欧盟评估地衣芽孢杆菌DSM 34315生产的α-淀粉酶作为育肥鸡、育肥火鸡和小型生长家禽物种饲料添加剂的安全性和有效性

 

　　经过评估，专家小组得出结论，该添加剂在80 KNU/千克全价饲料的水平下，对育肥鸡、育肥火鸡和小型生长家禽物种是安全的。由于缺乏数据，专家小组无法对添加剂的功效做出结论。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 the alpha-amylase (Ronozyme® HiStarch CT/L) produced with a genetically modified strain of Bacillus licheniformis (DSM 34315) as a zootechnical feed additive for chickens for fattening, turkeys for fattening and minor growing poultry species. The additive is available in two forms, a coated thermotolerant granulate formulation and a liquid formulation. The production strain and its DNA were not detected in an intermediate concentrated product representative of the final formulations. The Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) concluded that the final product did not trigger safety concerns with regard to the genetic modification. The Panel concluded that Ronozyme® HiStarch CT/L is safe for chickens for fattening, turkeys for fattening and minor growing poultry species at the recommended inclusion level of 80 KNU/kg complete feed. The use of Ronozyme® HiStarch CT/L in animal nutrition under the proposed conditions of use is safe for the consumers and the environment. The additive in any form was shown to be non-irritant to the skin and the solid form was shown to be non-irritant to the eyes. No conclusions could be drawn on the potential of the liquid form to be irritant to the eyes or on the potential of both forms of the additive to be dermal sensitisers due to lack of data. Owing to the proteinaceous nature of the active substance, the additive in either form was considered to be a respiratory sensitiser and any exposure by inhalation is considered a risk. In the absence of data, the Panel was not in the position to conclude on the efficacy of Ronozyme® HiStarch CT/L for chickens for fattening, turkeys for fattening and minor growing poultry species.

 

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