Fischer rats consume 20% ethanol in a long-term intermittent-access two-bottle-choice paradigm

Mill, Douglas J., Bito-Onon, Jade J., Simms, Jeffrey A., Li, Rui, & Bartlett, Selena E. (2013) Fischer rats consume 20% ethanol in a long-term intermittent-access two-bottle-choice paradigm. PLoS ONE, 8(11), e79824.

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The 20% ethanol intermittent-access (IAE) two-bottle-choice drinking procedure has been shown to produce high voluntary ethanol consumption in a number of rat strains. For this study, we applied this procedure to male Fischer (F344) rats, a strain previously reported to exhibit low levels of ethanol consumption. We also subjected these animals to a two-week ethanoldeprivation- period to see if they would exhibit an alcohol deprivation effect (ADE) signified by a transient increase in alcohol consumption following deprivation. Our data show a separation between high and low consuming animals within this strain, with high-consumers exhibiting an escalation in consumption. In contrast, Fischer rats did not show a significant separation between high and low consumers or any significant escalation in consumption, using the 20% ethanol continuous-access two-bottle-choice drinking protocol. Following the two-week deprivation period, animals in the high (but not the low) IAE group exhibited the transient increase in ethanol consumption and preference typically associated with an ADE. Together, the data suggest that the intermittent access protocol is a useful protocol for increasing ethanol consumption.

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ID Code: 76957
Item Type: Journal Article
Refereed: Yes
DOI: 10.1371/journal.pone.0079824
ISSN: 1932-6203
Divisions: Current > Schools > School of Clinical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2013 Mill et al.
Copyright Statement: This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Deposited On: 07 Oct 2014 07:00
Last Modified: 17 Oct 2014 01:22

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