Dynamics of Amino Acid Profile of Musca domestica Larva During Cultivation on Substrate Enriched with Microelements

Ковтунова, А. С.; Drevko, Yaroslav; Faust, Elena; Банникова, А. В.; Larionova, Olga

doi:10.1007/s40011-017-0866-8

Cited by 4 publications

(1 citation statement)

References 18 publications

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“…As these well-defined diets supported larval growth and fly development when these mineral mixtures were included at 1-4% DM, requirements for other minerals are unlikely (Brookes & Fraenkel, 1958). Cobalt and Se addition to chicken manure is suggested to influence weight gain and body composition of house fly larvae, but verification studies are required (Kovtunova et al, 2018). A study varying the concentration of Ca and P chicken manure (0.5-5.0% DM) found no effects of altering Ca concentrations, but P concentrations above 1.5% decreased pupal mass (Barnard et al, 1995).…”

Section: Mineralsmentioning

confidence: 99%

Unravelling the genetics of fat accumulation in the house fly to foster circular economy

Boatta

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The world population is growing at an unprecedent rate and solutions to sustainably feed the increasing population are urgently needed. Insects are rich in protein and lipids hence they represent a valid alternative source of these nutrients. Selecting for leaner or fatter phenotype in insects could improve their application as feed and food or allow to convert organic material into resources destined for other applications respectively. To become a successful target of selection, a trait must meet specific criteria such as being genetically determined, being heritable, and showing the potential to respond to selection. In this thesis I aim to explore the genetics of fat accumulation in the house fly to answer if this trait meets these three criteria. In Chapter 2, I provide a general overview and most up-to-date information on the biology of the house fly with particular emphasis on its nutritional ecology, potential industrial applications of this species, and other relevant aspects, particularly in light of the potential application of this insect at industrial level. Chapter 2 wants to be a compendium for those interested in the biology of this intriguing organism and a guide for those that want to harness the potential of this insect for industrial purposes. Chapter 3 I answer the first important question to understand of fat accumulation could become target of artificial selection: is it genetically determined? In this Chapter, I used three house fly strains originated from different European locations. These were tested in a common environment at two different temperatures to investigate the ontogeny of fat reserves. The results of this experiment show that there is a strong effect of the strain in the ontogeny of fat reserves, suggesting that a genetic component determines this trait. In Chapter 4 I aim at answering the second important question about fat accumulation in the house fly: is it a heritable trait? Here I estimated the narrow sense heritability of the fat accumulation in one strain by using a half-sib paternal experimental design and two different statistical models. High heritability estimates were found for fat accumulation with the models giving similar results. I discuss the meaning of our result in the light of selecting house flies with improved fat characteristics. In Chapter 5 the last question regarding fat accumulation is answered: can this trait respond to selection? Here I used experimental evolution to test the response of fat accumulation to a selective pressure. I exposed house fly larvae for multiple generations to two nutritionally challenging diets. In this work we show that the diets induced direct, plastic responses on fat storage. Moreover, I also show that when reversed on the ancestral diet, the lines administrated the experimental diets differed significantly providing the proof that long lasting changes have occurred in these strains. Lastly, I dedicate Chapter 6 to the discussion of the experimental results obtained and give a general synthesis on the possibility to select for fat-tailored phenotypes and if fat content can be included as a goal in a selection program.

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Section: Mineralsmentioning

confidence: 99%

Unravelling the genetics of fat accumulation in the house fly to foster circular economy

Boatta

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Biomolecular analysis of growth, innards weight and chemical composition of broiler chicken meat enriched with maggot

Larionova¹,

Банникова²,

Drevko³

et al. 2023

International Conference “Sustainable Development: Veterinary Medicine, Agriculture, Engineering and Ecology” (Vmaee2022)

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Study of fatty acid esters obtained from the biomass of Hermetia illucens larvae and the prospects of their use in the food industry

Karmeeva

Банникова

et al. 2021

IOP Conf. Ser.: Earth Environ. Sci.

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In this study we carried out a physicochemical analysis of fatty acid esters (FFA) obtained from the biomass of larvae, which can be used as ingredients in the food industry and for the manufacture of feed. The acute toxicity of fatty acid esters obtained from the biomass of Hermetia illucens larvae was determined. It was revealed that the acid and peroxide values of the fat fraction obtained from the biomass of Hermetia illucens larvae are within the limits established by the norm, which indicates the high quality of this product. The fatty acid composition is represented mainly by lauric, palmitic, oleic and myristic acids. It was shown that the differences in fatty acid composition of the samples, obtained from the biomass of Hermetia illucens larvae manually and using the Soxhlet extraction apparatus, were insignificant and within the acceptable values. In the study of presence of toxic elements in fat fractions, lead, cadmium, arsenic, mercury, iron were not detected or they did not exceed the established values.

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Dynamics of Amino Acid Profile of Musca domestica Larva During Cultivation on Substrate Enriched with Microelements

Cited by 4 publications

References 18 publications

Unravelling the genetics of fat accumulation in the house fly to foster circular economy

Unravelling the genetics of fat accumulation in the house fly to foster circular economy

Biomolecular analysis of growth, innards weight and chemical composition of broiler chicken meat enriched with maggot

Study of fatty acid esters obtained from the biomass of Hermetia illucens larvae and the prospects of their use in the food industry

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