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Abstract
THE situation frequently exists where price differentials among the high protein oil meals, as employed in swine feeds and supplements, favor the use of cottonseed oil meal and peanut oil meal, particularly in the areas where these products are processed.
With the advent of low-gossyp01 cottonseed oil meals and the advances in our knowledge of amino, acid requirements and non-protein dietary factors, there is an apparent need for more information concerning the use of these ingredients in swine rations.
Wallace et al. (1955) repo.rted significantly faster gains with pigs receiving a combination of soybean oil meal and low-gossypol cottonseed oil meal as compared to a fortified diet containing soybean oil meal alone.
In chick experiments, Blaylock and Richardson (1950) obtained a growth response to L-lysine supplementation on diets containing a combination of soy bean oil meal and cottonseed o.il meal. In the same study it was indicated that methionine was a limiting factor on a diet containing a combination of soybean oil meal and peanut oil meal.
1 The authors are grateful to the following concerns for supplying materials used in these studies: Buckeye Cotton Oil Co., Cincinnati, O., Lederle Laboratories Division, American Cyanamid Co., Pearl River, N. Y., and Dawes Laboratories, Inc., Chicago, Ill. Acknowledgment is also due Mr. J. R. Danion for assistance in caring for the animals.
2 Contribution from the Department of Animal Husbandry, Athens, Georgia. Journal Paper No. 26 of the College Experiment Station.
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