欧盟评估一种由内切-1,4-β-木聚糖酶、内切-1,3（4）-β-葡聚糖酶和内切-1,4-β-葡聚糖酶组成的饲料添加剂对育肥家禽、产蛋家禽和断奶仔猪的安全性和有效性|环球新视野

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    2023年6月9日，据欧盟食品安全局（EFSA）消息，应欧盟委员会要求，欧盟动物饲料添加剂和产品（FEEDAP）研究小组就一种由内切-1,4-β-木聚糖酶（endo-1,4-β-xylanase）、内切-1,3（4）-β-葡聚糖酶（endo-1,3(4)-beta-glucanase）和内切-1,4-β-葡聚糖酶（endo-1,4-beta-glucanase）组成的饲料添加剂对育肥家禽、产蛋家禽和断奶仔猪的安全性和有效性发表科学意见。

据了解，添加剂中的三种酶是由里氏木霉ATCC 74444生产的。部分原文报道如下：

Ronozyme®Multigrain G/L is the trade name of the feed additive under assessment containing endo-1,4-beta-xylanase, endo-1,4-beta-glucanase and endo-1,3(4)-beta-glucanase produced by a non-genetically modified strain of Trichoderma reesei (ATCC 74444). It is authorised for use as a zootechnical additive (functional group: digestibility enhancer) in poultry for fattening, poultry for laying and weaned piglets. This scientific opinion concerns the request for the renewal of the authorisation of the additive for the species/categories for which there is an authorisation. The applicant provided evidence that the additive currently in the market complies with the conditions of the authorisation. There is no new evidence that would lead the EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) to reconsider previous conclusions that the additive is safe for the animal species/categories, the consumer and the environment under the authorised conditions of use. Regarding the safety for the user, the additive should be considered a potential respiratory sensitiser. In absence of data, the Panel could not conclude on the potential of the additive to cause skin and eye irritation or dermal sensitisation. There was no need for assessing the efficacy of the additive in the context of the renewal of the authorisation for poultry for fattening, poultry for laying and weaned piglets.

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