Apr 23

Start an Automated Edible Oyster Culture Business

Edible oyster is one of the best known and most widely cultivated marine animals. The oysters are highly esteemed seafood and considered a delicacy in the USA, Europe, Japan, etc. In India, there is a growing demand for oyster meat in some parts of the country.

Until recently, oyster farming uses traditional practice only in temperate countries. The awareness about the vast potentialities for the development of oyster farming in tropics is recent.

Oyster farming

Oyster farming problems:-

In oyster farming, the routine activities like the feeding of oyster, draining & replacement of dirty water & debris consume labour work & time. Furthermore, the current oyster fish sellers do not have any background and care requirements information for the fish that they sell.

Scope for oyster farming in India

In India, James Hornell made many attempts in 1910 in developing Oyster Culture in erstwhile Madras state. Central Marine Fisheries Research Institute undertook scientific investigations at Tuticorin from the early ’70s, and as a result, a complete package of the technology is now available in the country.

Vast stretches of backwaters, estuaries, and bays present along with the Indian coast harbour natural population of the oyster suggesting the suitability of the habitat for oyster culture. Being filter feeders, the edible oyster converts primary production in the water into nutritious seafood.

Candidate species

Six species of edible oysters namely the Indian backwater oyster Crassostrea Madra Sensis, Chinese oyster, C.rivularis, West coast oyster, C.gryphoides, Indian rock oyster, Saccostrea cucullata, Bombay Oyster, Saxostrea cucullata, and giant oyster Hyostissa hyotis are found in India.

The first four species mentioned above are of commercial value.
Of the six species of oysters, the Indian backwater oyster C. Madra Sensis is the dominant species, more widely distributed, is euryhaline and inhabits backwaters, creeks, bays, and lagoons and occurs in the coastal areas of the States of Orissa, Andhra Pradesh, Tamil Nadu, Kerala, Karnataka, and Andamans.

C.gryphoides is also euryhaline and occurs along with north Karnataka, Goa and Maharashtra coast. C.rivularis is found along with Gujarat and Maharashtra coast while Saccostrea cucullatais found all along the mainland coast and Andamans and Lakshadweep islands. The culture of these species is possible at places where the seed is easily available.

Key factors of the aquarium:

Heater and the temperature sensor– To regulate the temperature within the aquarium system.

Aerator– To ensure availability of oxygen within the aquarium

Inlet and outlet pumps– For in filling and draining of the system respectively.

Level sensor– To monitor the water level in the system especially during filling and draining exercise.

Dirty sensor- Enables microcontroller to change the water as at when due.

Feeder-For adequate feeding of the fishes.

Light sensor- To automate the lighting of the environment. The output elements comprising the heater, feeder, aerator, inlet pump, outlet pump and LEDs work by the microcontroller through actuators via the smart interface.

LCD- To view data input to the controller via a keypad

Investment :- 20,000 for one aquarium of size 10*10
Payback period:-  1 year

BIOLOGY, TECHNICAL PARAMETERS AND FARMING PRACTICES OF Crassostrea and all the investment and machinery info, everything about the first step till the last step.

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