... widely used in human medicine to improve immunity, treat flu, as well as AIDS. We have made numerous field ... performance in viral disease prevention and treatment on poultry and swine. Main ingredients of Purple-chryEchinacea extract, Astragalus membranaceus extract ... IBD, ND, AI, etc.- Prevent the outbreak of Swine Fever, Swine Flu, PRRS(porcine reproductive and respiratory syndrome), and PCV(porcine ...