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Effect of different concentrations of phosphorus and vitamin B12 supplementation (0 (control), 0.02, 0.04, 0.06, 0.08, and 0.10%) on sperm viability (A) mitochondrial activity (B) plasma membrane integrity (C) and acrosome integrity (D) in chilled semen rooster on specific days after collection. a–dDifferent superscript letters within day indicate significant differences (P < 0.05).
