Browsing Water Harvesting and Aquaculture for Rural Development by Title
Now showing items 14-20 of 20
Net enclosure system for Oreochromis niloticus fingerling production
(2019-12-05)
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 ...
Oreochromis niloticus fry and fingerling production in tanks
(2019-12-05)
Tilapia fry may be produced in square, rectangular or circular tanks made of wood, concrete, bricks, fiberglass, or plastic with indvidual water inlets and drains. Tanks may be expensive, but are common where space is ...
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 ...
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. ...
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 ...
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 ...
Transporting fish
(2019-12-05)
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 ...