经过评估，专家小组得出结论，在建议的使用条件下，维生素K1用作马的饲料添加剂是安全的，在马匹的营养中使用维生素K1被认为对消费者和环境也是安全的。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 safety and efficacy of a feed additive consisting of vitamin K1 (phytomenadione) produced by chemical synthesis when used as a nutritional additive in complementary feed of horses at a maximum supplemental level of 14 mg vitamin K1/horse per day. The use of vitamin K1 is safe when used as a feed additive for horses under the proposed conditions of use. The use of vitamin K1 in nutrition of horses under the proposed conditions of use is considered safe for the consumer and the environment. No exposure of users by inhalation is expected. The Panel cannot conclude on the potential of the additive to be a skin and eye irritant. Vitamin K1 is considered a moderate dermal sensitiser. Vitamin K1 is an effective source of vitamin K in horse nutrition. The Panel recommends that the specifications of the additive refer to the substance‐related impurities listed in the most updated monograph of the European Pharmacopoeia.

 

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