Supplementation of alkali-treated rice straw |
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| Affiliation: | 1. Department of Education, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-701, South Korea;2. Division of Sport Science, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si, Kangwon-do 200-701, South Korea;1. Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Wojska Polskiego 28, 60-637 Poznań, Poland;2. Gorgan University of Agricultural Sciences & Natural Resources, Department of Pulp and Paper Technology, 4913815739 Gorgan, Iran;3. Norwegian Institute of Bioeconomy Research, Høgskoleveien 8, 1433 Ås, Norway;1. Department of Social Sciences, Norwegian School of Theology, Religion and Society (MF), Postboks 5144, Majorstuen, 0302 OSLO, Norway;2. Department of International Studies and Interpreting, Oslo Metropolitan University – OsloMet, Pilestredet 42, PO Box 4 St Olavs Plass, Pilestredet 52, 0167 Oslo, N-0130 Oslo, Norway |
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| Abstract: | Goats were fed rice straw treated with 0,4 or 8% NaOH, dehydrated palm oil mill effluent (POME) at 20 or 30 g/kg liveweight (LW)/day and Leucaena at 5 or 10 g dry matter (DM)/kg LW/day in Experiment 1, and rice straw treated with 4% NaOH or 4% NH4OH, POME at 30 g/kg LW/day and either Napier grass or Leucaena at 10 g DM/kg LW/day in Experiment 2. Treatment with 4% NaOH promoted the highest intake of rice straw. 10·3 and 12·4 g DM/kg LW/day respectively in Experiments 1 and 2. Feeding Leucaena at 10 g DM/kg LW/day significantly increased total intake (36·0 g DM/kg LW/day) and DM digestibility (59·0%) in Experiment 1, and supported a LW gain of 63 g/day in Experiment 2. It is concluded that diets comprising 25% NaOH-straw, 50% POME and 25% Leucaena permitted dietary nutrients to be used efficiently and maximised the inclusion of by-products. |
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