　　 食品伙伴网讯2023�?�?6日，�?a href='//www.sqrdapp.com/news/tag_1377.html' class='zdbq' title='欧盟食品安全局相关食品资讯' target='_blank'>欧盟食品安全局＇�a href='//www.sqrdapp.com/news/tag_10.html' class='zdbq' title='EFSA相关食品资讯' target='_blank'>EFSA）消息，应欧盟委员会要求，欧盞�a href='//www.sqrdapp.com/news/tag_4566.html' class='zdbq' title='动物相关食品资讯' target='_blank'>动物饲料添加剁�/a>和产品（FEEDAP）研究小组就一种由内切-1,4-��- 木聚糖酶�?a href='//www.sqrdapp.com/news/tag_294.html' class='zdbq' title='蛋白酶相关食品资�? target='_blank'>蛋白酵�/a>�?alpha;- 淀粉酶组成的饲料添加剂对育肥鸡、产蛋鸡和小垊�a href='//www.sqrdapp.com/news/tag_863.html' class='zdbq' title='家禽相关食品资讯' target='_blank'>家禽物种的安全性和有效性发表科学意见�

　　据了解，内切-1,4-��-木聚糖酶是由里氏木霉ATCC PTA-5588生产的，蛋白酶是由枯草芽孢杆菌CBS 148232生产的，��-淀粉酶是由地衣芽孢杆菌ATCC SD-6525生产的。部分原文报道如下：

　　Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of endo-1,4-beta-xylanase produced by Trichoderma reesei ATCC PTA-5588, protease produced by Bacillus subtilis CBS 148232, and alpha-amylase produced by Bacillus licheniformis ATCC SD-6525, Axtra? XAP 104 TPT, for chickens for fattening, laying hens and minor poultry species. In the previous assessment, a series of shortcomings did not allow to co nclude on the safety of the product. The shortcomings included uncertainty on the presence of viable cells of one of the production strains; uncertainty on the identity of the production strains of the ■■■■� used in the manufacturing process of the protease and their presence in the final additive; and uncertainty a bout the test item used for the toxicological testing of the xylanase. Moreover, the Panel could not co nclude on the efficacy in laying hens. The applicant submitted some new information to address some of the limitations previously identified. Moreover, the applicant declared a change in the production strain of the protease, substituting B. subtilis ATCC SD-2107 for B. subtilis CBS 148232. The Panel co ncluded that the additive is safe for the target species at the recommended use level (1,000 xylanase U, 100 amylase U and 2,000 protease U per kg feed). The additive is safe for the co nsumers of food products obtained from animals fed with the additive and raises no co ncerns for the environment. The Panel could not co nclude on the skin/eye irritancy potential of the additive nor on its dermal sensitisation potential. Owing to the proteinaceous nature of the active substances, the additive is co nsidered a respiratory sensitiser. The additive is efficacious in chickens for fattening, chickens reared for laying and minor poultry species up to the point of lay at the level of 2,000 xylanase U, 200 amylase U and 4,000 protease U per kg feed (double the minimum recommended use level). Owing to the lack of sufficient data, the Panel could not co nclude on the efficacy of the additive for laying hens.

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