https://phys.org/news/2018-06-dogs-fat-cats-surprisingly-tend.html

Findings were published this month in the Journal of Experimental Biology.

"The numbers were much different than what traditional thinking would have expected," said the study's corresponding author, Jean Hall, a professor in the Carlson College of Veterinary Medicine at Oregon State University. "Some experts have thought cats need diets that are 40 or 50 percent protein. Our findings are quite different than the numbers used in marketing and are going to really challenge the pet food industry."