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A note on the effect of time after feeding on the distribution of nitrogen in the gastrointestinal tract of sheep

Published online by Cambridge University Press:  02 September 2010

J. Sekine ,
Y. Kuninishi ,
R. Oura ,
H. Miyazaki ,
M. Okamoto  and
Y. Asahida
J. Sekine
Affiliation:
Department of Veterinary Science, Faculty of Agriculture, Tottori University, Tottori 680, Japan
Y. Kuninishi
Affiliation:
Department of Veterinary Science, Faculty of Agriculture, Tottori University, Tottori 680, Japan
R. Oura
Affiliation:
Department of Veterinary Science, Faculty of Agriculture, Tottori University, Tottori 680, Japan
H. Miyazaki
Affiliation:
Department of Veterinary Science, Faculty of Agriculture, Tottori University, Tottori 680, Japan
M. Okamoto
Affiliation:
Department of Veterinary Science, Faculty of Agriculture, Tottori University, Tottori 680, Japan
Y. Asahida
Affiliation:
Department of Veterinary Science, Faculty of Agriculture, Tottori University, Tottori 680, Japan
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Abstract

The effect of time after feeding on the distribution of nitrogen (N) in digesta from various segments of the gastrointestinal tract was studied in sheep given a diet of chopped hay once daily. Four groups of four animals were slaughtered at 2, 8,16 and 24 h after feeding and digesta were separated into large (>1180μm), medium (300 to 1180 μm) small (45 to 300 μm) and fine particles and liquid (<45 μm) fractions. The N pool in the reticulorumen decreased with time after feeding but post-ruminal N pools changed very little. Changes in N distribution within the reticulorumen reflected reductions in large particles and increases in fine particles and liquid fractions, the intermediate fractions remaining fairly constant.

Keywords

digestive tractnitrogen balancesheep
Type
Research Article
Information
Animal Production , Volume 53 , Issue 2 , October 1991 , pp. 246 - 248
Copyright
Copyright © British Society of Animal Science 1991

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References

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