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OLS Field Name OLS Field Data
Main Title Decreasing Epididymal Sperm Reserves Enhances the Detection of Ethoxyethanol-Induced Spermatotoxicity.
Author Hurtt, M. E. ; Zenick, H. ;
CORP Author Environmental Protection Agency, Washington, DC. Office of Health and Environmental Assessment. ;Cincinnati Univ., OH. Dept. of Environmental Health.
Year Published 1986
Report Number EPA/600/J-86/191;
Stock Number PB87-145595
Additional Subjects Toxicology ; Detection ; Reprints ; Spermatotoxicity ; Ethoxyethanol
Holdings
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NTIS  PB87-145595 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 8p
Abstract Current test strategies for assessing male reproductive toxicity may be inadequate for estimating risk in humans. High levels of sperm production and existence of large epididymal sperm reserves in most test species may impede the detection of spermatoxicity at low doses. The current report reflects initial efforts to address these issues. An active schedule of copulation was employed to reduce cauda epididymal reserves in the rat. The detection of spermatotoxicity in this animal relative to its nonmated counterpart was then compared following exposure to ethoxyethanol (EE). Adult, male Long-Evans hooded rats were assigned to a 'mate' or 'nonmate' condition, with the former mated every other day (3-hr sessions) for 2 weeks prior to and then throughout the experiment. After 2 weeks, males from each group were randomly assigned to receive either 0, 150, or 300 mg/kg (po) of EE, 5 days/week for 6 weeks. Males were then sacrificed and organ weights, testicular spermatid counts, and cauda epididymal sperm count and sperm morphology were obtained.
Supplementary Notes Pub. in Fundamental and Applied Toxicology 7, p348-353 1986. Prepared in cooperation with Cincinnati Univ., OH. Dept. of Environmental Health.
NTIS Title Notes Journal article.
Title Annotations Reprint: Decreasing Epididymal Sperm Reserves Enhances the Detection of Ethoxyethanol-Induced Spermatotoxicity.
PUB Date Free Form c1986
Category Codes 57Y
NTIS Prices PC A02/MF A01
Primary Description 600/21
Document Type NT
Cataloging Source NTIS/MT
Control Number 711419613
Origin NTIS
Type CAT