Abstract
In this experiment, livestock and Poultry feces (chicken manure and pig manure) were mixed in different proportions, and cow dung and co-substrates (rice bran) were added in chicken manure and pig manure in different proportions, so as to analyze and study the transformation of livestock and poultry feces by black soldier fly larvae (BSFL) under different treatments. The results showed that the conversion rate of chicken manure by BSFL was higher than that of pig manure, and the highest conversion rate of pure chicken manure was 15.31%. Adding cow dung to chicken manure and pig manure resulted in a significant decrease in the conversion rate of BSFL, and the addition of cow dung was not conducive to the conversion of mixed feces by BSFL. The transformation effect of BSFL on chicken manure, pig manure and cow manure is: chicken manure >pig manure >cow dung. The addition of rice bran can promote the transformation of chicken manure and pig manure by BSFL. When the proportion of adding is 15%, the conversion rate of BSFL is the highest, which is 19.74% and 19.25%, respectively.
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