J. Anim Sci.
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J. Anim Sci. 1971. 33:1263-1265.
© 1971 American Society of Animal Science
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Effect of Grain Particle Size and Pellets on Development of Gastric Ulcers in Swine1

Knut Flatlandsmo and Per Slagsvold

The Veterinary College of Norway, Oslo

Abstract

The effect of physical structure of the diet on the development of gastric ulcers was studied in an experiment involving 341 pigs. A total of 115 pigs developed alterations of the stomach wall. In 107 of these the lesions were classified as epithelial changes. Small particle size of the diet and use of pellets appeared to be the most consistent factors related to lesions. Diets of an identical composition produced fewer alterations of the gastric epithelium when fed in a coarse form. No pigs died due to ulcers. A significant (P<.01) difference was found between sire groups in the incidence of ulcers, but no influence of sex was observed.

Footnotes

1 Appreciation is expressed to Dr. med. yet. Inger Nafstad for assistance with classification of the gastric ulcers.






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Copyright © 1971 by the American Society of Animal Science.