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Net enclosure system for Oreochromis niloticus fingerling production
Net enclosures can be used in every phase of tilapia culture from fingerling production to growing market size food fish. In Southeast Asia the "hapa" net system for Oreochromis niloticus fingerling production is very ...
Culture of hand-selected male tilapia
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 ...
Introduction to polyculture of fish
Polyculture is the practice of culturing more than one species of aquatic organims in the same pond. The motivating principle is that fish production in ponds may be maximized by raising a combination of species having ...
Introduction to fish culture in ponds
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 ...
Reproductive biology of Oreochromis niloticus
Oreochromis niloticus are native to most major Northern and Central African river systems and have been distributed widely throughout the tropical world. The number of dorsal fin rays and dorsal spines and the presence of ...
Single pond system for sustainable production of Oreochromis niloticus
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 ...
Eliminating unwanted fish and harmful insects from fish ponds
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 pond fertilization
A fish pond is a unique environment created by man. It must be managed properly to achieve good fish production. For centuries fish farmers have increased fish yields in ponds by using inorganic or chemical fertilizers and ...
Feeding your fish
Fish grow fast and stay healthy if they have enough nutritious food to eat. Living organisms are natural fish foods and are produced in the water where the fish live. Phytoplankton (microscopic plants), zooplankton ...
Transporting fish is a very important part of fish culture. Fry and fingerlings must be transported from hatchery to pond for stocking. Brood fish are sometimes transported into the hatchery to spawn. It may even be necessary ...