Beneficial effects of a decreased meal frequency on nutrient utilization, secretion of luteinizing hormones and ovarian follicular development in gilts

Table 1 Ingredients and nutrient content of experimental diets

Ingredients	kg/t
Corn	708.38
Soybean meal (44%CP)	160.00
Fish meal (65%CP)	30.00
Soybean oil	13.00
Wheat bran	33.40
Corn starch	27.42
L-Lysine sulfate, (98.5%)	1.20
DL-Methionine, (99.0%)	0.10
Limestone	6.00
Calcium phosphate (dibasic)	11.00
Sodium chloride (feed-grade, 99%)	4.00
Choline chloride (50%)	1.50
Premix^a	4.00
Total	1000.00
Calculated nutrient levels^b
Digestible energy, Mcal/kg	3.38
Crude protein, %	15.76
Calcium, %	0.67
Total phosphorus, %	0.60
STTD phosphorus, %	0.38
SID-Lysine	0.80
SID-(Met+Cys)	0.45
SID-Threonine	0.48
SID-Tryptophan	0.15

^aProvided per kg of diet: Cu, 20 mg as copper sulfate; Fe, 80 mg as ferrous sulfate; Zn, 100 mg as zinc sulfate; Mn, 25 mg as manganese sulfate; Se, 0.15 mg as sodium selenite; I, 0.14 mg as potassium iodide, vitamin A, 4000 IU; vitamin D₃, 800 IU; vitamin E, 441 IU; menadione, 0.5 mg; thiamine, 1.0 mg; riboflavin, 3.75 mg; vitamin B₆, 1.0 mg; vitamin B₁₂, 15 μg niacin, 10 mg; D-pantothenic acid, 12 mg; folic acid, 1.3 mg; D-biotin, 200 μg
^bCalculated values based on China Feed Information Database 2013

ISSN: 2049-1891