经过评估，专家小组认为在建议的使用条件下该添加剂对目标物种、消费者和环境是安全的。由于其被认为可以给食物调味，并且它们在饲料中的功能是相同的，因此认为没有必要进一步证明其功效。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 star anise oil from the fruit (without or with the presence of plant leaves) of Illicium verum Hook.f., when used as a sensory additive in feed and water for drinking for all animal species. For long-living and reproductive animals, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) co nsidered of low co ncern the use of the additive in complete feed at 0.6 mg/kg for laying hens and rabbits, 1.0 mg/kg for sows and dairy cows, 1.6 mg/kg for sheep/goats, horses and cats, 1.9 mg/kg for dogs and 6.5 mg/kg for ornamental fish. For short-living animals, the Panel had no safety co ncern when the additive is used at 83.3 mg/kg for veal calves, 73.3 mg/kg for sheep/goats, cattle for fattening and horses for meat production, 83.8 mg/kg for salmonids, 24.8 mg/kg for turkeys for fattening, 18.5 mg/kg chickens for fattening, 33.3 mg/kg for piglets, 40 mg/kg for pigs for fattening and 29.3 mg/kg for rabbits for meat production. These co nclusions were extrapolated to other physiologically related species. For any other species, the additive was co nsidered of low co ncern at 0.6 mg/kg. The use of star anise oil in animal feed is expected to be of no co ncern for co nsumers and for the environment. The additive under assessment should be co nsidered as an irritant to skin and eyes, and as a dermal and respiratory sensitiser. Due to the high co ncentration of estragole (�� 1%), the additive is classified as suspected of causing genetic defects and of causing cancer and should be handled accordingly. Since the fruit of I. verum and its preparations are recognised to flavour food and their function in feed would be the same, no further demo nstration of efficacy was necessary.

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