J. Anim Sci.
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J. Anim Sci. 1989. 67:329-333.
© 1989 American Society of Animal Science
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Raw Mung Beans as a Protein Source for Bred Gilts1

W. G. Luce2, C. V. Maxwell2, D. S. Buchanan2, R. O. Bates3, M. D. Woltmann2, S. A. Norton4 and G. N. Dietz2

Oklahoma State University, Stillwater 74078

Abstract

A study involving 546 crossbred gilts from six seasons was conducted to evaluate raw mung beans as a partial replacement for soybean meal in diets for gilts during gestation. Gilts were randomly allotted to either a control sorghum grain-soybean meal diet or a diet in which a portion of the soybean meal was replaced with mung beans. In the first three seasons, gilts were fed diets in which the protein supplement was totally soybean meal or 89% mung beans (high level) and 11% soybean meal. In the last three seasons the level of mung beans in the supplemental protein was reduced to 61% mung beans with 39% soybean meal (moderate level). Feeding the high level of mung beans decreased (P < .05) weight gain during gestation and reduced (P < .05) weight loss during lactation compared with gilts fed the control diet or the moderate level of mung beans. Little difference was noted in litter size at birth, but litter size at 21 d for gilts fed moderate levels of mung beans was less (P < .05) than for gilts fed the control diet or the high level of mung beans. Little difference was noted in survival rate to 21 or 42 d or individual and litter weights at birth and 21 d. Pig and litter weights at 42 d, however were reduced in gilts fed the high level of mung beans (P < .05 and P < .10, respectively) compared with the control diet. This study suggests that diets containing moderate levels of mung beans may decrease litter size at 21 and 42 d and decrease individual pig and litter weights at 42 d.

Footnotes

1 Journal article 5383 of the Oklahoma Agric. Exp. Sta., Stillwater 74078.

2 Anim. Sci. Dept.

3 Present address: Anim. Sci. Dept., Univ. of Missouri, Columbia 65211.

4 Present Address: USDA-ARS, Beltsville, MD 20705.






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Copyright © 1989 by the American Society of Animal Science.