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The degradation kinetic of NDF and lignin of sunflower meal containing low or high fat treated with sodium hydroxide

Published online by Cambridge University Press:  23 November 2017

T. Mohammadabadi ,
M. Danesh Mesgaran ,
A. Heravi Mousavi ,
M.R. Nasiri  and
M. Chaji
T. Mohammadabadi*
Affiliation:
Dept. of Animal Science, Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P O Box 91775-1163, Mashhad, Khorasane-Razavi, Islamic Republic of Iran
M. Danesh Mesgaran
Affiliation:
Dept. of Animal Science, Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P O Box 91775-1163, Mashhad, Khorasane-Razavi, Islamic Republic of Iran
A. Heravi Mousavi
Affiliation:
Dept. of Animal Science, Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P O Box 91775-1163, Mashhad, Khorasane-Razavi, Islamic Republic of Iran
M.R. Nasiri
Affiliation:
Dept. of Animal Science, Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P O Box 91775-1163, Mashhad, Khorasane-Razavi, Islamic Republic of Iran
M. Chaji
Affiliation:
Dept. of Animal Science, Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P O Box 91775-1163, Mashhad, Khorasane-Razavi, Islamic Republic of Iran
*
Email:mohammadabadi2002@yahoo.com
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Extract

Sunflower meal is a good source of protein and NDF for ruminants. The amount of hull or fibre in sunflower might affect the ruminal and post-ruminal digestion of this protein source. Available information on the effect of sodium hydroxide on degradation of NDF and lignin of sunflower meal is scarce. It has been proposed that sodium hydroxide may break down hemicellulose, hydrolyze the ester bonds between lignin and hemicellulose, swell cellulose microfibrils (Canale et al., 1992), expose the cellulose to microbial attachment and improve digestibility (Goto et al., 1993). The objective of this study was to investigate the effect of sodium hydroxide (NaOH) on chemical composition and in situ degradation characteristics of NDF and lignin of low and high fat sunflower meal (25 and 165 g/kg DM; LFSM and HFSM, respectively).

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Information
Proceedings of the British Society of Animal Science , Volume 2008 , 2008 , pp. 238
Copyright
Copyright © The British Society of Animal Science 2008

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References

Canale, C.J., Glenn, B.P., and Reeves, J.B. 1992. Journal of Dairy Science. 75, 1543–1554.Google Scholar
Goto, M., Yokoe, Y., Takabe, K., Nishikawa, S., and Morita, O. 1993. Animal Feed Science and Technology. 40, 207–221.Google Scholar