Document Detail

Daily variability of equine fecal strongyle egg counts.
MedLine Citation:
PMID:  1424638     Owner:  NLM     Status:  MEDLINE    
Fecal egg counts often are used for diagnosing equine strongyle infections and estimating the number of eggs shed in the feces. An individual egg count should be interpreted in view of the normal fluctuation of egg numbers in an individual horse. In this study, the daily variability of strongyle fecal egg counts from horses was investigated. The Cornell-McMaster egg-counting technique was used to estimate the eggs per gram of feces in repeated daily fecal samples from 39 horses. The variation of the daily egg counts across 4 days was greater than would be expected if a consistent number of eggs were produced and dispersed randomly in the feces. The means and variances of the daily counts from each horse had a logarithmic relationship. For practical purposes, however, the fluctuation of egg counts is low enough for the fecal egg count to be used to identify horses for treatment, to estimate pasture contamination, or to assess response to therapy.
L D Warnick
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Cornell veterinarian     Volume:  82     ISSN:  0010-8901     ISO Abbreviation:  Cornell Vet     Publication Date:  1992 Oct 
Date Detail:
Created Date:  1992-12-02     Completed Date:  1992-12-02     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0074245     Medline TA:  Cornell Vet     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  453-63     Citation Subset:  IM    
Department of Clinical Sciences, New York State College of Veterinary Medicine, Cornell University, Ithaca 14853.
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MeSH Terms
Chi-Square Distribution
Feces / parasitology*
Normal Distribution
Parasite Egg Count / veterinary*
Poisson Distribution
Strongyle Infections, Equine / parasitology*
Strongyloidea / growth & development*

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