Table 1.

Ingredient and nutrient composition of experimental cat foods

Diet	MG	CE	BP
Ingredient composition, %
Chicken byproduct meal low ash	35.22	35.22	35.22
Brewers rice	14.07	14.07	14.07
Corn	14.07	14.07	14.07
Wheat	14.07	14.07	14.07
Miscanthus grass	10.00	–	–
Cellulose	–	10.00	–
Beet pulp	–	–	10.00
Corn gluten meal (75% crude protein)	5.00	5.00	5.00
Salt	0.40	0.40	0.40
Potassium chloride	0.26	0.26	0.26
Choline chloride (60%)	0.20	0.20	0.20
Vitamin premixa	0.20	0.20	0.20
Calcium carbonate	0.20	0.20	0.20
Trace mineral premixb	0.20	0.20	0.20
Fish oil	0.10	0.10	0.10
Taurine	0.10	0.10	0.10
Natural antioxidant	0.10	0.10	0.10
Titanium oxide	0.40	0.40	0.40
Chromium sesquioxide	0.25	0.25	0.25
Chicken fatc	4.01	4.01	4.01
Flavor enhancerc	1.00	1.00	1.00
Nutrient concentration on a dry matter basis
Dry matter, %	94.53	94.48	94.60
Crude protein, %	35.40	34.20	33.80
Crude fat, %	11.40	12.00	11.60
Ash, %	7.16	7.01	7.00
Crude fiber, %	5.56	8.90	2.95
TDF, %	13.76	14.48	10.88
Nitrogen-free extractd, %	26.81	26.79	31.32
Gross energy, kcal/kg	4839	4823	4839

^aVitamin E supplement (79,887 IU/kg), niacin supplement (64,736 mg/kg), calcium pantothenate (12,186 mg/kg), vitamin A supplement (17,162,998 IU/kg), thiamin mononitrate (14,252 mg/kg), pyridoxine hydrochloride (5,537 mg/kg), riboflavin supplement (4,719 mg/kg), vitamin D3 supplement (920,000 IU/kg), biotin (70 mg/kg), vitamin B12 supplement (22 mg/kg), and folic acid (720 mg/kg), as is basis.

^bZinc sulfate (88,000 mg/kg), ferrous sulfate (38,910 mg/kg), copper sulfate (11,234 mg/kg), manganous oxide (5,842 mg/kg), sodium selenite (310 mg/kg), calcium iodate (1,584 mg/kg), as is basis.

^cAdded after the diets were dried to less than 10% moisture as a coating step.

^dNitrogen-free extract = dry matter − crude protein − crude fat − ash − TDF.