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Culture potentials of green mussel, Perna
viridis along the southern coasts of
Kerala .
Department of Aquatic Biology & Fisheries, University of Kerala.
*Centre for Marine Science and Technology, M.S. University.
Sumesh , C., Lipton, A.P*., Pramod Kiran , R.B. and Subhash , S.K
 Perna viridis - Potential species for aquaculture.
 Chippi in Tamil and Kallumekai in Malayalam.
 Distributed along west and east coasts of India.
 In Kerala found extensively in Kollam, Alappuzha, Kochi,
Kozhikode, Kannur and Kasargod.
INTRODUCTION
OBJECTIVES
 Evaluation of production potential of Green mussel
Length and weight in culture condition
Recording growth and production in culture condition
Hydrological parameters of the cultured waters
STUDY AREA
 Azheekal estuary in Kollam district, Kerala
 Farm I - 3.5 Km away from mouth of estuary.
 Farm II – 1.5 Km from farm I.
 Farm III – 0.5 Km distance from farm II.
Perna viridis (Linnaeus, 1758)
Phylum- Mollusca
Class - Bivalvia
Order - Mytiloida
Family - Mytilidae
Genus - Perna
species - viridis
METHODOLOGY
 172 days of rack culture method was carried out in 3 farms.
 Spats collected during December 2006 by using spat collectors.
 Each rack of 10 × 5 m2
area with 200 ropes each of 1 m
length and 15 – 20 mm diameter was seeded @ 2 kg/m
of rope using cotton mosquito net .
 Periodical monitoring of length and weight as well as
hydrological parameters was done in each farms.
Length(mm)
Sampling
RESULTS
Comparison of Length of Perna viridis in three experimental Farms
Comparison of Weight of Perna viridis in three experimental Farms
Sampling
Weight(gm)
Salinity 25 - 31 ppt
Temperature 21 – 30 ºc
pH 7.4 - 8.1
Dissolved oxygen 3.92 ± 0.02 mg/l
HYDROBIOLOGY
Site Size of
Rack
Days of
culture
No . of
Ropes
Weight
of seed
per rope
(kg)
Yield
per 1m
rope
(kg)
Total
yield (in
tones)
Farm I 10×5m 172 200 2 11 2.2
Farm II 10×5m 172 200 2 9 1.8
Farm III 10×5m 172 200 2 8 1.6
Details of rack culture of green mussel Perna viridis
Harvested mussels
CONCLUSION
 The production potential was compared with that of north
Kerala.
 The productivity was lesser than northern zone.
 Marketable size of mussel attained during the growth period
indicates suitability and possibility of further development of
mussel farming.
THANK YOU

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Mussel Farming in Kerala

  • 1. Culture potentials of green mussel, Perna viridis along the southern coasts of Kerala . Department of Aquatic Biology & Fisheries, University of Kerala. *Centre for Marine Science and Technology, M.S. University. Sumesh , C., Lipton, A.P*., Pramod Kiran , R.B. and Subhash , S.K
  • 2.  Perna viridis - Potential species for aquaculture.  Chippi in Tamil and Kallumekai in Malayalam.  Distributed along west and east coasts of India.  In Kerala found extensively in Kollam, Alappuzha, Kochi, Kozhikode, Kannur and Kasargod. INTRODUCTION
  • 3. OBJECTIVES  Evaluation of production potential of Green mussel Length and weight in culture condition Recording growth and production in culture condition Hydrological parameters of the cultured waters
  • 4. STUDY AREA  Azheekal estuary in Kollam district, Kerala  Farm I - 3.5 Km away from mouth of estuary.  Farm II – 1.5 Km from farm I.  Farm III – 0.5 Km distance from farm II.
  • 5.
  • 6. Perna viridis (Linnaeus, 1758) Phylum- Mollusca Class - Bivalvia Order - Mytiloida Family - Mytilidae Genus - Perna species - viridis
  • 7. METHODOLOGY  172 days of rack culture method was carried out in 3 farms.  Spats collected during December 2006 by using spat collectors.  Each rack of 10 × 5 m2 area with 200 ropes each of 1 m length and 15 – 20 mm diameter was seeded @ 2 kg/m of rope using cotton mosquito net .  Periodical monitoring of length and weight as well as hydrological parameters was done in each farms.
  • 8.
  • 9. Length(mm) Sampling RESULTS Comparison of Length of Perna viridis in three experimental Farms
  • 10. Comparison of Weight of Perna viridis in three experimental Farms Sampling Weight(gm)
  • 11. Salinity 25 - 31 ppt Temperature 21 – 30 ºc pH 7.4 - 8.1 Dissolved oxygen 3.92 ± 0.02 mg/l HYDROBIOLOGY
  • 12. Site Size of Rack Days of culture No . of Ropes Weight of seed per rope (kg) Yield per 1m rope (kg) Total yield (in tones) Farm I 10×5m 172 200 2 11 2.2 Farm II 10×5m 172 200 2 9 1.8 Farm III 10×5m 172 200 2 8 1.6 Details of rack culture of green mussel Perna viridis
  • 14. CONCLUSION  The production potential was compared with that of north Kerala.  The productivity was lesser than northern zone.  Marketable size of mussel attained during the growth period indicates suitability and possibility of further development of mussel farming.