J. Anim Sci.
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J. Anim Sci. 1976. 42:1509-1512.
© 1976 American Society of Animal Science
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Hydrolysis of Natural Phytate Phosphorus in the Digestive Tract of Calves1

T. S. Nelson, L. B. Daniels, J. R. Hall and L. G. Shields

University of Arkansas2, Fayetteville 72701

Abstract

The hydrolysis of natural phytate phosphorus in theintestinal tract of cattle was determined in two balance studies. Four calves 56 days old and six steers 9 months of age were fed a diet composed primarily of either corn or sorghum grain and soybean meal. Traces of phytate phosphorus were recovered in the feces of the younger calves while none was evident in the feces of older calves. No phytate was recovered from the contents of the rumen, abomasum, small and large intestines of three calves fed a ration composed primarily of sorghum grains and soybean meal.

Footnotes

1 Published with the Approval of the Director of the Arkansas Agriculture Experiment Station.

2 Department of Animal Sciences






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Copyright © 1976 by the American Society of Animal Science.