How to Supplement Vitamins to Chickens in a Scientific and Reasonable Way

1. When the flock has a stress response (such as vaccination, moving to another house, etc.), an additional 10% of vitamins A, E, D, and C should be added.

2. When the flock has a chronic disease (such as chronic respiratory disease), an additional 10% of vitamins A, E, and C should also be added.

3. For chicks, the lower the vitamin A content in the feed, the higher the incidence of coccidiosis in chickens, so when chickens suffer from coccidiosis, an additional 20% of vitamins A, K, and C should be added to the feed.

4. When chickens suffer from fatty liver syndrome, an additional 5% of choline chloride and 10% of multivitamins should be added.

5. In hot summer, an additional 2% of vitamin C should be added to chicken feed, which can improve the disease resistance of chickens, lower their body temperature, improve production performance, and reduce stress responses.

6. During the peak laying period, laying hens should be given an additional 2% of vitamin B2; to increase eggshell hardness, in addition to adding an additional 2% of calcium to the feed, an additional 2% of vitamins A and C should also be added.

7. When the flock suffers from pullorum disease or coccidiosis, double the amount of multivitamins should be added to the feed.

8. When the flock suffers from a certain vitamin deficiency, the amount of vitamins added to the feed should be three times the normal amount.

9. The amount of vitamins added to the feed of young chickens and breeding chickens should be double the normal amount.

10. Generally speaking, cage@#@230@#@-raised chickens should be given 10% more multivitamins in their feed than free-range chickens.

11. If the feed has been stored for too long (more than one month), an additional 5%-10% of multivitamins should be added to make up for the loss of vitamins.