Effect of dietary canthaxanthin and 25-hydroxycholecalciferol supplementation on the performance of duck breeders under two different vitamin regimens

Table 1 Composition and nutrient levels of the basal diet (fed-basis)

Item, %	Amount
Ingredient
Corn	24.4
Soybean meal, 43 %	22.0
Wheat flour	20.0
Rice bran	15.0
Rice bran meal	2.9
Rapeseed meal	5.0
Meat and bone meal	3.5
Calcium carbonate	6.3
L-Lysine-H₂SO₄	0.13
D, L-methionine	0.12
Sodium chloride	0.3
Choline chloride, 50 %	0.1
Premix^{a, b}	0.25
Analyzed nutrient content
CP	20.68
Calcium	3.020
Total phosphorus	0.810
DM	86.73
Calculated nutrient content
ME, MJ/kg	11.00
Nonphytate phosphorus	0.303
Lysine	1.087
Methionine	0.446
Methionine + Cystine	0.705
Threonine	0.749
Tryptophan	0.263

^a Supplied per kilogram of diet: copper, 12 mg; iron, 70 mg; zinc, 80 mg; manganese, 100 mg; selenium, 0.25 mg; iodine, 0.2 mg
^b Supplied per kilogram of diet. REGULAR vitamin premix: vitamin A, 10,000 IU; vitamin D₃, 3,000 IU; vitamin K₃, 5 mg; vitamin E, 30 mg; vitamin B₁, 4 mg; vitamin B₂, 6 mg; vitamin B₆, 4 mg; vitamin B₁₂, 0.015 mg; nicotine acid, 50 mg; pantothenic acid, 15; biotin, 0 mg; folic acid, 1 mg. HIGH vitamin premix: vitamin A, 15,000 IU; vitamin D₃, 4,000 IU; vitamin K₃, 5 mg; vitamin E, 100 mg; vitamin B₁, 5 mg; vitamin B₂, 16 mg; vitamin B₆, 5 mg; vitamin B₁₂, 0.025 mg; nicotine acid, 60 mg; pantothenic acid, 20; biotin, 0.2 mg; folic acid, 2.5 mg

ISSN: 2049-1891