Recent Advances in Insect Rearing Methodology to Promote Scientific Research and Mass Production

Huynh, Man P.; Shelby, Kent S.; Coudron, Thomas A.

doi:10.3390/insects12110961

Cited by 9 publications

(2 citation statements)

References 10 publications

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“…Commercial insect production involves breeding and rearing insects for commercial, cosmetic, and/or nutritional applications. In the past two decades, infrastructure and knowledge required to rear insects for nutritional applications (i.e., as human food or animal feed) has advanced and the industry is continuing to scale as new technologies are implemented (Huynh et al, 2021). The Food and Agricultural Organization (FAO) estimates global meat consumption to increase by 14% from 2021 to 2030 due to population growth and urbanization (FAO, 2022).…”

Section: Introductionmentioning

confidence: 99%

Black soldier fly larvae (Hermetia illucens) frass and sheddings as a compost ingredient

Jasso,

Quinchia,

Waliczek

et al. 2024

Front. Sustain. Food Syst.

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One of the byproducts from rearing Black soldier fly larvae (BSFL) is its excrement, referred to as frass, and sheddings. As the commercial insect rearing industry is emerging in the U.S., there is not yet an established market for frass although the yield often exceeds that of BSFL by two- to three-fold. It has been suggested that frass could be converted into compost; however, there is a lack of literature investigating the effect of frass and larval sheddings inclusion on final compost quality. Accordingly, the objective of this study was to determine if BSFL frass and sheddings are a viable compost ingredient with the overarching purpose of identifying a potential market for an otherwise waste product of the insect-rearing industry. To address this objective, four experimental compost piles (6.12 m3 each) with increasing levels of BSFL frass and sheddings (18.75, 22.87, 27.13, 31.25%) were developed. Across piles, wood chips (37.50%) and unscreened compost (18.75%) were consistent and frass and sheddings displaced food waste. Piles were mixed and tested for moisture and temperature weekly. Once internal temperatures decreased to 38°C, piles cured until internal temperatures were consistently <32°C. After curing, samples were collected from each pile and analyzed for pH, macro- and micro-nutrients, particle size, stability, and maturity. The entire composting process, including 2 months of curing, required 5 months. For each pile, pH, nitrogen, carbon, carbon:nitrogen, and potassium were within optimal ranges. Further, stability, measured as mg CO2-C/g solids/day, and maturity, measured as seed emergence and seedling vigor, were also within optimal ranges. However, moisture/solids; organic matter; phosphorus; and stability, measured as mg CO2-C/g organic matter/day, were out-of-specification for each pile given compost quality tests. Our findings indicate BSFL frass and sheddings may be a viable compost ingredient, but further research is recommended to establish optimal inclusion levels to maximize finished compost quality.

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Section: Introductionmentioning

confidence: 99%

Black soldier fly larvae (Hermetia illucens) frass and sheddings as a compost ingredient

Jasso,

Quinchia,

Waliczek

et al. 2024

Front. Sustain. Food Syst.

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“…Flies may experience phenotypic plasticity and gene expression changes in response to variations in the nutritional content of the larval diet [16]. Understanding the factors that affect the expression of immature and adult traits is key to improving our theoretical and practical understanding of the biology, physiology, ecology, and rearing of insects [9,14,[17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Feeding on the Fruit Waste Orange Bagasse Modifies Immature Protein Content, Body Weight, Scent Bouquet Composition, and Copula Duration in Males of a Tephritid Frugivorous Fly

Pascacio-Villafán,

Guillén,

Altúzar-Molina

et al. 2023

Biology

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Anastrepha ludens is a polyphagous frugivorous tephritid that infests citrus and mango. Here, we report the establishment of a laboratory colony of A. ludens reared on a larval medium that is a waste for the citrus industry, specifically, orange (Citrus × sinensis) fruit bagasse. After 24 generations of rearing on a nutritionally poor orange bagasse diet, pupae weighed 41.1% less than pupae from a colony reared on a nutritionally rich artificial diet. Larvae from the orange bagasse diet had 6.94% less protein content than larvae from the artificial diet, although their pupation rate was similar. Males from the orange bagasse diet produced a scent bouquet with 21 chemical compounds and were sexually competitive, but they had significantly shorter copulations when compared to males from the artificial diet and from the wild host, Casimiroa edulis, which had relatively simple scent bouquets. The chemical complexity in the odors of males from the orange bagasse diet might initially have attracted females to novel scent combinations, but, once in the copula, they may have been able to sense negative characteristics in males, leading them to terminate copulations soon after they began. We conclude that A. ludens can adjust morphological, life history, nutritional, and chemical traits when adapted to a larval environment consisting of fruit bagasse.

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Current status of insect farming for food application

Van Peer,

Van Miert

2024

Insects as Food and Food Ingredients

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Recent Advances in Insect Rearing Methodology to Promote Scientific Research and Mass Production

Abstract: The benefits obtained from our ability to produce insects have encompassed a wide array of applications, from the early stages of examining different species, to the present day of mass production for multiple purposes [...]

Cited by 9 publications

References 10 publications

Black soldier fly larvae (Hermetia illucens) frass and sheddings as a compost ingredient

Black soldier fly larvae (Hermetia illucens) frass and sheddings as a compost ingredient

Feeding on the Fruit Waste Orange Bagasse Modifies Immature Protein Content, Body Weight, Scent Bouquet Composition, and Copula Duration in Males of a Tephritid Frugivorous Fly

Current status of insect farming for food application

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