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进行了两个试验以评价水产饲料中胶原蛋白替代鱼粉的效果。生长试验是在基础饲料(对照组,含鱼粉12%)中分别以2%、4%胶原蛋白等重量替代鱼粉饲养平均体重6.5g的异育银鲫(共315尾)35d,各组鱼体增重率分别为71.3%,70.9%,71.9%,各组间没有显著差异(P>0.05);消化试验是采用平均体重110g的异育银鲫,按套算法测定了异育银鲫对胶原蛋白的蛋白质消化率为97.3%。研究结果表明,胶原蛋白具有很高的消化吸收率,可部分替代鱼粉而对异育银鲫的增重无影响。
Two trials were conducted to evaluate the effect of collagen in fishmeal as an alternative to fishmeal. The growth test was carried out on 315 days of allogynogenetic crucian carp with an average weight of 6.5g in basal diet (control group containing 12% fish meal) with 2%, 4% collagen instead of fish meal for 35 days, The weight gain rates were 71.3%, 70.9% and 71.9%, respectively. There was no significant difference among the groups (P> 0.05). The digestion test was conducted on allogynogenetic crucian carp Protein protein digestibility was 97.3%. The results show that collagen has a high rate of digestion and absorption, which can partially replace fish meal and has no effect on the weight gain of allogynogenetic crucian carp.