Patterns of alteration in boar semen quality from 9 to 37 months old and improvement by protocatechuic acid

Table 1 Ingredients and nutrient composition of the basal diet (as fed basis)

Ingredients	%
Corn	47.00
Flour	20.00
Soybean meal (43% CP)	9.00
Fermented soybean meal	5.00
Extruded soybean	3.00
Fish meal	3.00
Wheat bran	10.00
Soybean oil	1.00
Premix^a	2.00
Nutrient composition (calculated value)
DE, kcal/kg	3,360
NE, kcal/kg	2,400
CP	17.00
EE	4.50
CF	3.65
NDF	11.80
SID Lys	0.96
SID Met	0.32
SID Thr	0.54
SID Ser	0.67
Total P	0.65
Digestible P	0.34
Total calcium	0.65

^aPremix provided per kilogram of complete feed: Cu 15 mg/kg, Fe 250 mg/kg, Zn 60 mg/kg, Mn 70 mg/kg, I 0.6 mg/kg, VA 10,000 IU, VD 3,000 IU, riboflavin 4.0 mg, pantothenic acid 40 mg, nicotinic acid 40 mg, biotin 0.3 mg, folic acid 1.0 mg, VB₁₂ 0.04 mg

ISSN: 2049-1891