Boyce Rustay J, Risinger F. Dopamine D3 receptor knockout mice and the motivational effects of ethanol. Pharmacol Biochem Behav. 2003;75:373-9 pubmed
..D3 KO and C57 mice had similar response rates of ethanol and food as well as similar water intakes. Overall, these results indicate that elimination of D3 receptor function has little influence on ethanol reward or intake. ..