Optimization of a cheap and residential small-scale production of edible crickets with local by-products as an alternative protein-rich human food source in Ratanakiri Province (Cambodia)
Crickets; Teleogryllus testaceus; Sustainable development
Abstract :
[en] Background - Health status of the indigenous people of the Ratanakiri Province, Cambodia, is significantly lower compared to the rest of the nation. The domestication and mass production of insects may represent a sustainable, cost effective and high quality alternative source of protein to traditional livestock. This study aimed to optimise a cheap and residential cricket breeding system based on unused wild resources. The cricket development, Teleogryllus testaceus (Walker), under seven diets composed of taro aerial parts, young cassava leaves, young cashew leaves and brown rice flour (with or without banana slices), versus a traditionally used broiler feed diet was studied.
Results - Cricket mortality was low in all diets, except the two cashew-based diets. Total biomass was significantly higher under the broiler feed, in addition to the two diets containing a combination of cassava leaf powder and brown rice. Yet, crickets fed with the taro diet had the highest percentage of protein. Concerning the breeding system cost, units using cassava leaves were the cheapest ones.
Conclusion – Diets based of cassava leaves seems to be the most promising ones. Nevertheless, to produce crickets with a high body mass and a high protein level, a new experiment must be realised in which the cassava leaf maturity will be adapted to fit with the cricket growth stage. Moreover, to reduce the cost of the breeding units, handmade local products should be used instead of purchased components.
Disciplines :
Entomology & pest control
Author, co-author :
Caparros Megido, Rudy ; Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive
Alabi, Taofic ; Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive
Nieus, Clément
Blecker, Christophe ; Université de Liège - ULiège > Chimie et bio-industries > Science des alim. et formul.
Danthine, Sabine ; Université de Liège - ULiège > Chimie et bio-industries > Science des alim. et formul.
Bogaert, Jan ; Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Haubruge, Eric ; Université de Liège - ULiège > Premier Vice-Recteur
Francis, Frédéric ; Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive
Language :
English
Title :
Optimization of a cheap and residential small-scale production of edible crickets with local by-products as an alternative protein-rich human food source in Ratanakiri Province (Cambodia)
Publication date :
2016
Journal title :
Journal of the Science of Food and Agriculture
ISSN :
0022-5142
eISSN :
1097-0010
Publisher :
John Wiley & Sons, Inc, Chichester, United Kingdom
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