Culture of fish food organisms

Weekly outline

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  General

  Culture of Fish Food Organisms (1+1)

  Dr. K.M.Shankar and Dr. Rosalind George

  Overview

  Though this field of fish food organisms forms a small part of the aquatic systems but due to increasing commercial interest in the hatchery development of aquatic fin fish and shell fish for human needs lead to increasing urgent need for more development of live feed for providing feed for a larval stages of fish. Fish food organisms are essential for the developmental stages of many aquatic organisms. They are very important in the critical phases of fin fishes and shellfishes for their better survival, growth. They are directly consumed by first feeding phase of fin fishes depending on their mouth size and inclination towards a chosen food. They are rich in proteins, carbohydrates and essential fatty acids. Since cultivable aquatic organisms are fragile and delicate at the hours of first feeding stage,it is very important to provide right feed that they need for proper nourishment for better growth and survival since it is the most critical phase of their life. As a result, the live food organisms are called as living capsules of nutrition for the larvae of fish and prawns. Live feed is one of the main components for the successful operation of aqua- hatcheries mainly in prawns and shrimps. The availability of good quality and quantity of live foods contribute to successful operation of aqua-hatchery both for intensive and small scale operations. These chapters have given a detailed knowledge regarding the plethora of fish food organism available.

  • Course Outline Page
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  18 February - 24 February

  Introduction

  • Expected Learning Outcome Page
  • 1.1.Introduction to Fish food organisms Page
  • 1.2.Zooplanktons Page
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  25 February - 3 March

  Rotifers

  • Expected Learning Outcome Page
  • 2.1.Rotifer classification Page
  • 2.2.Introduction to rotifers Page
  • 2.3.Biology and life history of Rotifers Page
  • 2.3.1.Strain differences Page
  • 2.3.2.General culture conditions Page
  • 2.3.3.Culture procedures
  • 2.3.3.1.Stock culture of rotifers Page
  • 2.3.3.2.Upscaling of stock cultures to starter cultures Page
  • 2.3.3.3.Mass production on algae Page
  • 2.3.4.Enhancement of nutritional value of cultured rotifers Page
  • 2.3.4.1.Techniques for (n-3) HUFA enrichment Page
  • 2.3.4.2.Techniques for vitamin C enrichment Page
  • 2.3.4.3.Techniques for protein enrichment Page
  • Quiz on Rotifers
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  4 March - 10 March

  Cladocerans

  • Expected Learning Outcome Page
  • 3.1.Cladocerans classification Page
  • 3.2.Biology and nutritional value of cladocerans Page
  • 3.2.1.Daphnia Page
  • 3.2.1.1.Daphnia classification Page
  • 3.2.1.2.Nutritional value of Daphnia Page
  • 3.2.1.3.Nutritional Value of Moina Page
  • 3.2.1.4.Biology and life cycle of Daphnia Page
  • 3.2.2.Moina Page
  • 3.2.2.1.Moina classification Page
  • 3.2.2.2.Life Cycles of Moina Page
  • 3.2.2.2.1.Production and use of resting eggs Page
  • Quiz on Cladocerans
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  11 March - 17 March

  Copepods

  • Expected Learning Outcome Page
  • 4.1.Introduction Page
  • 4.2.Copepod classification Page
  • 4.3.Biology and life cycle of copepods Page
  • 4.4.Candidate species and culture techniques Page
  • 4.5.Culture techniques Page
  • 4.5.1.Use of resting eggs Page
  • Quiz on Copepods
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  18 March - 24 March

  Infusorians

  • Expected Learning Outcome Page
  • 5.1.Introduction to Infusorians Page
  • 5.1.1.Paramecium Page
  • 5.1.2.Stylonichia Page
  • 5.1.3.Fabrea salina Page
  • 5.1.4.Euplotes Page
  • 5.2.General Culture techniques of Infusorians Page
  • 5.2.1.Collecting Infusoria Page
  • 5.2.2.Culturing Infusoria Page
  • 5.2.3.Lettuce culture Page
  • 5.2.4.Potato culture Page
  • 5.2.5.Banana peel culture Page
  • Quiz on Infusorians
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  25 March - 31 March

  Microworms

  • Expected Learning Outcome Page
  • 6.1.Chironomid larvae Page
  • 6.1.1.Classification of Chironomid larvae Page
  • 6.1.2.Biology and culture of chironomid larvae Page
  • 6.1.2.1.Culture techniques Page
  • 6.2.Tubifex classification Page
  • 6.2.1.Food And Feeding Page
  • 6.2.2.Reproduction Page
  • 6.2.3.Copulation and cocoon formation Page
  • 6.2.4.Culture of Tubifex Page
  • Quiz on Microworms
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  1 April - 7 April

  Earthworms

  • Expected Learning Outcome Page
  • 7.1.Earthworm Page
  • 7.1.1.Classification Page
  • 7.1.2.Culture method Page
  • 7.1.3.Maintenance Page
  • 7.1.4.Harvesting Page
  • 7.1.5.Production Page
  • Quiz on Earthworms
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  8 April - 14 April

  Brine Shrimp or Artemia

  • Expected Learning Outcome Page
  • 8.1.Brine shrimp classification Page
  • 8.2.Brine shrimp-Introduction Page
  • 8.3.Brine shrimp-morphology and physiology Page
  • 8.4.Schematic diagram of the ultrastructure of an Artemia cyst Page
  • 8.4.1.Embryo Page
  • 8.4.2.Physiology of the hatching process Page
  • 8.4.3.Development of an Artemia cyst from incubation in seawater until nauplius release Page
  • 8.4.4.Ideal conditions for hatching Artemia cysts Page
  • 8.4.5.Brine shrimp-Decapsulation and hatching of cyst Page
  • 8.5.Processses involved in decapsulation/hatching process
  • 8.5.1.Hydration Page
  • 8.5.2. Reaction with decapsulation solution (hypochlorite) Page
  • 8.5.3.Sieving and washing Page
  • 8.5.4. Incubation Page
  • 8.5.4.1.Harvesting processing and packaging of artemia cyst Page
  • 8.5.4.2.Enrichment of artemia with HUFA Page
  • Quiz on Artemia
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  15 April - 21 April

  Bait fish

  • Expected Learning Outcome Page
  • 9.1.Bait fish and forage fish Page
  • 9.1.1.Types of bait in various fish types Page
  • 9.1.2.Candidate species Page
  • Quiz on Bait fishes and forage fishes
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  22 April - 28 April

  Practicals

  • 1. Introduction to culture of fish food organisms File
  • 2. Qualitative and quantitative analysis of plankton File
  • 3. Identification of common aquatic flora and fauna File
  • 4. Isolation and culture of Micro-algae File
  • 6. Culture of Cladocerans File
  • 7. Culture of Micro-worms File
  • 8. Culture of Infusoria File
  • 9. Hatching of Artemia cyst File
  • 10. Role of biofilm in aquaculture File