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Food and calorie intake and food efficiency ratio. Food intakes were recorded twice per week (A), the calorie intakes were calculated according to the percentage of calories in each diet (B), and the food efficiency ratio (FER) was calculated by dividing body weight gain (g/day) by food intake (g/day) (C). Data were expressed as the means ± SEM and statistically evaluated using one-way ANOVA followed by Bonferroni’s post hoc test. ∗∗P < 0.01 (n = 7).
