Effects of dietary supplementation with oridonin on the growth performance, relative organ weight, lymphocyte proliferation, and cytokine concentration in broiler chickens

Table 1 Ingredients and chemical composition of diets used during starter (1–14 d of age), grower (15–28 d of age), and finisher periods (29–42 d of age)

Ingredients (g/kg)	1–14 d	15–28	29–42 d
Corn	428	459	476
Soybean meal (43%, crude protein)	365	250	203
Wheat	130	220	250
Soybean oil	17	8.5	10
Corn gluten meal	20	0	0
Canola meal	0	25.5	25
Na chloride	2.3	3	2.8
Dicalcium phosphate	15	12.5	11
Na bicarbonate	2.4	0.9	1
Ca carbonate	10.8	10.4	11
DL-Methionine	2.7	1.5	1.5
L-Lysine·HCl	2.2	0.6	1.1
Premix^a	2	2	2
Multi-enzyme	0.3	0.3	0.3
Phytase	0.3	0.3	0.3
Bentonite	0.0	5.5	5
Prebiotics	2	0	0
Total	1, 000	1, 000	1, 000
Calculation of nutrients (g/kg)
Apparent metabolism energy (MJ/kg)	12.5	12.7	12.9
Crude protein	222	201	193
Calcium	9.7	9.3	9.0
Available phosphorus	4.7	4.5	4.2
Lysine	13.8	11.3	11.0
Methionine	6.0	4.7	4.3
Methionine + cysteine	8.1	7.6	7.1

^aPremix provided per kg of diet: Vitamin A (transretinyl acetate), 10,000 IU; Vitamin D₃ (cholecalciferol), 3000 IU; Vitamin E (all-rac-α-tocopherolacetate), 30 IU; menadione, 1.3 mg; thiamine 2.2 mg; riboflavin, 8 mg; nicotinamide, 40 mg; choline chloride, 600 mg; calcium pantothenate, 10 mg; pyridoxine·HCl, 4 mg; biotin, 0.04 mg; folic acid, 1 mg; vitamin B₁₂ (cobalamine), 0.013 mg; Fe (from ferrous sulfate), 80 mg; Cu (from copper sulfate), 8 mg; Mn (from manganese sulfate), 110 mg; Zn (Bacitracin Zn), 65 mg; iodine (from calcium iodate), 1.1 mg; Se (from sodium selenite), 0.3 mg

ISSN: 1746-6148