Pakistan Journal of Biological Sciences1028-88801812-5735Asian Network for Scientific Information10.3923/pjbs.2006.2444.2449Pleurotus Fungi Fed to Sheep]]>FazaeliH. AziziA. AmileM. 122006913Wheat straw was inoculated by two species of Pleurotus fungi (H-77 and H-82) in polyethylene bags. After 17 days, half of the bags were removed from fermentation room and sampled. Fermentation were sized in an other half of the bags after two flashes of mushroom harvested in seven weeks. Chemical analysis and in vivo digestibility were conducted on straw before and after fermentation. In a feeding trial, in vivo digestibility and voluntary intake determined by sheep, where the dietary treatments were T1) untreated wheat straw, T2) fungal treated wheat straw (F-77) after complete mycelium run before fruit formation, T3) fungal treated wheat straw (F-77) after harvesting of mushroom, T4) fungal treated wheat straw (H-82) before formation of mushroom and T5) fungal treated wheat straw (H-82) after harvesting of mushroom. Fungal treatment significantly (p<0.05) increased the crude protein but decreased the cell wall components of straw. The digestibility and TDN were significantly (p<0.05) higher in T2 and T3. Average daily intake of DM and OM were significantly (p<0.05) higher in T2 but lower in T5 comparing to the initial straw (T1). In comparison to the untreated straw, fungal treatment increased the digestibility of straw as well as the voluntary intake, at the stage of mycelia running. However, the digestibility and intake of mushroom harvested straw were significantly (p<0.05) decreased. In conclusion, treated straw by two species of fungi, improved the nutritive value index, but the nutritive value of mushroom harvested straw was lower than that of the initial straw.]]>Agosin, E., M.T. Tollier, J.M. Brillouet, P. Thivend and E. Odier,19863797106Ardon, O., Z. Kermen and Y. Hadar,1996Pleurotus ostreatus by cotton stalks extract.]]>51201207Azizi, A., T.R. Shamala and K.R. Sreekantiah,1990Pleurotus sajor-cajuon certain agro-industrial wastes and utilization of the residues for cellulase and D-xylanase production.]]>102126Boyle, C.D., B.R. Kropp and I.D. Reid,19925832173224Calzada, J.F., R. Leon, M.C. Arriola and C. Rolz,198720217226Dhanda, S., H.S. Garcha, V.K. Makkar and G.S. Makkar,1996Pleurotus cultivation.]]>514Fazaeli, H., Z.A. Jelan, A. Azizi, J.B. Liang, H. Mahmodzadeh and A. Oman,1999Pleurotus for improved digestibility.]]>55965Fazaeli, H., H. Mahmodzadeh, A. 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