Table 1. Formulas and concentrations of vitamin premix in gestation diets

Vitamin requirements of the NRC (2012) Concentration of vitamin in vitamin premix
Vitamin A (lU/kg) 4,000 12,000
Vitamin D3 (IU/kg) 800 2,400
Vitamin E (50%) (IU/kg) 44 132
Vitamin K (menadione) (mg/kg) 0.50 1.50
Biotin (2%) (mg/kg) 0.20 0.60
Folacin (vitamin B9) (mg/kg) 1.30 3.90
Niacin (mg/kg) 10 30
Calcium d-pantothenate (mg/kg) 12 36
Riboflavin (vitamin B2) (80%) (mg/kg) 3.75 11.25
Thiamin (vitamin B1) (98%) (mg/kg) 1.00 3.00
Vitamin B6 (100%) (mg/kg) 1.00 3.00
Vitamin B12 (1%) (μg/kg) 15 45
NRC, National Research Council.