Browsing Sustainable aquaculture by Issue Date
Now showing items 241-260 of 2402
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The Genetic Improvement of Farmed Tilapias (GIFT) project: the story so far
(1991)Type: Journal ArticleThis issue of Naga features three articles about a project on the Genetic Improvement of Farmed Tilapias (GIFT) and a related article on the trend to genetic deterioration in some carp hatcheries. The first is on the genesis ... -
Environmental impact of the golden snail (Pomacea sp.) on rice farming systems in the Philippines
(1991)Type: Conference ProceedingsA summary report of the workshop held at the Freshwater Aquaculture Center, Central Luzon State University, Nueva Ecija, Philippines, on 9-10 November 1989. It discusses the effects wrought by the golden snail since its ... -
Aquaculture technology research for smallholder farmers in rural malawi
(1991)Type: Conference PaperIn order to develop aquaculture systems and technologies relevant to the maize-based famring system in rural Africa, ICLARM is conducting farmer-participatory research in Malawi. This involves farmer-researcher interaction ... -
Approaches to national fish breeding programs: pointers from a tilapia pilot study
(1991)Type: Journal ArticleDetails are given of a framework for developing breeding programmes using experience from the Genetic Improvement of Farmed Tilapias project which focussed on Nile tilapias (Oreochromis niloticus ). The following aspects ... -
Growth and mortality of Indian mackerel Rastrelliger kanagurta (Scombridae) in the Visayan Sea, Central Philippines
(1991)Type: Journal ArticleThe growth of Indian mackeral Rastrelliger kanagurta in the Visayas Sea, central Philippines, is estimated, based on length-frequency data from 1983 to 1987 and the Compleat ELEFAN program. Results are TL8 = 38 cm and K = ... -
Exemple de la contribution de l'analyse fsctorielle des correspondences pour suivre l'evolution de la structure d'une population piscicole
(1991)Type: Journal ArticleThis contribution demonstrates an application of correspondence analysis to length-frequency data of catfish (Ictalurus melas, lctaluridae) sampled by electrofishing in the Garonne River, near Toulouse, France. The available ... -
Preference of different terrestrial plants as food for Tilapia rendallli and Oreochromis shiranus
(1991)Type: Journal ArticleFish have distinct preferences for plants and there is need to identify those that will lead to good growth and production, especially in Africa where there is abundant natural and agricultural waste vegetation. Some plants ... -
Growth, mortality and recruitment of short-wing flying fish Oxyphorhampus micropterus in Bohol Sea, Philippines
(1991)Type: Journal ArticleThe von Bertalanffy growth parameters (L8 and K) were estimated, based on length-frequency data from the small scale fishery, and the Compleat ELEFAN software, for short wing flying fish Oxyphorhampus micropterus (Hemiramphidae) ... -
Population control in farmed tilapias
(1991)Type: Journal ArticleUnder the majority of culture practices, the reduction or elimination of reproduction in culture ponds results in significantly improved yields of marketable fish. An examination is made of existing methods for the control ... -
The predicament of the freshwater fisheries and aquaculture of Sri Lanka
(1991)Type: Journal ArticleA discussion is presented on the current problems facing the freshwater fisheries of Sri Lanka, following the decision taken by the Government to abolish the Inland Fisheries Division of the Fisheries Ministry and to stop ... -
Photographic image analysis for morphometric studies of tilapia
(1991)Type: Journal ArticleBiologists have long employed morphometry as a tool in identification, grouping of populations and stock identification of fish. For tilapias, studies have been made on the variability of morphomeric characters in Egyptian ... -
Tabular data on marine fishes from Southern Africa. Part II: growth parameters
(1991)Type: Journal ArticleThis contribution presents von Bertalanffy growth parameter estimates for 28 species of marine fishes derived from growth curves in R. van der Elst's "Guide to the Common Sea Fishes of Southern Africa". -
The biometrics of marine fishes from the Gulf of Aden
(1991)Type: Journal ArticleThe growth parameters (L sub( infinity ), K, t sub(0)), total mortality and length-weight relationships of 23 speciesof fishes studied during a UNESCO-sponsored study of the fish populations of the Gulf of Aden, in the mid-1980s, ... -
Growth and feed utilization of Oreochromis niloticus fingerlings fed with diets containing cassava peelings and mango seeds
(1991)Type: Journal ArticleThe results are presented of trials conducted whereby cassava peel and mango seed were fed to Nile tilapia (Oreochromis niloticus ) fingerlings. Findings indicate that these products may successfully be used as part of thediets ... -
Abstracts [of] the Third International Symposium on Tilapia in Aquaculture, 11-16 November 1991
(1991)Type: ReportISTA III is co-organized by ICLARM (International Center for Living Aquatic Resources Management), Manila, Philippines and CRO (Centre de Recherches Oceanographiques), Abidjan, Cote d'Ivoire. This volume contains the ... -
Mollusc and crustacean culture possibilities in Lagos lagoon and the Niger Delta
(1991)Type: Journal ArticleAn examination is made of the possibilities of the development of mollusc and crustacean culture, especially intraditional harvesting areas of the Niger Delta, as a means of accelerating protein self-sufficiency. Scope for ... -
Simple method for year-round breeding of Clarias gariepinus
(1991)Type: Journal ArticleDetails are given of a simple method for the year-round production of Clarias gariepinus fry in homestead concrete tanks. Procedures involved regarding the induced spawning of the fish, egg hatching and rearing of fingerlings ... -
Population dynamics of Nemipterus japonicus from the northern Arabian Sea, Pakistan
(1991)Type: Journal ArticleCatch-per-effort and length-frequency data on threadfin bream Nemipterus japonicus (Nemipteridae) supplied by the staff of the R/V Dr. Fridtjof Nansen, covering the period September 1983 to June 1984, were analyzed using ... -
Aquaculture research and development in rural Africa: summary report
(1991)Type: Conference ProceedingsA summary report on the ICLARM-GTZ/Malawi Fisheries Department/University of Malawi International Conference in Zomba, Malawi, on 2-6 April 1990. Contains abstracts of the papers, which attempt to identify the reasons why ... -
Constraints to aquaculture extension in rural Africa
(1991)Type: Journal ArticleAn examination is made of problems involved in the extension of aquaculture in traditional villages in Malawi.Aquaculture is relatively new in the country and requires technical support from very competent personnel who ...
