THE ADVANTAGE OF HAVING A NURSERY POND FOR BANGUS, VANNAMEI SHRIMPS
A NURSERY POND IS A COMMON PRACTICE.
It is a shorter cycle simply means saving in costs for feeds and energy.
In using a nursery pond is more stable in controlling the predators . Vannamei Shrimp has been in any farm. Nurseries grow post larvae and accustomed them to the marine condition.
Nursery ponds are very important for producing fish fingerlings. There is a need to repair the dike carefully before stocking the fry in nursery pond.
In controlling the aquatic weed, we can use the traditional method using simple device like bamboo stick, straw made twisted rope.
There is also a need to remove the unwanted fish before stocking. It is also a must to use agricultural lime.
The fishpond operator used lime at the time of pond preparation . The action of lime treatment is beneficiary in small requests.
By using agricultural lime, it can correct the acidity of the water. It also decomposed organic matters of deposits on soil takes place. Liming serves as a disinfectant against fish disease.
In the presence of calcium as a nutritive agent, high production of calcium as a nutritive agent, high production of phytoplankton and zooplankton get stimulated to fulfill the need of nutrition by growing fish fingerlings.
The stocking should be done either in the early morning or late evening after gradual acclimatization of the spawn to the pond water.
Brown colour of water reveals rich zooplankton growth. Dirty colour reveals suspension of silt in the water column. Maintenance of one meter water depth is advisable in nursery pond.