Browsing Water Harvesting and Aquaculture for Rural Development by Subject "Fish ponds"
Now showing items 1-5 of 5
Culture of hand-selected male tilapia
(2019-12-05)
A major problem of pond-cultured tilapia is excessive reproduction, and subsequent stunting of fish due to overcrowding. To combat this problem a pond may be stocked with all-male fish. This technique is monosex culture ...
Eliminating unwanted fish and harmful insects from fish ponds
(2019-12-05)
Poisons or "toxicants" are used to eliminate unwanted fish, insects and other harmful organisms from a pond. A wide variety of poisons is available. This manual describes some which are commonly used.
Introduction to fish culture in ponds
(2019-12-05)
A pond is a body of standing, as opposed to free-flowing, water that is small enough to be managed for fish culture. Fish production in farm ponds can provide protein and profit for farmers. Fish such as oreochromis and ...
Production of 1-gram, mixed-sec Oreochromis niloticus fingerlings in earthen ponds
(2019-12-05)
Grow-out ponds stocked with mixed-sex tilapia fingerlings of different ages will yield large numbers of small tilapia at harvest because some of the stocked fish become sexually mature and reproduce soon after stocking. ...
Single pond system for sustainable production of Oreochromis niloticus
(2019-12-05)
Farmers can grow mixed-sex tilapia for food and still produce their own fingerlings in a single pond. The system requires few inputs and works well on subsistence farms. Farmers using this system may no longer need to ...