Journal of Food, Agriculture and Environment
Effect of molasses addition on in vitro rumen degradability and microbial protein synthesis of corn stover treated with sodium hydroxide and urea
Author(s):
Xiao Feng Xu 1, 2,
Yu Jia Tian 1, Yong Qing Guo 1, Sheng Li Li 1*, Zhi Jun Cao 1Recieved Date: 2013-06-07, Accepted Date: 2013-10-20
Abstract:Effects of adding molasses on the in vitro fermentation of corn stover (CS) treated with sodium hydroxide and urea (SH-CS, U-CS) were studied by in vitro gas test. The chemical treatment had a significant effect on potential gas production (mean values of 58.0, 54.3 and 50.6 ml for SH-CS, U-CS and untreated, respectively), and a significant interaction effect was observed between molasses addition and the chemically treated corn stover (P < 0.05). The values of in vitro dry matter degradability (0.44, 0.35 and 0.31 for the SH-CS, U-CS and untreated, respectively) increased in the chemically treated CS (P < 0.05), and there were significant interaction effects between the molasses addition and the chemically treated CS (P < 0.001). The production of the total volatile fatty acids increased in the SH-CS (P < 0.001), but no significant (P > 0.05) interactions were observed between the molasses addition and the chemically treated CS. The production of total purines was higher in the chemically treated CS (P < 0.001) (4.38, 3.41 µmol for the U-CS and SH-CS compared with untreated (2.79 µmol). The addition of the molasses increased the production of total purines, and a significant (P < 0.05) interaction effect was observed between the molasses addition and the chemically treated CS.
Keywords:Corn stover,
chemical treatment, molasses, In vitro rumen degradability, microbial protein synthesisJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 1233-1238
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