β?carotene is the most active vitamin A precursor in carotenoids, which not only has biological ac?tivity of vitamin A, but also plays a unique role in animal reproduction. Reproductive performance of sows is a key link in sow production. As a natural feed additive, β?carotene can anti?oxidation, maintain intestinal health, improve immunity and reproductive performance in sow production. This paper aimed to illustrate phys?iological function and mechanism of β?carotene, and reviewed research results of β?carotene in sow breeding, which coul...
