J. Anim Sci.
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J. Anim Sci. 1975. 40:366-373.
© 1975 American Society of Animal Science
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Relationship between Nitrogen Balance, Digested Nitrogen and Dry Matter Digestibility in Ruminants

M. A. Naga, K. el-Shazly, H. I. Deif, M. A. Abaza and R. H. el-Faham

University of Alexandria, Alexandria, Egypt1

Abstract

Dry matter digestibility (DMD) and nitrogen balance (NB) experiments were carried out with Barki sheep and water buffalo (Bos bubolus L.) on eight and three types of rations, respectively. The relationship between NB and apparently digested nitrogen (DN) was not significant with the majority of the rations studied. The inclusion of DMD as X2 in the relationship between NB (Y) and DN (X1), resulted in higher multiple correlation coefficients. The same level of significance or even higher was obtained between NB and DN multiplied by DMD. The value DN x DMD predicted NB satisfactorily accurate (.16 to 7.06 % error). It exceeded in this respect DN alone, and it could be calculated easier than multiple correlation.

Footnotes

1 Department of Animal Production, Faculty of Agriculture.






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Copyright © 1975 by the American Society of Animal Science.