欧盟评估Avatec 150G作为育肥鸡和蛋鸡饲料添加剂的安全性和有效性

 

　　据了解，Avatec 150G的活性物质为聚醚类离子载体拉沙洛西钠（lasalocid A sodium）。根据附加信息，专家小组无法就添加剂Avatec 150G作为育肥鸡饲料的安全性得出结论。由于缺乏足够的数据，评估小组无法就添加剂在最低建议剂量水平（75mg拉沙洛西钠 /kg全饲料）下对育肥鸡的抗球虫病功效作出结论，这一结论也适用于蛋鸡。部分原文报道如下：

 

　　Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP ) was asked to deliver a scientific opinion on the safety and efficacy of Avatec? 150G (lasalocid A sodium) for chickens for fattening and chickens reared for laying. In 2017, the FEEDAP Panel was not able to conclude on a safe dose for chickens for fattening and chickens reared for laying and no conclusion could be drawn on the anticoccidial efficacy of the additive at the lowest proposed used level (75 mg lasalocid A sodium/kg feed) in these species. In the present assessment, the applicant submitted new tolerance and efficacy studies in chickens for fattening to address the concerns identified by the FEEDAP Panel in its former opinion. In addition, the applicant proposed to decrease the maximum of the dose range from 125 to 100 mg lasalocid A sodium/kg complete feed. based on the additional information, the FEEDAP Panel concludes that no safe level of lasalocid A sodium from Avatec? 150G in feed for chickens for fattening can be identified. The FEEDAP Panel is not in the position to conclude on the coccidiostatic efficacy of Avatec? 150G for chickens for fattening at the lowest proposed dose level of 75 mg lasalocid A sodium/kg complete feed due to the insufficient number of studies with positive results. The conclusions are extended to chickens reared for laying.