Selama Musim Panas Udang | Panen Udang Vannamei Air Tawar Ukuran Besar

Selama Musim Panas Udang | Panen Udang Vannamei Air Tawar Ukuran Besar | During Shrimp Summer | Harvesting Large Freshwater Vannamei Shrimp
Stocking :
The hatchery produced PCR screened uniform sized SPF seed (PL-12) from a certified hatchery is stocked in the pond after acclimatization. The maximum permitted stocking density by CAA is 60 no./m2.
Feeding :
Vannamei is fed 4-5 times maily at 16% of the body weight initially and gradually reduced to 2% (159) with a sinking pelleted feed having 25-40% protein, 6-8% lipid, 2% unsaturated fatty acids and .25-.4% cholesterol. Other aspects of feeding are similar to that of the tiger shrimp.
Care and monitoring :
The quality of pond water is monitored and maintained as in the case of the tiger shrimp. Aerators @1hp per 500 kg of biomass are positioned in such a way that the sludge is accumulated at the centre of the pond bottom. It is removed during culture using bottom central drainage or sludge pump which is essential for high density culture. In order to aid the process sludge settled at other places should be disturbed regularly. This is achieved through dragging of chains at the bottom at regular intervals from all the sides of the pond. Weekly growth rate will be 1.5 g. Other aspects are same as that of the tiger shrimp.
Harvest :
The vannamei shrimp attain 20-25 g size within 90-120 days depending on the stocking density. As it lives in water column majority of the stock is harvested by cast netting and drag netting which reduces overcrowding and stress. Production of 6-10 t/ha can be obtained with a survival rate of 80%. The FCR will be normally 1:1.25.
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That's alot of shrimp