日粮辣度对黑水虻幼虫生长性能、转化率和减废指数的影响

Influence of Diet Spiciness on Black Soldier Fly Larvae in Growth Performance, Conversion Rate and Waste Reduction Index

黑水虻幼虫在餐厨垃圾资源化利用中具有很好的应用前景。为探讨辣度对黑水虻幼虫生长的影响,该研究设置7个不同辣度梯度日粮(辣椒碱浓度分别为0、0.2%、0.4%、0.6%、0.8%、1.0%和1.2%)饲喂7日龄黑水虻幼虫。结果表明:0.8%辣椒碱组料重比显著低于0.6%辣椒碱组(P<0.05),但与其他组无显著差异;0.8%辣椒碱组幼虫干物质含量最低,并显著低于0.6%和1.2%辣椒碱组(P<0.05);黑水虻幼虫的其他生长性能、存活率、转化率和减废指数等指标均无显著性差异(P>0.05)。总的来看,0.8%辣椒碱组饲料转化为虫体本身的营养物质最少,0.6%辣椒碱组饲料转化效率最低。黑水虻幼虫对辣度表现出较大的耐受性,研究结果可为黑水虻幼虫在餐厨垃圾资源化利用中的应用提供基础数据。

Black soldier fly larvae have good application prospects in the resource utilization of kitchen waste.To investigate the effect of spiciness on the growth of black soldier fly larvae,seven different spiciness gradient diets(capsaicin concentration of 0,0.2,0.4,0.6,0.8,1.0 and 1.2%)were fed to 7-day-old black soldier fly larvae in this study.The results showed that the feed to gain ratio of the 0.8%capsaicin group was significantly lower than that of the 0.6%capsaicin group(P<0.05),but there was no significant difference with other groups.The larvae in the 0.8%capsaicin group had the lowest dry matter content and were significantly lower than those in the 0.6%and 1.2%capsaicin groups(P<0.05).There were no significant differences in other indicators such as growth performance,survival rate,conversion rate and waste reduction index of black soldier fly larvae(P>0.05).The results showed that the 0.8%capsaicin group had the least nutrients converted from feed,and the 0.6%capsaicin group had the lowest conversion efficiency.Therefore,the larvae of black soldier fly show great tolerance to spiciness,and the results of this study will provide basic data for black soldier fly larvae in the resource utilization of kitchen waste.