Merck Animal Health (MSD Animal Health)(MRK)
Merck Animal Health (Madison NJ; division of Merck & Co.; ~$5.5B revenue) manufactures AviPro brand avian influenza and Newcastle disease vaccines for commercial poultry. Products sold as MSD Animal Health outside North America. Merck Animal Health is the third-largest animal health company globally. De Soto KS biologics manufacturing site.