1. Empirical Data Validates Substitution Efficacy
Production efficiency boosted: Laying rate increased by 3.3% compared to the control group, while feed-to-egg ratio dropped by 6%—indicating improved feed conversion efficiency.
Egg quality enhanced: Egg protein height and Haugh unit (a key indicator of egg freshness) showed significant improvements, with no negative impacts on egg weight, shell strength, or yolk color.
Costs substantially reduced: Feed costs per hen decreased by 0.03 yuan, while egg revenue increased by 2.31 yuan, driving a significant gross profit uplift of 2.34 yuan per hen.
2. Dual Advantages: Economic Value and Sustainability
Waste valorization: Each ton of BSFL can convert 5–6 tons of organic waste into high-value protein feed (containing 43.36% crude protein and 29.27% crude fat) , reducing landfill pressure.

Regulatory compliance: Approved by the U.S. FDA and compliant with EU feed regulations (Council Directive 2002/32/EC) when produced from safe organic substrates (e.g., food waste, 沼渣), BSFL meal meets global food safety standards .
Low carbon footprint: Compared to fish meal production, BSFL cultivation reduces water usage by 98% and greenhouse gas emissions by 70% , aligning with global net-zero goals.

3. Commercial Implementation Proves Practicality
Conclusion
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