MIDDLETON, Wis.--(BUSINESS WIRE)--Spectrum Brands Holdings, Inc. (NYSE: SPB), a global and diversified consumer products company with market-leading brands, announced today it has acquired privately owned Salix Animal Health, LLC, the world’s leading and largest vertically integrated producer and distributor of premium, natural rawhide dog chews, treats and snacks with annual revenues of approximately $100 million. Financial terms of the accretive, all-cash transaction were not disclosed. “Sali