fish hatchery the b-area
TRANSCRIPT
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Universiti Brunei Darussalam
Discovery year Internship ProgrammePresentation
Presented by:Noorlela Bt Md Yassin (12B3011)
Held in:Borneo Marine Research Institute
Universiti Malaysia Sabah
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Content• Fish Hatchery
– Introduction
– Organization structure
– Areas
• B Area– Introduction
– Species
– Hybrid species
– Routine
– Treatments
– Artificial production
• Conclusion
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Fish HatcherySupervisor: Dr. Faihanna Ching Abdullah
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Introduction
• Location
Photo source: Google map
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• Brief history:
– Established in 2002
–Designed by Prof. Dr. Shigeharu Senoo
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• What?
Place for artificial breeding, hatching and rearing through the early life of finfishes or shell fish for commercial purposes.
• BMRI’s Fish Hatchery:
Foundation of aquaculture program
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• Hatchery Management steps:
– Broodstock management.
– Spawning
– Fertilization
– Larval and juvenile rearing
– Sales and distribution
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Prof. Dr. ShigeharuSenoo
(Manager)
Dr. Faihanna ChingAbdullah
(Head of Aquaculture programme)
Liew Chun Fong @ Vivian
(Science Officer)
Norazmi Osman
(Senior Laboratory Assistant)
Organization Structure
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Areas
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• Divided into different areas:
A area
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B area
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L area
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Rotifer culture
CD area
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Fresh Water culture
CD area
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Aquaponic
CD area
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B Area
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Introduction• Broodstock management and juvenile rearing
of marine fish species.
• Consist of 6 tanks.
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• Recirculating Aquaculture System (RAS).
Culture tank Filter tank
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Mechanisms of Recirculating Aquaculture System (RAS)
Culture tankFilter tank
Filter
Trash net
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Recirculating Aquaculture System (RAS)
• Water treatment by two processes:
– Mechanical filtration
• By Trash net
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Recirculating Aquaculture System (RAS)
• Water treatment by two processes:
– Biological filtration
• By coral rocks
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Species
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Epinephelus lanceolatus (Giant grouper)
Epinephelus fuscoguttatus (Tiger grouper)
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Epinephelus coioides (Orange spotted grouper)
Lates calcarifer (Seabass)
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Cheilinus Undulatus (Napoleon Wrasse)
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Hybrid Species
• The first-in-the-world TGGG Hybrid
– cross between Tiger grouper (E. fuscoguttatus) and
Giant grouper (E. lanceolatus)
• Suitable for commercial-scale production
• Not been released in the wild.
• Effective controls must be done to prevent their
release into the natural environment.
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Tiger grouper x Giant grouper (TGGG hybrid)
Orang spotted grouper x Giant grouper(OGGG hybrid)
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Mouse grouper x Tiger grouper (MGTG hybrid)
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Routine• Cleaning trash net.
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Routine
• Feeding:
– 3 times a week
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• Diet:
– Trash Fish
– Fish Pellet
– Squid
– UMS formulated feed (Kintaro)
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Routine
• Maintenance
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Treatments
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• Parasite treatment:
• Fish are badly infected by parasite.
• They will under go fresh water treatment for few minutes.
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• Buoyancy issue treatment:
• Fish found floating upside down on surface of water.
• Remove the excess air.
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• Enforced feeding treatment:
• Fish are critically ill and lose their appetite to eat or to weak to eat themselves
• Use modified syringe and inject food directly into the fish’s stomach
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Artificial production
• Broodstock Selection:
– Selection of male and female adult fish.
– Criteria that they looking for:
• Soft distended abdomen for both male and female
• Reddish genital papillae for female
• Pointy genital papillae for male
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• Hormone treatment via injection:
– Injected to the female fish.
– HCG (human chorionic gonadotropin hormone)
– Injected to either Dorsal or pectoral fins
• Dose 500iU/Kg
– To enhance the egg maturation.
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• Stripping process:
– Collection of egg and sperm (artificial spawning)
Egg collection Sperm collection
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• Fertilization
– Mixing the collected eggs and sperms to allow fertilization.
– Once fertilized the eggs will be transferred to L area to monitor the development.
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Conclusion
• Hands on experience in hatchery management in aquaculture industry
– Managing fish culture
– Handling fish
– Learn about fish behaviour
– Artificial production