an increasing trendp < 0.05
Growth Performance As shown in Table 2 , the final weight of calves showed an increasing trend with the increase in the concentration of Zn amino acid complex supplementation; the final weight of calves in group C was higher than in group A ( p < 0.05); moreover, the average daily weight gain was 36.58% higher in group C compared to group A ( p < 0.05). 3.2.