J. Anim Sci.
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J. Anim Sci. 1951. 10:624-628.
© 1951 American Society of Animal Science
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Special Solvent Cottonseed Meal with and without a Vitamin B12 Supplement and Streptomycin as a Source of Protein for Pigs1

I. A. Dyer, A. E. Cullison and W. J. Hays

University of Georgia

Abstract

As high as 35% of the total ration was fed as "detoxified" cotton seed meal to weanling pigs. No typical symptoms of gossypol toxicity occurred. However, dermatitis, depigmentation of the hair coat of the Duroc pigs, a slow rate of growth as well as a reduction in feed efficiency were encountered. These deficiency symptoms suggest that this "detoxified" cottonseed meal is deficient in factors essential for optimum growth and physiological well-being of the pig. Results of this test indicate that neither vitamin B12 nor streptomycin are the first limiting factors. When cottonseed meal and solvent soybean oil meal were fed together (each comprising 50% of the protein supplement), the soybean oil meal apparently supplied some factor(s) in which cottonseed meal was deficient.

Footnotes

1 The authors are indebted to: Mr. L. V. Curtin of the Buckeye Cotton Oil Company, Ivorydale, Ohio, for providing the cottonseed and soybean oil meals; the White Provision Company, Atlanta, Georgia, for contributing a portion of the meat and bone scraps; Dr. M. A. Schooley, Merck and Company, Inc., Rahway, New Jersey, for the riboflavin, niacinamide, calcium pantothenate, chorine chloride, vitamin B12 supplement, crystalline vitamin B12, and streptomycin; Mr. Vernon Dawe, Dawe's Manufacturing Company, Chicago, Illinois, for contributing vitamins A and D.

Acknowledgement is gratefully made to D. A. Hart, Herdsman, for his assistance in conducting this test.






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Copyright © 1951 by the American Society of Animal Science.