Effect of edible mushroom (Pleurotus ostreatus) cultivation on in vitro digestibility of wheat straw and sawdust substrate
1993
Yoshida, N. (Saitama-ken. Livestock Experiment Station, Konan (Japan)) | Takahashi, T. | Nagao, T. | Chen, J.
To clarify in vitro digestibility of wheat straw and Japanese redwood sawdust substrate, the edible mushroom (Pleurotus ostreatus) was cultivated under conditions conductive to fruitbody production. After adjusting the moisture content to between 65-70%, either chopped straw or sawdust was packed tightly into bottles. The battles were then sterilized and subsequently inoculated with P, ostreatus. Straw substrate, straw substrates mixed with an eutrophic (wheat bran) at 20%, sawdust substrate and sawdust substrate mixed with eutrophics (wheat bran, rice bran and bean curd refuse) at 45% were compared. The incubation period lasted 8 weeks with fruitbody formation being induced after 4 weeks, sampling was performed throughout the incubation period. In the sawdust only substrate the spread of the mycelium was arrested at about 4 weeks and fruitbody yield was higher when substrates were mixed with eutrophics. Dry matter content of the substrates decreased by between 4.3-22.1% during incubation and was particularly reduced in fruitbody harvested substrates
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