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Now showing items 231-238 of 238
Pawpaw seed as fertility control agent on male Nile tilapia
Type: Journal Article
To find out if pawpaw (Carica papaya) seeds can induce sterility in male Nile tilapia (Oreochromis niloticus) and to determine if sterility so induced is reversible or otherwise, mature male tilapia of mean weight 40 g ...
Utilization of blue green algae (Anabena wisconsienense) as a feeding and biofertilization for Nile tilapia (Oreochromis niloticus) cultivated in rice fields
Type: Journal Article
This study has been carried out to investigate the growth performance and economic efficiency as well as pond productivity of Nile tilpia fingerlings cultured in rice fields as affected by dried blue green alga for nutrition ...
Analysis of demand for fish in Bangladesh
Type: Journal Article
An analysis of fish consumption patterns, and how they are likely to change as income and relative price changes, is required to assess the welfare impact of technological and policy changes in the fisheries and aquaculture ...
The evolution of aquaculture in African rural and economic development
Type: Journal Article
In Africa, aquaculture has developed only recently and so far has made only a small contribution to economic development and food security. We review developments and identify constraints to the expansion of aquaculture ...
Low cost murrel seed production technique for fish farmers
Type: Journal Article
A simple and low-cost breeding technology for breeding the striped murrel, Channa striatus in hapas in ponds was developed in India.
Towards the maximum profitability of smallholder catfish nurseries: predator defense and feeding-adapted stocking of Clarias gariepinus
Type: Journal Article
To determine how best smallholders could maximize the profitability of their catfish hatcheries, the cost/benefit analyses of using fences, hapas and bird nets to exclude predators; as well as over-stocking to create food ...
Genetic parameter and genotype by environment interaction for body weight of Oreochromis shiranus
Type: Journal Article
Genetic and phenotypic parameter estimates for tagging and harvest body weights were obtained from the F1 base (377 offspring of 59 full-sib families), F2 (1241 offspring of 52 full- and 33 half-sib families) and F3 (1052 ...
Breeding and culture of the sea cucumber Holothuria scabra in Vietnam
Type: Journal Article
The sea cucumber Holothuria scabra (sandfish) has been commercially exploited over a wide tropical and subtropical range for centuries. It can produce a high-value grade of beche-demer if processing is carried out well. ...