Dietary Factors Affecting the Development of Esophagogastric Ulcers in Swine2

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Abstract
The influence of some dietary factors on the development of gastric ulcers in swine was studied. Pelleting a corn-soybean meal diet significantly increased the number of gastric lesions observed. Restriction of feed intake for three separate 7-day periods during the growing period had no significant effect although there were more normal stomachs than when the feed was not restricted. A diet containing corn, soybean meal, fish meal, meat meal and fish oil was found to be ulcerogenic. The addition to this diet of 10% alfalfa meal did not reduce the number of gastric lesions but 5% oat hulls did have a protective effect; however, this effect could not be repeated in a second experiment. Adding 5% wood shavings to the ulcerogenic diet significantly reduced the number of abnormal stomachs. When the pigs in the same experiment had access to the same wood shavings as bedding, there were more normal stomachs and the lesions were less severe than when no bedding was provided but the difference was not significant. Copyright © 1969. American Society of Animal Science . Copyright 1969 by American Society of Animal Science