Zadrazil, F. 1997. Changes in in vitro digestibility of wheat straw during fungal growth and after harvest of Oyster mushrooms (Pleurotus spp.) on laboratory and industrial scale. J. Appl. Anim. Res., 11: 37–48. The in vitro digestibilities of wheat straw during fungal growth and spent substrate left after the harvest of fruit bodies of Oyster mushrooms, (Pleurotus spp.) cultivated under laboratory and industrial conditions, were determined. Some strains of Pleurotus increased the in vitro digestibility of cereal straw under laboratory conditions by 63%. In an industrial production unit with a capacity of 6000kg mushroom/day, the mean in vitro digestibility of spent substrate after the harvest of mushrooms was 49.3±3.0% as compared to 42.8% of untreated straw. The yield of mushrooms was 170 kg per 1000 kg of original substrate. The quality of spent substrate from "low cost production" of mushrooms varied more in chemical composition and digestibility than substrates from industrial production.
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František Zadražil (1997) studied this question.
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