2019年11月28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CI‐FER™（柠檬酸铁螯合物（ferric citrate chelate））作为哺乳和断奶仔猪以及小型猪的动物工艺性饲料添加剂的安全性和有效性发表科学意见。
经过评估，专家小组认为在建议使用水平（500mg/kg全价饲料）下该饲料添加剂对目标物种是安全的，并有可能改善动物工艺性参数。
部分原文报道如下：
Following a request from the European Commission, the EFSA 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 CI‐FER™ （ferric citrate chelate） as zootechnical feed additive for suckling and weaned piglets and minor porcine species. The additive is safe for weaned piglets at the recommended level of 500 mg/kg complete feed. This conclusion can be extended to sucking piglets for the period in which solid feed is given and extrapolated to all minor porcine species. No concerns for consumer safety are expected from the use of the additive in piglets and minor porcine species. The FEEDAP Panel considers that the compound under assessment poses a risk to users by inhalation. The product should also be considered as an irritant to skin, eyes and mucous membranes. Due to the presence of nickel, CI‐FER™ should also be considered as a dermal and respiratory sensitiser. The supplementation of feed with the additive is not expected to pose an environmental risk. CI‐FER™ used at the minimum recommended level of 500 mg/kg feed has the potential to improve zootechnical parameters of weaned piglets. This conclusion can be extended to sucking piglets for the period in which solid feed is given and extrapolated to all minor porcine species.
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