Incubation and Hatching by o6C4A3

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									       Incubation and Hatching
• Upwelling incubators

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        Incubation and Hatching
• Stacked trays

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        Incubation and Hatching
• Trough trays

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        Incubation and Hatching
• Baskets

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        Incubation and Hatching
• Upwelling incubators
  – Loadings
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  – Green eggs
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  – Eyed eggs
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  – Hatching
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       Incubation and Hatching
• Heath trays
  – Green eggs
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  – Eyed eggs
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  – Hatching
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         Incubation and Hatching
• Egg development/incubation
  – Factors affecting development

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         Incubation and Hatching
• Problems
  – Fungus
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  – Siltation
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  – Cripples/deformities
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  – Soft-egg syndrome
         Incubation and Hatching
• Treatment methods
  – Bath treatments
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  – Drip method
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  – Chemicals used
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         Incubation and Hatching
• Preventive methods
  – Sanitation

  – First feeding
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  – Trough loadings:
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                Fry stage
• Important life stage

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                 Fry stage
• Care
  – Containers
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  – Loadings
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  – Feeding
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  – Inventory
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                    Fry stage
• Problems
  – Non-infectious diseases
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  – Infectious diseases
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      Fingerling and grow-out stage
• Growth rates
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• Care
• Problems
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• Treatment/prevention
  – Bacterial
  – Viral
  – Parasitic
                 Harvest
• Intensive culture systems
  – Raceways
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     • Grading
                     Harvest
• Intensive culture systems
  – Ponds
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  – Cages/net pens
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                     Processing
– Species specific

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– Equipment

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– Hauling

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