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AQUACULTURE

Module 1 term2

Moodle onboarding

Apiculture

Manage a Fish cage farm

Agricultural Economics

FISH HATCHERY MANAGEMENT


COURSE OUTLINE

FISH HATCHERY MANAGEMENT

 

UNIT CODE:        AQ/CU/AM/CR/03/6                     

 

Relationship to Occupational Standards

This unit addresses the unit of competency: Manage fish hatchery

 

Duration of Unit:248 hours

 

Unit Description

This unit specifies the competencies required to select and manage broodstock as well as breed, nurse and harvest fingerlings. It also involves producing both live and hormone-treated fish feeds, packaging fingerlings and supervising maintenance of the hatchery facility.

 

 

 

 

Topic

Sub-Topic

Theory Session (Hours)

Practical Session (Hours)

Total (Hours)

1.             Prepare a hatchery to receive new stock

q  Safety measures

·  Use of PPEs in broodstock management

·  Carrying out basic first aid-cuts, CPR, fractures

·  Handling and use of tools, equipment and materials

q  Types of fish holding facilities in a hatchery

q  Preparation of facilities

·  Draining to dryness

·  Liming

·  Filling with water

·  Cleaning and disinfection

8

48

56

2.             Manage broodstock

 

q  Broodstock selection

·  Criteria

·  Sources of broodstock

q  Acclimatization, quarantine and

q  Sorting

  • Quality
  • Size
  • Readiness for breeding

q  Stocking

  • Procedures
  • Considerations – species, maturity stage, densities, water quality

q  Management of broodstock

  • Feeding –conditions, rations, timings,
  • Health status monitoring – signs of stress and infections
  • Replacement – due to age and productivity levels

q  Water quality management

  • Parameters -Temperatures, Dissolved Oxygen, Ammonia, pH, Nitrite, Alkalinity

·  Monitoring

·  Corrective actions

q  Cleaning and disinfection of fish culture units

12

92

104

3.             Produce fingerlings

 

q  Cleaning of breeding facilities

  • Tanks, breeding jars, happa nets,
  • Tables,

q  Selection of ripe broodstock

q  Types of breeding

  • Artificial propagation

·         Stripping

·         Fertilization

·         Incubation of eggs

q  Monosex tilapia production

  • Preparation of hormone treated feed
  • Stage of hatchlings at first feeding
  • Durationof feeding

q  Live feeds culture

  • Algae
  • Artemia
  • Rotifers
  • Copepods

q  Nursing fry

  • Feeding
  • Grading

12

40

52

4.             Maintain hatchery facility

 

o   Plumbing works

  • Piping, leakages
  • Water flow rates

o   Cleaning schedule

  • Cleaning and disinfection agents
  • Cleaning and disinfection procedures
  • Waste disposal
  • Developing a schedule

o   Water quality monitoring

  • Water quality testing
  • Corrective actions

o   Maintenance and repairs of hatchery components

8

30

38

 

MODE OF DELIVERY

·         Lecture

·         Demonstration

·         Audi-visual media

 

 MODE OF ASSESSMENT

q  Written tests

q  Oral questioning

q  Practical tests

q  Oral presentation

q  Projects

 

REFERENCES

q  INTENSIVE AQUACULTURE

q  PRINCIPLES AND PRACTICE OF AQUACULTURE by PILLAY

q  INTRODUCTION TO AQUACULTURE