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Introduction to fish culture in rice paddies
(2019-12-05)
Rice-fish culture is not widely practiced around the world. Most information comes from Asian countries, particularly the Philippines, Indonesia, and Japan, where traditional rice farming methods have been refined over ...
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 ...
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 ...
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 ...
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 Oreochromis niloticus fingerling production systems
(2019-12-05)
Fish culture is an important component of many rural development projects in areas suffering from protein shortages. Oreochromis niloticus is often chosen for its good cultural characteristics. However, an adequate supply ...
Organic fertilizers for fish ponds
(2019-12-05)
Organic fertilizers are usually animal manures or plant wastes and cuttings ("green manure"). Manure from chickens, goats, sheep, ducks, pigs, rabbits, cattle and horses are excellent fertilizers for fish ponds. Other ...
Introduction to tilapia culture
(2019-12-05)
Tilapia are native to Africa, but have been introduced in many countries around the world. They are disease-resistant, reproduce easily, eat a wide variety of foods and tolerate poor water quality with low dissolved oxygen ...
Introduction to polyculture of fish
(2019-12-05)
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 ...
Reproductive biology of Oreochromis niloticus
(2019-12-05)
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 ...