Genomics and effective trait candidates of edible insects

Nakajima, Yuichi; Ogura, Atsushi

doi:10.1016/j.fbio.2022.101793

Cited by 4 publications

(3 citation statements)

References 130 publications

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“…Alongside aggression, cannibalism is reported as a frequent behavior in many cricket species (Nakajima and Ogura, 2022), though both cannibalism and aggression are reported as rare in G. sigillatus, specifically, on farms (Mazurkiewicz et al, 2013). Cricket producers (species not specified) in the UK have reported cannibalism as an issue on their farms (Bear, 2019), and some have observed larger A. domesticus cannibalize smaller conspecifics (Crocker and Hunter, 2018).…”

Section: Concern 5 Aggression Injury and Cannibalismmentioning

confidence: 99%

“…Selective breeding is likely to emerge first in the industry (prior to genetic manipulation), and always bears a risk of off-target effects and inbreeding depression (Jensen et al, 2018). Even though crickets have been bred globally for decades, no particular strains with specific properties for commercial production have been established yet, indicating that breeding efforts are currently mostly limited to a small scale within farms (Nakajima and Ogura, 2022). Crickets generally produce a large number of offspring in a short time frame, which will make selective breeding more efficient than in other animal production systems (Eriksson and Picard, 2021).…”

Section: Future Concern 2 Accidental/artificial Selection Events or G...mentioning

confidence: 99%

“…In principle, the selection of strains with certain favorable traits could be neutral or even beneficial to the welfare of the animals, as long as the selection programs do not hamper species-specific development, health, and behavior in a way that harms welfare. For instance, of great interest are genes which might improve resistance to pathogens, the nutritional properties of crickets, or their suitability for mass rearing in general (Kataoka et al, 2020;Nakajima and Ogura, 2022;Oppert et al, 2020;Ylla et al, 2021). Some of these aims, such as increased pathogen resistance or lower cannibalism rates, might ultimately improve cricket welfare.…”

Section: Recommendation 2b (Domain 3: Health; Domain 4: Behaviour) Te...mentioning

confidence: 99%

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Farmed cricket (Acheta domesticus, Gryllus assimilis, and Gryllodes sigillatus; Orthoptera) welfare considerations: recommendations for improving global practice

Rowe,

Robles López,

Robinson

et al. 2024

J. Insects Food Feed

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Orthoptera, such as crickets, is currently the most reared group of hemimetabolous insects in the insects as food and feed industry, with over 370 billion individuals slaughtered and/or sold live annually. The most-farmed cricket species is Acheta domesticus, however there is growing interest in farming at least two additional species, Gryllus assimilis and Gryllodes sigillatus. Crickets are largely being explored for use as human protein, and exotic animal or pet feed – as well as, to a lesser extent, livestock and fish feed. Insect welfare is of growing interest to consumers who are considering incorporating insect protein into their diets, as well as to many producers. However, no studies have considered the welfare concerns of farmed crickets under current industry conditions. Using an established model for assessing farmed insect welfare, we assess potential welfare concerns for the three most-farmed cricket species, including: interspecific interactions (including parasites and pathogens), temperature and humidity, light cycles, electrical shocks, atmospheric gas levels, nutrition and hydration, environmental pollutants, injury and crowding, density, handling-associated stress, genetics and selection, enrichments, transport-related challenges, and stunning, anesthesia, and slaughter/depopulation methods. From our assessment of these factors, we make recommendations for improving cricket welfare now and as the industry continues to grow; in addition, we identify research directions that will improve our understanding of cricket welfare. We conclude by broadly discussing the importance of addressing the welfare challenges presented by the insects as food and feed industry for the animals and for the growth and health of the industry itself.

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Section: Concern 5 Aggression Injury and Cannibalismmentioning

confidence: 99%

Section: Future Concern 2 Accidental/artificial Selection Events or G...mentioning

confidence: 99%

Section: Recommendation 2b (Domain 3: Health; Domain 4: Behaviour) Te...mentioning

confidence: 99%

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Farmed cricket (Acheta domesticus, Gryllus assimilis, and Gryllodes sigillatus; Orthoptera) welfare considerations: recommendations for improving global practice

Rowe,

Robles López,

Robinson

et al. 2024

J. Insects Food Feed

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Whole-genome sequencing of two captive black soldier fly populations: Implications for commercial production

Cai,

Hansen,

Laursen

et al. 2024

Genomics

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Novel Aspects and Directions in Pest Control and Management - Proteins with Insecticidal Properties

Zhang,

Shahrajabian,

Cui

et al. 2024

CGC

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In addition to the economic losses because of insect pests, a significant part of insect pests can instantly lead to the deterioration and mildew of agricultural products, which all have great hidden hazards to human health. In view of insect pests, the principle means of control and prevention in China is spraying chemical agents. Nevertheless, spraying a large number of chemical factors to control insect pests for a long time will not only have a consequential impact on the ecological environment, but also make insect pests boost resistance, and because a large number of chemical residues on the surface of crops will also have an unfavourable impact on the human body. The detection and application of insecticidal proteins are of great significance for the progress of modern insecticidal science. This article studies the research progress of insecticidal proteins and considering their target pests, lists their common insecticidal utilization scenarios, and anticipates the development direction of insecticidal proteins in the future.

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Genomics and effective trait candidates of edible insects

Cited by 4 publications

References 130 publications

Farmed cricket (Acheta domesticus, Gryllus assimilis, and Gryllodes sigillatus; Orthoptera) welfare considerations: recommendations for improving global practice

Farmed cricket (Acheta domesticus, Gryllus assimilis, and Gryllodes sigillatus; Orthoptera) welfare considerations: recommendations for improving global practice

Whole-genome sequencing of two captive black soldier fly populations: Implications for commercial production

Novel Aspects and Directions in Pest Control and Management - Proteins with Insecticidal Properties

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