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The effects of different levels of sulphur and pyridoxine on the microbial protein synthesis in Ghezel male lambs: 2. in vivo

Published online by Cambridge University Press:  20 November 2017

K. Heidarnezhad ,
A. Nikkhah ,
M. Rezaeian  and
M. Zahedifar
K. Heidarnezhad*
Affiliation:
Animal Science, Science nad Research Campus, Tehran Islamic Azad, University, P.O.Box 1655, Tabriz, Iran
A. Nikkhah
Affiliation:
Animal Science Department, University of Tehran, Karaj, Iran, P.O.Box 4111
M. Rezaeian
Affiliation:
Animal Science Department, Science and Research Campus, Tehran Islamic Azad University P.O. Box 14515/775, Tehran, Iran
M. Zahedifar
Affiliation:
Animal Science Research Institute P.O. Box 1483, 31585, Karaj, Iran
*
E-mail: heidarnejad@yahoo.com
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Extract

The sulphur and pyridoxine are necessary for synthesis of total sulphur amino acids by ruminal bacteria and required for optimizing growth of ruminal microorganisms. For example, Caneiro et al (2000) reported the concentration of total sulphur amino acids in rumen bacterial DM changed quadratically (p<0.08) as dietary S increased. NRC (1985) suggested an N:S requirement of 10:1 for ruminants. Low dietary S concentration can also depress microbial protein synthesis (Kandylis, 1984). The aim of this study was to investigate the effect of dietary sulphur and pyridoxine level on microbial protein synthesis in Ghezel male lambs on the in vivo condition.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 117
Copyright
Copyright © The British Society of Animal Science 2004

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References

Carneiro, H., Puchala, R., Owens, F. N., Sahlu, T., Qi, K. and Goestch, A. L. (2000). Effect of dietary sulphur level on amino acids concentration ruminal bacteria of goats. Small Ruminant Research, 37: 151 – 157.Google Scholar
Kandylis, K. (1984). The role of sulphur in ruminant: a review. Livest. Prod. Sci. 11, 611 – 624.Google Scholar
NRC. (1985). Ruminant Nitrogen usage. National Academy press. Washingtion, D.C., U.S.A. Google Scholar