2009-06-182009-06-181978https://hdl.handle.net/10365/5043Approximately 100 weaned sows were used to study factors that might alter rebreeding of sows. Days required to return to estrus did not affect reproductive measures. Number of times mated also was not found to alter reproductive rates. Certain boars were found to influence litter size.North Dakota State UniversitySwineLivestock productionArticle