Abstract:This experiment evaluated the effects of Saccharomyces cerevisiae (S. cerevisiae) and citric acid on production performance, egg quality, intestine histomorphology, and avian β-defensin 1 and 2 (AvBD 1 and 2) gene expressions in laying Japanese quails. A total of 400 48-day-old quails were randomly assigned to a 2×2×2 factorial arrangement of treatments with 5 replicates (each containing 10 quails) for 7 weeks. Variable factors consisted of S. cerevisiae (0 and 100 mg/kg diet), citric acid (0 and 5 g/kg diet),… Show more
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