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Science 6 July 1984:
Vol. 225. no. 4657, pp. 78 - 80
DOI: 10.1126/science.6539502
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Articles

Science, Vol 225, Issue 4657, 78-80
Copyright © 1984 by American Association for the Advancement of Science

articles

Intragastric self-infusion of ethanol by ethanol-preferring and -nonpreferring lines of rats

MB Waller, WJ McBride, GJ Gatto, L Lumeng, and TK Li

An ethanol-preferring line of rats, developed by selective breeding, consumed as much as 9.4 +/- 1.7 grams of ethanol per kilogram of body weight per day through intragastric self-infusions, yielding blood ethanol concentrations of 92 to 415 milligrams per 100 milliliters. By contrast, the ethanol- nonpreferring line self-administered only 0.7 +/- 0.2 gram per kilogram per day. These findings indicate that the reinforcing effect of ethanol is postabsorptive and is not mediated by the drug's smell or taste. Hence the ethanol-preferring line of rats may be suitable animal model of alcoholism.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Genetic animal models of alcohol and drug abuse.
J. Crabbe, J. Belknap, and K. Buck (1994)
Science 264, 1715-1723
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