It's also less expensive for companies to use than meat proteins so that makes it desirable for pet foods. (dogfoodinsider.com)
Its precision and safety makes it desirable for treatment of pediatric tumors and particularly tumors of the brain, spine, eye, lung, head and neck, and bone. (hopkinsmedicine.org)
Those that do find it desirable to put them in the same bucket typically have a personal reason for why that suits their needs better. (money.stackexchange.com)