Nestlé Purina filed a federal lawsuit against Blue Buffalo, accusing the rival pet food maker of lying to customers about its use of natural ingredients. The St. Louis-based company said independent tests show that Connecticut-based Blue Buffalo uses chicken byproducts and corn in its products — despite claims to the contrary.
Blue Buffalo issued a letter to its customers, reiterating its marketing claims and tossing a counterpunch at Purina, calling its evidence “voodoo science.”
The company’s website allows visitors to compare a competitor’s dog or cat food against those made by Blue Buffalo. The results of those comparisons show that Blue Buffalo’s products don’t have chicken byproducts or corn.