Vitamins are the nutrients needed for the chicken to sustain life and grow. Although the dosage is not much, if the
lack of it will have a certain impact on the health of the chicken, there are many kinds of vitamins, and the demand
for vitamins is different at different stages.

Vitamin C has anti-stress and anti-infective effects. In chickens under stress conditions such as high temperature,
cold and transportation, the addition of vitamin C has a certain effect, and it has certain improvement on egg
production and egg quality.

Vitamin A plays an important role in maintaining the normal growth, development, reproduction and immune function of
chicken in poultry farming equipment and can improve the immunity of chicken.

Vitamin D is an indispensable vitamin for helping chickens to absorb calcium and phosphorus. When it is lacking,

it can cause rickets and rickets. More sun exposure is also good for chickens.