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Fazaeli et al., 2004. Asian-Aust. J. Anim. Sci., 17 (12): 1681-1688

Document reference 
Fazaeli, H. ; Mahmodzadeh, H. ; Azizi, A. ; Jelan, Z. A. ; Liang, J. B. ; Rouzbehan, Y. ; Osman, A., 2004. Nutritive value of wheat straw treated with Pleurotus fungi. Asian-Aust. J. Anim. Sci., 17 (12): 1681-1688

Soaked and pasteurize wheat straw was inoculated with five species of Pleurotus fungi (coded P-21, P-30, P-41, P-60 and P-90), packed in polyethylene bags and incubated in a fermentation chamber for 21 days. The chemical composition, in vitro digestibility and in sacco degradability of the treated and untreated straw were estimated using a complete randomised design consisting of six treatments and four replicates. In a feeding trial, in vivo digestibility and voluntary intake were determined in bulls, using a 3*3 change over design. Dietary treatments were: (1) untreated wheat straw (UWS) as control; (2) fungal treated (P-41) wheat straw before mushroom formation (FTWS); (3) spent wheat straw (SPWS) after mushrooms were harvested. Apart from P-90, fungal treatment significantly (p<0.05) increased the crude protein (CP) and reduced the cell wall components of the straw. The in vitro dry mater and organic mater digestibility significantly (p<0.05) increased in the treated straw particularly with the treatments of P-41 and P-60. The in situ degradability and in vivo digestibility of DM and OM were significantly (p<0.05) increased in treated straws with the highest values observed for treatment P-41. The intake of DM, OM and digestible organic mater (DOM) were significantly (p<0.05) increased in cows fed FTWS.

Citation key 
Fazaeli et al., 2004