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據(jù)了解，纖維素酶是由黑曲霉CBS 120604生產(chǎn)的，β-葡聚糖酶是由新黑曲霉MUCL 39199生產(chǎn)的，木聚糖酶是由桔綠木霉MUCL 39203和CBS 614.94生產(chǎn)的。部分原文報道如下：

Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and the efficacy of the feed additives cellulase (produced by Aspergillus niger CBS 120604), beta-glucanase (produced by Aspergillus neoniger MUCL 39199) and xylanases (produced by Trichoderma citrinoviride MUCL 39203 and CBS 614.94) as silage additives for all animal species. In 2018, the FEEDAP Panel evaluated 11 enzymes to be used as silage additives. In that opinion, the additives, including the production strains, were characterised in full and their safety and efficacy were evaluated. However, the Panel could not conclude on the identification of the production strains of the xylanase produced by the strain with deposit number MUCL 39203 (product referred as to J) and the glucanase produced by strain with deposit number MUCL 39199 (product referred as to L). The Panel could not conclude either on the efficacy of the products J, L as well as for the cellulase produced by the strain with deposit number CBS 120604 (product referred as to H) and the xylanase produced by the strain with deposit number CBS 614.94 (product referred to as K). The newly submitted information showed that the species for the xylanase produced by the strain with deposit number MUCL 39203 (product J), should be changed into Trichoderma citrinoviride, and that the species of the production strain for the glucanase produced by the strain with deposit number MUCL 39199 (product L), should be changed into Aspergillus neoniger. The Panel concluded that the four additives have the potential to reduce the protein degradation during the ensiling process when added at the corresponding inclusion levels in different types of forages.