The principles that feed additives should follow:
1.感官要求:它应该有颜色,smell,taste and tissue morphology characteristics of the variety,without peculiar smell or smell.
2.The feed additive products used in feed should be produced by the enterprise that has obtained the production license of feed additive products and obtained the product approval number.
3.During the laying period and before the start of production;medicated feed additives should not be used in weekly chicken feed(except for special provisions of Chinese herbal medicine).
4.The allowable amount of harmful substances and microorganisms should meet the requirements of GB 13078 and related standards.
5.The nutritive feed additives and general feed additive products used in the feed should be the varieties specified in Appendix A and the new feed additives that are allowed to be used announced by the Ministry of Agriculture.
6.The use of feed additives should comply with the usage and dosage specified in the product feed label.