| system | 💰 initial cost | 💸 annual cost | 🛠️ labor hours | 🤑 revenue | ✨ benefits | | ------------ | --------------- | -------------- | -------------- | ---------- | ---------------------- | | fish farming | $1600k | $302k | 5000 | $138k | 42M cal, 7.2mt protein | #### Assumptions - The system supports a population of 1,000 people. - Fish ponds span 100 acres, with integrated aquaculture systems. - Water quality is consistently monitored to ensure optimal conditions for fish health and productivity. - Revenue is calculated based on market prices for fish and aquatic plants. #### Labor 5000 Hours | task | hours/year | notes | | ------------------- | ---------- | -------------------------------- | | feeding | 1,500 | Daily management. | | water quality | 1,000 | Regular testing and adjustments. | | harvesting | 800 | Scheduled seasonal harvests. | | system maintenance | 600 | Repairs and upkeep. | | stock management | 500 | Breeding and restocking. | | processing | 600 | Cleaning and storage. | | total labor (hours) | 5,000 | Covers all essential activities. | #### Operating Costs $250k | component | annual cost ($) | justification | | --------------------- | --------------- | ------------------------------- | | feed | $80,000 | Supplemental feeding needs. | | water management | $30,000 | Filtration, monitoring systems. | | aeration system | $20,000 | Pumps and diffusers upkeep. | | fish stock | $100,000 | Fingerlings and breeding stock. | | equipment maintenance | $20,000 | Repairs for nets and gear. | | total annual cost | $250,000 | | #### Initial Costs $1.6M -> $52k/year | component | initial cost ($) | lifespan (years) | amortized cost/year ($) | justification | | ------------------ | ---------------- | ---------------- | ----------------------- | ---------------------------------- | | pond construction | $1,000,000 | 50 | $20,000 | Excavation, lining, plumbing. | | aeration system | $200,000 | 10 | $20,000 | Pumps and diffusers. | | water management | $300,000 | 10 | $30,000 | Filtration and monitoring systems. | | equipment | $100,000 | 10 | $10,000 | Nets, harvesting gear. | | total initial cost | $1,600,000 | - | $52,000 | | #### Production Output | metric | amount | notes | | ----------------- | ---------- | ---------------------------------------- | | annual fish yield | 65,000 lbs | Includes primary and secondary fish. | | aquatic plants | 20,000 lbs | Edible and marketable vegetation. | | annual calories | 42M | Significant contribution to food supply. | | annual protein | 7.2mt | High-quality protein for community. | #### Revenue Potential $138k/year | Product | Revenue ($) | Production Cost ($) | Profit Margin ($) | Notes | | ----------------------- | ----------- | ------------------- | ----------------- | ----------------------------------- | | Prepared primary fish | $195,000 | $60,000 | $135,000 | Priced at $3/lb. for 65,000 lbs. | | Prepared secondary fish | $0 | $0 | $0 | No secondary fish explicitly noted. | | Aquatic plants | $4,000 | $500 | $3,500 | Priced at $0.20/lb for 20,000 lbs. | | Total revenue | $199,000 | $60,500 | $138,500 | | #### Key Requirements - **Pond design**: Optimal depth and water circulation. - **Stocking density**: Avoid overcrowding to ensure healthy growth. - **Water quality**: Maintain pH, oxygen, and temperature levels. - **Feed efficiency**: Balanced diet to maximize growth and minimize waste. - **Disease management**: Regular health checks and preventative measures.