Hazrat Ali, Ahmed Jaman, Meezanur Rahman WORLDFISH … · Hazrat Ali, Ahmed Jaman, Meezanur Rahman...
Transcript of Hazrat Ali, Ahmed Jaman, Meezanur Rahman WORLDFISH … · Hazrat Ali, Ahmed Jaman, Meezanur Rahman...
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SHRIMP HEALTH MANAGEMENT
Hazrat Ali, Ahmed Jaman, Meezanur Rahman
WORLDFISH BANGLADESH
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• Seed production and farm locations
• Shrimp farming system overview
• Shrimp health management survey
• Sample frame development
• Data collection
• PHP use pattern at farm level
• Health management in hatchery and nursery
• Hatchery health products
PRESENTATION OUTLINE
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HATCHERY AND FARM LOCATIONS
Grow-out farms
Hatchery (mainly)
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• Intensive-monoculture
• Extensive-polyculture
with other fish
• Semi-intensive-
polyculture with prawn
and other fish
SHRIMP FARMING SYSTEM OVERVIEW
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SHRIMP HEALTH MANAGEMENT SURVEY
Sample frame development
• Intensive shrimp farms-124
-Farm source: DoF, CP, KI, Google earth
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• Extensive shrimp farms-331 (SEAT 2011, 3 clusters)
• Semi-intensive shrimp farms-294 (SEAT 2011, 3 clusters)
Farm scale criteria Small Medium Large
Farm area operation (ha) <0.80 0.80-2.0 ˃2.0
Land ownership Own Own/leased in Own/leased in
Management Household or
extended family
Household or
salaried manager
Salaried
manager
Full time labor (non-family) No No or Yes Yes
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DATA COLLECTION
• Semi-structured QS used for data collection
-Farm and interviewee details (GPS location)
-PHPs and other chemicals uses pattern
-Production characteristics
-Diseases
-Water quality and management
-Production costs
-Farmer knowledge level
-Biosecurity observation
-Salinity level
• Data collection was focused on last summer crop (2017)
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• 3 day long training session organized for data
enumerators including field test
• Data collection period: 12th October-27th December 2017
• Intensive shrimp farms as much as possible
• Extensive and semi-intensive farms were randomly
selected, random numbers were generated by using
following website- https://www.random.org/
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NUMBER OF FARMS SURVEYED
Technology Cluster# of farm
recorded
# of farm
surveyed
Intensive shrimp SW BD 124 91
Extensive shrimp
Magurkhali 112 27
Putimari 110 34
Bashakhali 109 33
Sub-total 331 94
Semi-intensive
shrimp and prawn
Faltita 110 30
Godown
Kultola 84 31
Gutudia 100 15
Sub-total 294 76
Total 749 261
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Farm
Scaling
Intensive
shrimp
Extensive
shrimp
Semi-intensive
shrimp and
prawn
Total
Small -- 39 52 91
Medium -- 35 20 55
Large -- 20 4 24
Total 91 94 76 261
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LOCATION OF SURVEYED FARMS
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LOCATION OF INTENSIVE FARMS
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LOCATION OF EXTENSIVE AND SEMI-INTENSIVE FARMS
Extensive shrimp Semi-intensive shrimp and prawn
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PHP USE PATTERN AT FARM LEVEL• Extensive shrimp/semi-intensive shrimp and prawn farms
rarely use PHPs
• Intensive shrimp farms routinely used PHPs mostly as
preventative measure
-Water and soil probiotics
-Gut probiotics
-Immunostimulants
• Mainly follow PHPs supplier technician instructions
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• Total number of hatchery- 57
(CoxsBazar-33,
Khulna/Satkhira-24)
• Discussion with product
suppliers, hatchery owners,
DoF officials, hatchery
association
• Hatchery GPS location
collection ongoing 24
24
HEALTH MANAGEMENT IN HATCHERY AND NURSERY
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HATCHERY HEALTH PRODUCTS
• 12 feed and PHPs importer and distributors based in
CoxsBazar
• 8-9 distributors imported probiotics
• 35+ branded probiotics are available for hatchery
• Probiotics were mainly for water quality control
• Planning for hatchery health management survey
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SOME PHOTOS DURING DATA COLLECTION
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Thank You