Darling Ingredients Inc. announced Oct. 5 that it has acquired specialty pet food maker Triple-T Foods - Arkansas Inc. for an undisclosed amount in a bid to expand its protein business.

"Triple – T has established a long history of providing quality proteins into the high-end pet food markets and we look forward to building upon that reputation," Darling CEO and chairman Randall Stuewe said.

The deal includes Triple-T's ingredients operation in Springdale, Ark. and its cold storage operation in Rogers, Ark.