营养性添加剂，饲料添加剂的一类。根据中国国家技术监督局发布的《饲料工业通用术语》，饲料添加剂定义为：为满足特殊需要而加入饲料中的少量或微量营养性或非营养性物质。
饲料中非营养性添加剂长期使用已对动物性食品的安全和人类的健康造成了严重的威胁。
The problem with the long-term use of the non-nutritions additives in feeding has had bad effects on animal food and man's health.
结果表明：微量元素赖氨酸螯合物是优良的营养性饲料添加剂，可提高日增重6.4%，改善饲料效率7.0%。
The result showed that: trace-lysine-chelates are excellent nutritive feed additives, trace-lysine-chelate significantly increased average daily gain by 6.4% and improved feed efficiency by 7.0%.
第二条本办法所指饲料添加剂包括营养性饲料添加剂、一般饲料添加剂。
Article 2 the term "feed additives" as mentioned in these Measures include nutritive feed additives and common feed additives.
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