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Showing posts with label Tanks. Show all posts
Showing posts with label Tanks. Show all posts

31 May, 2010

Intensive Culture of Tilapia in Tanks II. Hatchery & Nursery Operations


The business of raising Tilapia does not involve growing the fingerlings to marketable size alone. Another profit center in this enterprise that can even be more profitable is the hatchery and nursery operations. The higher profitability of these operations relies on the fact that the feed input is much less than the grow-out operations. Furthermore, in terms of the turn-over rates, the hatchery operations takes only about a week while the nursery operation takes about one month as compared to the four to five months it will take before the marketable sized fish is sold.

Similar to the grow-out culture, the hatchery and nursery of tilapia in tanks offers a solution to increased production at a limited space as compared to the traditional pond and cage culture systems. It also minimizes the risk of crop loss due to typhoons and inundation. Furthermore, intensification of culture means less exploitation of the area and more effective management and controlled operation. It is envisioned that it is only through the tank system that aquaculture can be “industrialized” by providing better control and predictable production levels.

24 May, 2010

Intensive Culture of Tilapia in Tanks I. Grow-out Culture- Tank Design & Operations)





Many are interested in the culture of Tilapia in tanks because of the advantages it offers: first,  less space is needed, second,  better management control, third, less labor is needed, fourth, better quality of fish produced, and fifth, less risk of loss of stocks due to typhoons and flooding.


Its only disadvantage is- it is more expensive to construct and because no natural food can be produced, feeding will depend entirely on commercial feeds.  Encouraged by these reasons, many have actually ventured into this business but failed because of lack of information on the system requirements.  The design of the tank system together with the life support system is crucial to the operations and will determine the success or failure of this business.