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COMMERCIAL PRODUCTION OF SPF Penaeus monodon BROOD STOCK IN
MALAYSIA
K.SUBRAMANIAMDoF
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COLLABORATIVE PROGRAM BETWEEN
DEPARTMENT OF FISHERIES & BLACK TIGER AQUACULTURE S/B
DoF BTA
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Aquaculture Production Target 2010
Cluster Commodity Quantity (mt / tails)
Value (RM mil)
1.2.3.4.
Aqua - ShrimpAqua - Marine FishAqua- BivalvesAqua – Fresh Water
180,000122,000130,000230,000
3,7502,274127465
TOTAL 662,000 6,616Aquarium Fish 800 mil tails 190Seaweed 123,000 380
662,00mt
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180,000mt
RM 3.750 billion
Shrimp Production Target 2010
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* projected figure based on NAP3 (1998-2010) NA
Year Shrimp Production (mt)
Increase in production with respect to previous year
1995 6,779
1996 7,748 969
1997 10,385 2,637
2000 17,231 6,846
2002 24,832 7,601
2003 26,179 1,347
2004 30,839 4,660
2005 35,142 4,303
2006 38,264 3,122
2007 60,000 Estimate (80% white shrimp)
2010* 180,000
Aquaculture Production (Shrimp) in Malaysia
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• Shrimp PL requirement - 12.0 billion high health PL
Shrimp PL requirement (180,000mt)
• Approximately 120,000 pieces of clean stock• But wild stock - about 70% are infected or carriers • Stringent disease screening is required• About 50% of the balance stock (30%) face mortality • Leaving behind only 15% • Actual no. required - increase six fold (720,000 pieces)
Shrimp Brood Stock requirement
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• Started in Johor in the 1930s with trapping pond system
• Late 1960s hatchery production of tiger shrimp PL
• Modern pond system in 1970s
• Extensive, semi-intensive & Intensive
• Late 1990s extensive system phased out & some farms even
went for heavy stocking using super-intensive system
• WSSV disease out break - 1999
Shrimp Culture in Malaysia
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• WSSV Disease outbreak in 1999 causing mass mortality & economic losses
What’s the major issue in Black Tiger Shrimp Culture?
mass mortality
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• Application of best management practices
• Development of sustainable production system
• Introduction of Pacific White Shrimp
• Production of SPF brood stock and disease free post larvae for black tiger shrimp – the forward
Action Taken For Development of Shrimp Industry
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INITIATED IN
OCTOBER, 2003
Collaborative Program on SPF P. monodon Brood Stock
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Hatchery Facilities
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Without ExpansionWithout Expansion
BTA HATCHERY, TG. RESANG, MERSING
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P. monodon Brood Stock Domestication and selective breeding programme
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• 2002-2003 Use a portion of the production hatchery for primary and secondary quarantine of Sabah, Terengganu and Penang brood stockin an attempt to produce SPF stock.
• High mortality from virus and insignificant number of offspring were produced. (First Phase)
• Realized the necessity of stocks with low incidence of disease, more bio-secure facilities, and more rapid diagnostic capability.
• 2002 and 2003 Mozambique animals were imported to Singapore and tested for 5 viruses, and confirmed to be disease free.
• October 2003 –started th e collaborative program with DOF and using Mozambique brood stock. (Second Phase)
Early History of BTA Breeding Program
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Batch Month
1st October 2003
2nd November 2003
3rd December 2003
4th January 2004
5th May 2004
6th June 2004
7th August 2004
8th October 2004
Over RM 500,000 were invested in the purchase of wild brood stocks from African Continent
History of Brood stock procurement
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146 wild stock from Terengganu, Penang & Sabah were
used
Only 32.95 were clean stock
Program terminated because of high cost of disease
screening to get the required number of clean stock for
SPF program
Phase 1 of SPF Program(2001-2003)
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Imported shrimp brood stock from African continent
Followed the quarantine procedures strictly with the
supervision of Fisheries staff
Followed the viral screening process for 7 different
viruses (WSSV, IHHNV, YHV, TSV, GAV, MBV, & HPV)
Phase 2 of SPF Programme(Oct. 2003 – Present)
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• Develop SPF lines for Breeding Program per protocols developed by Prof Donald Lightner.
• Family selection in combination with individual selection for Breeding Program.
• Mass Selection in combination with Family Selection for Production Hatchery.
• Combination of mass breeding and cross breeding of families for Production.
Current Approach
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SPF Facilities
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Primary & Secondary Quarantine And Water Discharge Treatment Facility
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SPF Procedures
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• WSSV, YHV, GAV AND TSV were screened 3 times at two weeks interval
• MBV and HPV were screened 5 times in the same period • Stocks positive to any one of these viruses are destroyed
• Stocks with negative results for these viruses are selected in the third screening and sent to secondary quarantine for post larvae production.
Virus Screening in Primary Quarantine
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Screening for Infectious Viruses
Primary Quarantine
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• Stocks with negative results for these viruses are selected in the third screening and sent to secondary quarantine.
• Stocks are tagged using eye tag bands
• Released into 10 ton tanks and given ESA treatment
Secondary Quarantine
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• Matured shrimps ready for spawning are collected and placed in spawning tank.
• Spawns are collected and placed in hatching tanks
• Shrimp nauplii from a single spawn considered a family and raised to PL to constitute a family (founder stock- 100families)
Spawning & Egg collection
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Primary & Secondary Quarantine And Water Discharge Treatment Facility
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PL rearing production in the secondary quarantine to produce Founder stock (F1 brood stock)
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Outdoor Brood Stock Rearing FacilitiesWhere PL were stocked and raised to brood size
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Shrimp Brood Stock Selection
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• Selected brood stock from grow-out ponds were brought to primary quarantine
• Virus screening was strictly followed
• Brood stock cleared third screening process sent to secondary quarantine
• Second generation of PL were produced through the mass selection process (marked using elastomer dye for family selection)
• PL were sent to out door grow-out ponds to produce F2 brood stock
Production of F2 Generation
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• Selected brood stock from grow-out ponds were brought to primary quarantine
• Virus screening was strictly followed
• Brood stock passed the third screening process sent to secondary quarantine but strictly using family pairing method
• Third and subsequent generations of PL were produced through the family selection process
• PL were sent for grow-out purpose in the indoor breeding tanks and others to the out door grow-out ponds.
Production of F3 and subsequent Generations
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Reservoir
Indoor Brood stock Rearing FacilitiesIndoorIndoor Brood Stock Rearing TanksBrood Stock Rearing Tanks
Indoor Brood Stock Rearing Facilities(For Family Selection F3 ~ F5)
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Results & Discussion
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Brood Stock Maturation(Mozambique stock)
Generation Duration for Maturation
Mating %
F1 Brood stock 12 – 13 months 1.8 per day
F2 Brood stock 11 – 12 months 1.8 per day
F3 & F4 Brood stock
10 – 9 months 3.3 % per day
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Facilities for Commercial
Production of SPFPost-larvae
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Water Treatment Tanks
WATER STORGE AND TREATMENT FACILITIES
U.V. Treatment
Seawater Reservoir 520 tons
Commercial Production of SPF PL
Sand Filter & Foam Fractionator
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Hatchery New Spawning & Hatching Facilities
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Larval Rearing & Nursery Facilities
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Performance of Larvae Culture
Generation Spawning & No of eggs/spawn
Survival Rate(Nauplii to PL)
PL size
Wild Stock Maximum 3 times 35% PL 18
F1 Brood stock
Max. 10 times (250,000 pieces)
30 – 40% PL 18
F2 to F4 Brood stock
Max. 10 times(200,000 pieces)
57.0% PL15
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Performance in Commercial Grow-out
Culture of SPFPos-larvae
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Stocking SPF PL for commercial shrimp production
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Harvesting of SPF Shrimp from commercial operation
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Grow-out Culture
Generation DOC for 25 g
Survival Rate
FCR
PL from F1 Brood stock
135 days 63 % 1.89
PL from F2 Brood stock
116 days 66% 1.7
PL - F5 generation 100 days Culture in progress
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• Farms with good farming practices did not performed well without any disease incidence using BTA –SPF-PL
• MBV & HPV detected at early stage in F1 & F2 but totally eliminated in the subsequent generations
• IHHNV was detected but proven to be an integrated virus (part of the genome of African stock) and not an infectious type- PCR primers are available now to differentiate the two.
Grow-out Culture
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• Direct and speed the process of domestication
• Genetic gain of 10-15% per generation for growth
• Healthier animals
• Product quality (No tail rot, no soft shell, no blue color, good texture and color)
• Increased production efficiency
• Sustainability and growth of aquaculture industry
Benefits of Genetic Improvement
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Uniqueness of SPF stock
Tip of the uropod is reddish
Basal region of the pleopod is white in color
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Uniqueness of SPF stock
ead :Thorax Ratio
Local stock SPF stock
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PF stock, when cooked gives an even
tone of reddish color
Uniqueness of SPF stock
Local stockSPF stock
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Conclusion
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• Though WSSV is widespread in the country, black tiger shrimp culture is possible to continue with SPF stock as a result of the collaboration between DoF & BTA
• Non of the farms with good farming practices using SPF PL has reported any WSSV, YHV, GAV & MBV disease outbreak
• More farmers will get back to black tiger shrimp culture
• Many shrimp processors in the region could not penetrate the Australian market due to its stringent quarantine measures against pathogenic virus in raw an semi cooked product. SPF products from Malaysia has been accepted successfully
Success Story
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