Table 2. Ingredient and nutrient composition of diets fed to adult dogs to evaluate gut microbiome composition.

Item, %	Control diet	Beet pulp diet
	-----------------As-is basis-----------------
Brewer's rice	45.22	37.72
Poultry byproduct meal	37.00	37.00
Poultry fat	14.00	14.00
Beet pulp1	0.00	7.50
Dried egg	2.40	2.40
Potassium chloride	0.56	0.56
Salt	0.45	0.45
Choline chloride – 50%	0.13	0.13
Vitamin premix2	0.12	0.12
Mineral premix3	0.12	0.12
Dry matter	94.62	95.06
	-------------Dry matter basis--------------
Organic matter	93.21	92.85
Crude protein	29.72	28.04
Acid hydrolyzed fat	19.41	20.97
Total dietary fiber	1.39	4.49
Soluble dietary fiber	0.91	1.82
Insoluble dietary fiber	0.48	2.67

¹Beet pulp: 60.27% total dietary fiber; 12.24% soluble dietary fiber; 48.03% insoluble dietary fiber.

²Provided per kilogram of diet: Vitamin A, 10560 IU; vitamin D₃, 1056 IU; vitamin E, 105.6 IU; vitamin K, 0.5 mg; thiamin, 2.6 mg; riboflavin, 3.4 mg; pantothenic acid, 13.2 mg; niacin, 23.8 mg; pyridoxine, 2.1 mg; biotin, 0.1 mg; folic acid, 264 µg; vitamin B₁₂, 66 µg.

³Provided per kilogram of diet: Manganese (MnO), 66 mg; iron (FeSO₄), 120 mg; copper (CuSO₄), 18 mg; cobalt (CoCO₃), 1.2 mg; zinc, (ZnO), 240 mg; iodine (C₂H₆N₂·2HI), 1.80 mg; selenium (Na₂SeO₃), 240 µg.