Impact of pH and feeding system on black soldier fly (Hermetia illucens, L; Diptera: Stratiomyidae) larval development

PloS One
Marco MeneguzJeffery K Tomberlin

Abstract

Black soldier fly (BSF) is a generalist species able to reduce large quantities of organic substrates and is thus considered as an interesting solution for waste management. Moreover, as BSF larvae accumulate high quantities of nutrients during their growth, they are valued because of their potential to produce products such as protein meal or fat for livestock feeds. Abiotic factors can influence larva growth, and a more detailed knowledge and control of these parameters can lead to the development of mass BSF breeding for the production of innovative products for animal feeds. As little information is available on the effects of the pH of substrates and feeding systems, the aim of this study was to evaluate the impact of these two factors on the activities of BSF larvae, prepupae, and adults. An experiment was performed with two fixed factors: i) pH (4.0; 6.1; 7.5; 9.5) and ii) feeding system (batch feeding system (TFS) or daily feeding system (DFS)). The pH treatments impacted larval weight on the first, third, and fifth day, but not at the end of the trial. Larval activity increased pH values from the fourth day onward, with final values of around 8.9-9.4 in all the treatments. The weight of the prepupae ranged from between...Continue Reading

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Citations

Apr 3, 2020·Journal of the Science of Food and Agriculture·Jasmine Hadj SaadounAndrea Antonelli
Jul 28, 2020·Animals : an Open Access Journal From MDPI·Chelsea D MirandaJeffery K Tomberlin
Sep 19, 2020·PloS One·Murali PadmanabhaStefan Streif
Jun 16, 2019·Animals : an Open Access Journal From MDPI·Cuncheng LiuHuaiying Yao
May 28, 2019·Animals : an Open Access Journal From MDPI·Chelsea D MirandaJeffery K Tomberlin

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