Table 1.

Comparison of animal-sourced ingredients in grain-containing (n = 42) and grain-free (n = 35) dry cat diets

Protein source	Number of grain diets	Number of grain-free diets	P value
Beef	0	2	0.203
Dairy*	4	5	0.724
Egg	26	17	0.259
Fish †	30	25	1.000
Lamb	3	0	0.246
Meat ‡	3	0	0.246
Pork	2	4	0.402
Poultry §	40	25	0.009
Rabbit	0	2	0.203
Seafood ¶	4	1	0.369

^*Included whey, yogurt, milk, cheese and cottage cheese

^†Included fish, salmon, whitefish, ocean fish, trout, herring, menhaden and tuna

^‡Included meat, meat meal and animal digest

^§Included poultry, chicken, turkey, pheasant and duck

^¶Included mussel, crab, clam and calamari