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Table 6 Serum calcium and phosphorus levels of duck breedersc

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

Vitamin level CX + 25-OH-D3 Female Male
Calcium, mmol/L Phosphorus, mmol/L Calcium, mmol/L Phosphorus, mmol/L
REGULAR - 2.92 2.70b 2.18 1.07
REGULAR + 3.42 3.67a 2.47 1.62
HIGH - 3.12 3.83a 2.42 1.58
HIGH + 3.25 3.52a 2.50 1.63
SEM   0.06 0.15 0.05 0.09
P-value
     Vitamin 0.889 0.085 0.208 0.151
     CX + 25-OH-D3 0.010 0.245 0.077 0.100
     Vitamin × (CX + 25-OH-D3) 0.125 0.026 0.290 0.172
  1. a, b Different superscripts in a row indicate differ significantly (P ≤ 0.05)
  2. c CX canthaxanthin, 25-OH-D 3 25-hydroxycholecalciferol