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欧盟评估添加剂COXAM®对育肥鸡和蛋鸡的有效性

放大字体  缩小字体 时间:2021-03-15 10:52 来源:食品伙伴网 作者: 泽夕   
核心提示:2021年3月12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)研究小组就饲料添加剂COXAM®对育肥鸡和蛋鸡的有效性发表科学意见。
   食品伙伴网讯  2021年3月12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)研究小组就饲料添加剂COXAM®对育肥鸡和蛋鸡的有效性发表科学意见。
 
  据了解,COXAM®的活性物质为盐酸氨丙啉(amprolium hydrochloride),作为育肥鸡和蛋鸡饲料的抗球虫剂。经过评估,专家小组得出结论,当添加剂含量为125毫克盐酸氨丙啉每千克全价饲料时,COXAM®在控制育肥鸡和蛋鸡的球虫病方面是有效的。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 efficacy of amprolium hydrochloride COXAM®) for chickens for fattening and chickens reared for laying. COXAM® is a coccidiostat intended to be used to control coccidiosis in chickens for fattening and chickens reared for laying up to 12 weeks of age at a dose of 125 mg amprolium hydrochloride (HCl)/kg complete feed. In its former opinion, the FEEDAP Panel was not in the position to conclude on the efficacy of COXAM® for chickens for fattening and chickens reared for laying due to insufficient number of positive and significant effects on relevant parameters in one of the anticoccidial sensitivity tests (ASTs) evaluated. In the present submission, an additional AST has been provided by the applicant. In this study, challenge by an Eimeria inoculum of low pathogenicity indicated the coccidiostatic potential of amprolium HCl based on the reduction of intestinal lesions. Considering the results of three floor pen trials and two ASTs described and assessed in a previous EFSA opinion and taking into account the newly submitted AST, the FEEDAP Panel concludes that COXAM® is efficacious in controlling coccidiosis in chickens for fattening at a dose of 125 mg amprolium HCl/kg complete feed. This conclusion is extended to chickens reared for laying.
 
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日期:2021-03-15
 
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