The effect of white-rot basidiomycetes on chemical composition and in vitro digestibility of wheat straw
1996
Jalc, D. | Siroka, P. (Slovanska Akademia Vied, Kosice (Slovakia). Ustav Fyziologie Hospodarskych Zvirat) | Nerud, F. | Zitnan, R.
Five white-rot basidiomycetes were evaluated for their potential to improve ruminal degradation of wheat straw. Polyorus brumalis, Lyophyllum ulmarium III, Trametes gibbosa, Pleurotus ostreatus, and a Pleurotus ostreatus mutant were incubated on wheat straw for 30 d at 28 degrees C. The results showed increasing crude protein and ash contents in fungus-treated straw in vitro dry matter digestibility values were increased in straws treated with P. ostreatus, P. ostreatus mutant and T. gibbosa only. Relative to untreated wheat straw the detergent fiber content - neutral detergent fiber (NDF), and acid detergent fiber (ADF) was reduced in fungus-treated straw and out of three fractions - hemicellulose showed the largest proportionate loss whereas lignin the smallest one in all 5 samples of fungus treated straw.
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