Search
Now showing items 1091-1100 of 2402
Participatory action learning (PAL) : a manual and a compilation of pond and rice field fish culture PAL sessions plans
Type: Manual
This manual, which focuses on pond and rice field ecosystems, is in two parts. Part 1 provides background information for trainers of farmers on using the theory of participatory action learning (PAL), provides a PAL ...
Population control in farmed tilapias
Type: Journal Article
Under 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 ...
Genotype by production environment interaction in the GIFT strain of Nile tilapia (Oreochromis niloticus)
Type: Journal Article
Three discrete generations of GIFT fish (Nile tilapia strain, Oreochromis niloticus; a total of 10,065 fish with pedigree and phenotypic information) were tested in pond and cage culture environments to determine genotype ...
Growth, mortality and recruitment of Nile perch Lates niloticus (L. Centropomidae) in the Nyanza Gulf of Lake Victoria: an evaluation update
Type: Journal Article
A reassessment of the estimates of growth, mortality and recruitment patterns of Nile Perch, Lates niloticus was made based on data from commercial landings collected during the Catch Assessment Survey Programme. Two sets ...
Population structure and genetic variability of six bar wrasse (Thallasoma hardwick) in Northern South China revealed by mitochondrial control region sequences
Type: Journal Article
The genetic relationships among northern South China Sea populations of the six bar wrasse (<i>Thallasoma hardwicki</i>) were investigated. Fish collected from the Solomon Islands were used for geographic comparison. In ...
Empirical equations for the estimation of natural mortality in Mediterranean teleosts
Type: Journal Article
Empirical relationships were established linking estimates of the instantaneous rate of natural mortality (M), the von Bertalanffy growth parameters, L sub( infinity ) (or W sub( infinity )) and K, and annual mean water ...
Molecular probes and polymerase chain reaction (PCR) -based kits for diagnosis of shrimp diseases
Type: Journal Article
Technology for effective and fast diagnosis of animal diseases is essential for developing aquaculture management strategies. This paper reviews the conventional techniques for shrimp disease diagnosis and discusses the ...
Blue frontiers: managing the environmental costs of aquaculture
Type: Report
The report begins with an overview of the current status of world aquaculture. It then goes on to describe an approach for estimating the current combined biophysical resource demands of aquaculture for producer countries ...
Maximizing the contribution of fish to human nutrition
Type: Conference Paper
Hunger and malnutrition are the world's most devastating problems and are inextricably linked to poverty. A total of 842 million people in 2011-13, or around one in eight people in the world, were estimated to be suffering ...
Control of microcystis aeruginosa using tannic acid
Type: Journal Article
One of the most difficult challenges facing the commercial fish producers is how to keep the constant balance that required maintaining a stable relationship among the water, fish and microscopic flora and fauna in their ...






