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Document Type

Research

Abstract

Unsporulated oocysts of Eimeria nieschulzi, E. miyairii, and E. separata were taken from the caeca of albino rats which had pure infections; unsporulated cocysts of E. tenella were secured from the caeca of experimentally infected chicks; unsporulated oocysts of E. arloingi, E. faurei, and E. ninakohl-yakimovi were obtained from fresh fecal droppings of young goats. They were concentrated by flotation in sugar solution and submitted to different temperatures (ranged 46° C. - 56° C.) and at various length of exposures in an electrically controlled water bath. The results demonstrated that unsporulated oocysts of different species of Eimeria do not respond to temperature in the same manner. At 50° C., for instance, total kill resulted for E. nieschulzi at an exposure of 4-5 minutes, for E. miyairii 30-38 minutes, for E. separata .50-1 minute, for E. tenella 40-55 minutes, for E. arloingi 100-150 minutes, for E. faurei 40-60 minutes, and for E. ninakohl-yakimovi 20-40 minutes. E. separata is the most delicate and E. arloingi is the most resistant species to the influence of temperature.

Publication Date

1937

Journal Title

Proceedings of the Iowa Academy of Science

Volume

44

Issue

1

First Page

204

Last Page

205

Copyright

© Copyright 1937 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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