Infrastructural facilities - Atermia hatching unit

Unit 9 - Hatcheries

Fresh water prawn hatchery

Infrastructural facilities
Atermia hatching unit
Artemia hatching unit consists of 50 lt. to 500 lt capacity FRP cylindro – conical jars. The conical part of the jar is translucent and the innersurface of the jar is white in colour. The jar has a lid. Aeration is provided at the centre of the cone. An outlet valve is provided at the centre of the cone to harvest the artemia naupdil after hatching. Above the each jar two florescent tube lights are fixed to get 1000 Lux light.

Post-larval rearing unit
In the hatcheries the post-larvae are generally reared in 10 to 20 ton capacity cement tanks/plastic pools/FRP tanks. These tanks are roofed under asbestos side open sheds. Aeration is provided in the tanks. In the field post-larvae are reared in hapas fixed in the earthen ponds.

Equipment
The essential equipments are pumps, oil free air blowers, generator, salinity, refracto meter, chloroscope, pH meter, thermo meter, oxygen meter, analytical balance, mixer, cooker, refrigerator, oven, hotplate, sieves etc.,

Other facilities
In addition to the above facilties the hatchery complex consists of pump houses, power house, filter units, over head tanks, small lab, store office, staff quarters etc.,
Last modified: Wednesday, 27 April 2011, 10:04 AM