摘要
试验结果表明 ,用不同含水量的豆渣饲养家蝇 ,其卵孵化率、幼虫存活率、幼虫期、化蛹率、幼虫体重等均有明显差异 ,在供试食物含水量为 5 0 %～ 90 %时 ,以食物含水量 70 %～ 80 %最有利家蝇的生存和体重增长。在不同的饲养密度下 ,幼虫体重、幼虫期、化蛹率等均有明显差异 ,随着饲养密度的增大、幼虫体重体长减小、幼虫期延长、化蛹率降低 ,体重与饲养密度之间的关系符合Logistic方程W =K/ea -rρ (W为幼虫重、ρ为饲养密度 ,K为环境容量 )。以豆渣和麦麸为家蝇幼虫培养基质时 ,最佳养殖密度范围分别为 18～ 35头 /g和 2 0～ 30头 /
The experiment showed that the egg vate of hatchability,liveability of larva,larve period,pupate and larva weight are remarkably different after the housefly was fed with bean dreg of different water-content,when the water content of the food was 50%～90%,the food with 70%～80% of water content was the most favorable for housefly to live and increase its weight The weight of the larva,larve period and pupate were also greatly different when the feeding density was different,with the increase of the feeding density,decrease of larvas weight and body length,prolonging of the larva period,decrease of the pupate,the relationship between weight and feeding density met the logistic equation:W=K/e a-rρ (W:stands for weight of larva,ρ:feeding density,K:environmental capacity) When the bean dreg and wheat blan as the culture media of housefly larva,the potimal range for feeding density was 18～35 housefly /g and 20～30 housefly/g respectively
出处
《山东农业大学学报（自然科学版）》
CSCD
2000年第4期403-407,共5页
Journal of Shandong Agricultural University：Natural Science Edition
