Vitamin C, also known as ascorbic acid, is easily soluble in water and mainly exists in some green feeds.Product function Vitamin C can alleviate animal stress response, enhance animal immunity, promote animal growth and improve animal fecundity. VC contributes to the growth and development, reproduction, wound healing, disease resistance and immune system strength of fish. Adding vitamin C to poultry feed can help to improve the survival rate of chicks, resist cold, prevent all kinds of stress, assist in the prevention and treatment of diseases and improve the effect of insect repellent.