In vitro gas production parameters of Sesame (Sesamum indicum) stover treated with sodium hydroxide and/or urea M. Danesh Msgaran†, M. Malekkhahi, H. Jahani-Azizabadi, A.R. Heravi Moussavi, A. Tahmasbi, A. Vakili, H. Nassiri Moghaddam Dept. of Animal Science, Excellence Centre for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P O Box 91775-1163, Mashhad, Iran †Corresponding authors, Email:danesh@um.ac.ir Mini abstract: Sesame stover, from Iranian plant varieties adapted to grow in semi-arid condition, was provided. Treatments were: untreated Sesame stover (SS), SS+urea, SS+NaOH and SS+ NaOH+urea. In vitro gas production parameters of the samples were determined. Gas production was increased when sesame stover was treated with urea and/or NaOH. When samples were treated with NaOH, a greater increase in gas production from fermentable fraction was observed. However, gas production fractional rate (c) in SS (0.11 ± 0.01, h-1) was greater than the other samples

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