infective stage of the parasite O. ostertagi using temperature is described for bovine ostertagiasis. Two isolates of Ostertagia spp., having different capacities for infectivity and fecundity are considered. Predictions based on the capacities of each of the two isolates are compared with that observed in an animal management system studied in 1979. Infectivity and fecundity are shown to markedly influence the predicted patterns of pasture contamination.

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