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SUBJECT: nigeria/ necrose; maladie de l'appareil digestif; goats; nigeria/ necrosis; ovin

POSTED TO: Journal of Animal Production Research (Nigeria) [0189-0514]

The document enumerates the physical, chemical and biological water quality variables essential to the management of fish ponds. The documentation is based on simple techniques which could be applied by any fish farmer irrespective of his or her educational background

SUBJECT: contamination chimique/ proliferation planctonique; nigeria; estanques piscicolas; calidad del agua; contaminacion quimica/ proliferacion de plancton

POSTED TO: National Institute for Freshwater Fisheries Research Technical Report Series (Nigeria) [0331-6734]

The paper defines micro-algae and states its ecological importance especially in the wild and as a major feed for the mass culture of zooplankton needed to feed fish larvae, fry and fingerlings in fish hatcheries. Methodologies for micro-algal isolation are discussed in relation to nutrient requirement, and culture techniques. The use of the haemacytometer as a handy tool for the counting of m ...

SUBJECT: nigeria/ cultivo; phytoplancton; substance nutritive; nutrientes; nigeria/ pratique culturale

POSTED TO: National Institute for Freshwater Fisheries Research Technical Report Series (Nigeria) [0331-6734]

The dietary components of selected fish species were identified. Chironomid larvae formed an important food item of young and adult fish of Tiga Lake. Seeds, higher plant tissue, filamentous algae and detritus were also important constituents. S. Galilaeus and Oreochromis niloticus were seen to have similar dietary habits as Alestes nurse and Alestes dentex

SUBJECT: nigeria/ enquete; oreochromis; alestes; nigeria/ encuestas; comportement alimentaire

POSTED TO: National Institute for Freshwater Fisheries Research Annual report 1988 (Nigeria) [0331-9296]

Aquatic birds contribute to the social life and fisheries of lake Kainji, as source of bush meat, in assisting fishermen in locating fishing ground, in trado-medicine and as an inspiration in local art. Aquatic birds however constitute some pest menace attributes as in the damage of fishing nets, littering of vessels and environment and predation

SUBJECT: aves acuaticas; operaciones pesqueras; degat/ feces; communaute rurale; danos/ heces

POSTED TO: National Institute for Freshwater Fisheries Research Annual Report 1989 (Nigeria) [0331-9296]

The paper stressed the significance of reliable supply of good quality water, good soil characteristics, the topography and vegetation as major factors to take into consideration in constructing a fish pond. The step by step procedures required in designing and constructing fish ponds are also described

SUBJECT: ingenieria; peche continentale; nigeria; ingenierie; estanques piscicolas

POSTED TO: National Institute for Freshwater Fisheries Research Technical Report Series (Nigeria) [0331-6734]

The document contains 1307 list of references on Kainji Lake covering international and national literature from 1968-1988. Author, subject, and geographic indexes enhance the efficient use of the document

SUBJECT: peche continentale; nigeria; pesca continental; documentation; documentacion

POSTED TO: National Institute for Freshwater Fisheries Research Technical Report Series (Nigeria) [0331-6734]

The report is a study of aquacultural development in the Ekiti South West Local Government of Nigeria. The feasibility report identified the physical features, water resources and potentials for agriculture, human population and animal resources of the proposed site. The body of the main report gave guideline on site selection, pond construction, hatchery and pond design and management sources ...

SUBJECT: pisciculture; tilapia; extension; alimentacion de peces; piscicultura

Four techniques of induced spawning in fish, i.e induced natural spawning without hormone administration, hormone induced spawning, homoplastic hypophysation using crude fresh pituitary extracts and stripping method were tried on the mudfish, Clarias anguillaris, with a view to establishing a method for mass fingerling production. Result showed that the stripping method was the most efficient

SUBJECT: pisciculture; clarias; alevines; nigeria; piscicultura

POSTED TO: National Institute for Freshwater Fisheries Research Technical Report Series (Nigeria) [0331-6734]

A total of 590 fish with a total weight of 63,015g. were caught from six sampling stations. 17 species came from 7 families. The experimental catches were dominated in term of number by family Bagridae of which 42.7 were made up by Chrysichthys auratus. Family Characidae came next with 20.60. Catches by weight were dominated by the family Cichlidae with 30.07 of total catch followed by Bagrida ...

SUBJECT: distribution naturelle; composicion de la captura; nigeria; pesca lacustre; distribucion natural

POSTED TO: National Institute for Freshwater Fisheries Research Annual Report 1988 (Nigeria) [0331-9296]