... reproductive performance of cows, sows, and poultry breeders; 2.Improve animal (such as cows, sows, poultry, fish, shrimp etc.) immunity, enhance ... animal physique; 3.Can be converted to vitamin A when necessary; ... content 10%Application(formula feed)Cow 10-300g/t, pig 10-500g/t, poutry 5-300g/t, aquatic animal 10-600g/t ...