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Bacterial spoilage of spawn of white button mushroom and its management

机译：白蘑菇的产卵细菌变质及其管理

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It is estimated that on an average 15-20% of commercial spawn is lost every year due to contamination by different types of microorganisms. The eereal grains used for spawn substrate preparation are considered as the main source of contamination and a re proved that the grains harbour various kinds of microorganisms. According to an estimate one gram of grain sample contains about 43,000 to 108,000 propagules of bacteria, 228 of actinomycetes, 12,000 of fungi and a large number of yeasts. So in order to produce 1 g of contamination-free spawn one has to destroy about 100,000 propagules of microorganisms. Most of the investigations in India have remained confined to fungal contamination with least attention to bacterial contaminants which in fact pose more problems and offer limited options to the spawn makers.
机译：据估计，每年平均有15-20％的商业产卵因不同类型的微生物污染而损失。用于产卵基质制备的谷物被认为是主要的污染源，并证明谷物中含有各种微生物。据估计，一克谷物样品包含约43,000至108,000细菌繁殖体，228放线菌，12,000真菌和大量酵母菌。因此，为了产生1克无污染的产卵场，必须消灭大约100,000传播的微生物。印度的大多数调查仍局限于真菌污染，而对细菌污染物的关注却很少，而细菌污染物实际上带来了更多的问题，并为产卵者提供了有限的选择。

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