Enhancing Food Production by Sustainable Cricket Farming in Thailand: Evaluating Black Soldier Fly Larvae as a Cost-Effective Feed Ingredient
2025
Sopa Cansee | Siripuk Suraporn | Nuntawat Butwong
The high cost of commercial feed presents a major barrier to scaling environmentally responsible cricket (Acheta domesticus) farming, particularly in low-resource settings. We investigated the use of Hermetia illucens (Black Soldier Fly Larvae, BSFL) combined with locally available ingredients to develop affordable, nutritionally balanced feed for A. domesticus. A three-phase experimental approach was used: (i) feed preference assessment from six ingredients: (ii) performance evaluation of four BSFL-to-commercial feed ratios: and (iii) formulation and testing of three practical recipes using Pearson&rsquo:s square method. Feed efficiency was measured via feed conversion ratio (FCR), efficiency of conversion of ingested food (ECI), and yield. A recipe consisting of 20.6% BSFL, 14.6% soybean meal, 29.1% corn meal, 17.8% rice meal, and 17.8% commercial feed achieved the best performance with an FCR of 2.2, ECI of 44.4%, and juvenile larvae yield of 99.9%. This formulation also reduced feed cost by 33% compared to commercial feed. The study confirmed that integrating BSFL with regionally sourced materials using a simple feed design method can enhance food security, reduce input costs, and support the transition toward circular insect farming systems.
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