The role ofthe hatchery is vital to
augment the production of fish seed
and created environment to enable to
produce any quality and quantity of
seed.
Role of a Hatchery
Traditional hAtchery
The earliestdevice for
hatching carp eggs
was the hatching pits
employed by the carp
breeders .
Earthen
Hatching Pit
• Pits are dug in several
several rows and the inner
walls areplastered with mud.
• The fertlilized eggs are put
into the hatching pit
• A constant flow of water is
maintained to ensure proper
aeration and to reduce the
accumulation of wastes.
• when yolk sac is absorbed, it
is collected with a piece of
cloth and is transferred to
7.
Earthen Pot Hatchery
•This is the one of the earlier method adopted
for better hatching rates.
• The fertilized eggs are collected from the
bund and are kept in a number of locally
made earthen pots arranged in a particular
way.