The principles that feed additives should follow:
1. Sensory requirements: It has the color, smell, taste and tissue morphological characteristics of the variety, and has no odor or smell.
2. The feed additive product used in the feed shall be the product produced by the enterprise that has obtained the production license for the feed additive product and obtained the product approval number.
3, before the laying period and before the start of production; pharmaceutical feed additives should not be used in the 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 shall be the varieties specified in Appendix A and the new feed additives approved by the Ministry of Agriculture.
6. The use of feed additives should be used in accordance with the usage and dosage specified in the product feed label.
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