Fish Farming Course

Lesson 1 • Common Farmed Fish Species

Identifies commercially important species and their biological traits. Enables students to match species selection to farm environment and market demand.

Lesson 2 • Overview of Aquaculture Industry

Covers global aquaculture production trends, economic significance, and career pathways. Establishes context for all subsequent technical content in the course.

Lesson 3 • Types of Fish Farming Systems

Compares pond, cage, raceway, and recirculating systems by cost, scale, and suitability. Provides the decision framework used throughout the course.

Lesson 1 • Routine Infrastructure Maintenance

Establishes inspection schedules, embankment repair, equipment servicing, and pond drying protocols. Prevents infrastructure failures that cause fish loss and production downtime.

Lesson 2 • Aeration and Water Circulation Systems

Compares paddle wheel, diffused air, and venturi aerators by efficiency and application. Students size and position aeration equipment for optimal dissolved oxygen distribution.

Lesson 3 • Site Selection and Assessment

Evaluates soil type, water source, topography, and access as site selection criteria. Establishes the physical foundation for all infrastructure decisions.

Lesson 1 • Seasonal and Environmental Variation

Addresses how rainfall, drought, and temperature cycles alter water quality. Prepares students to anticipate and manage seasonal stress events.

Lesson 2 • Water Testing Methods and Tools

Teaches field test kits, electronic meters, and laboratory analysis procedures. Students gain hands-on proficiency in accurate, repeatable measurement.

Lesson 3 • Corrective Water Management Actions

Covers aeration, water exchange, liming, and biological filtration as corrective tools. Students apply decision trees to restore parameters within safe ranges.

Lesson 1 • Nutritional Requirements of Farmed Fish

Explains protein, lipid, carbohydrate, vitamin, and mineral needs by species and life stage. Builds the biological basis for all feed selection decisions.

Lesson 2 • Feed Conversion and Waste Reduction

Introduces feed conversion ratio as a key performance indicator and waste minimisation strategies. Students calculate FCR and identify inefficiencies in feeding programmes.

Lesson 3 • Feeding Rates and Schedules

Establishes feeding rate calculations based on body weight, temperature, and growth targets. Connects feeding precision to water quality outcomes from Chapter 2.

Lesson 4 • On-Farm and Alternative Feed Sources

Explores locally sourced ingredients, insect meal, and agricultural by-products as feed components. Prepares students to reduce input costs without compromising nutrition.

Lesson 1 • Treatment and Medication Use

Covers approved therapeutants, dosing calculations, withdrawal periods, and resistance management. Students apply treatments responsibly within regulatory frameworks.

Lesson 2 • Fish Health Indicators and Observation

Teaches behavioural, physical, and postmortem signs of healthy and diseased fish. Builds the observational skills required for early disease detection.

Lesson 3 • Biosecurity Protocols

Establishes quarantine, disinfection, and access control as the primary disease prevention layer. Directly applies water quality and stocking knowledge from earlier chapters.

Lesson 4 • Common Diseases and Pathogens

Covers bacterial, viral, fungal, and parasitic diseases prevalent in farmed fish. Students link pathogen biology to transmission routes and risk factors.

Lesson 1 • Growth Monitoring and Sampling

Teaches sampling methods, weight and length measurement, and growth rate calculations. Students use data to adjust feeding and management decisions in real time.

Lesson 2 • Post-Harvest Handling and Quality

Establishes chilling, icing, and live transport protocols to preserve product quality. Links harvest practices to food safety standards introduced in Chapter 1.

Lesson 3 • Grading and Population Management

Addresses size grading, thinning, and polyculture management to optimise pond productivity. Connects stocking density to water quality and feed efficiency outcomes.

Lesson 4 • Harvest Planning and Execution

Covers harvest timing, partial and complete harvest methods, and post-harvest pond management. Students plan harvests that meet market schedules and minimise fish stress.

Lesson 1 • Oxygen and CO2 Management in RAS

Covers pure oxygen injection, ozone use, and CO2 stripping to maintain optimal gas levels. Students calculate oxygen demand and size injection equipment accordingly.

Lesson 2 • Biological Filtration and Nitrification

Explains nitrification bacteria, biofilter cycling, and ammonia management in closed systems. Extends water quality principles from Chapter 2 to high-density RAS environments.

Lesson 3 • RAS Operational Management

Establishes daily monitoring routines, alarm systems, backup power, and troubleshooting protocols. Prepares students to maintain system stability under normal and emergency conditions.

Lesson 4 • RAS Economics and Scalability

Analyses capital costs, operating expenses, and production density advantages of RAS versus outdoor systems. Students evaluate RAS feasibility for specific production goals.

Lesson 1 • Sales Channels and Marketing Execution

Covers direct sales, wholesale, retail, and online channels with practical marketing tactics. Students develop a go-to-market plan aligned with their production capacity.

Lesson 2 • Market Research and Product Positioning

Covers target market identification, competitor analysis, and product differentiation strategies. Grounds business planning in real demand data before financial projections are built.

Lesson 3 • Operational Planning and Scheduling

Establishes production calendars, labour scheduling, and supply chain coordination for year-round operations. Integrates harvest planning from Chapter 6 into business workflow.

Lesson 4 • Funding Sources and Investment

Identifies grants, loans, equity investment, and cooperative models as funding pathways. Students evaluate funding options against farm scale and repayment capacity.