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Now showing items 11-20 of 29
Making experiment station results more useful to African fish farmers
Type: Journal Article
Rather than using more or less ideal conditions for setting experimental controls, the use of conditions similar to those likely to be encountered by farmers should produce research results which are realistically achievable ...
The evolution of body muscle composition of the African catfish (Clarias gariepinus) (Burchell 1822)
Type: Journal Article
Changes in body muscle composition of Clarias gariepinus were studied in fish reared from 1.08 g to 383 g mean body weight in a 201-day culture period. Changes in the amount of protein content, dry matter and ash free dry ...
Can nitrogen pollution from aquaculture be reduced?
Type: Journal Article
Nitrogen is essential for the normal growth of fish. It is an important ingredient in fish feed but is very expensive. There is evidence that nitrogen loading from feeding and metabolic activities of fish can cause pollution ...
Predicting food consumption of fish populations as functions of mortality, food type, morphometrics, temperature and salinity
Type: Journal Article
A large data set of relative food-consumption estimates (Q/B) of marine and freshwater fish populations (n = 108 populations, 38 species) is documented and used to derive a predictive model for Q/B, using asymptotic weight, ...
Transgene expressions in seabass (Lates calcarifer) following muscular injection of plasmid DNA: a strategy for vaccine development?
Type: Journal Article
Muscular injection has become one of the direct methods for transferring foreign DNA into organisms. The technique has been recently introduced in the development of vaccines and gene therapy. Vaccine development, in ...
Dissemination and evaluation of genetic improved tilapia species in Asia (DEGITA): final report (January 1998)
Type: Report
The major objectives of the DEGITA ( Project (Dissemination and Evaluation of Genetically Improved Tilapia Species in Asia) were: 1) to carry out genetic, socio economic and environmental evaluation of the improved tilapia ...
Manual on genetic improvement of farmed tilapia (GIFT) research methodologies
Type: Manual
Gathering and recording of biological data vital to experiments in a genetic improvement program should be carried out with efficiency, precision and accuracy. This is important in order to avoid marking erroneous conclusion ...
Policy imperatives for sustainable aquaculture development in Asia: lessons from Bangladesh, the Philippines and Thailand
Type: Conference Paper
The main objective of this paper is to identify an appropriate policy framework for the development of aquaculture and its contribution to overall economic development. The second section of this paper examines the performance ...
Observations on gillnet catches of Kariba tilapia, Oreochromis mortimeri from Bumi Basin of Lake Kariba, Zimbabwe
Type: Journal Article
Gillnet catches of Oreochromis mortimeri (Trewavas) were studied in the Bumi Basin of Lake Kariba in 1988 and 1989. Total length (TL) was positively correlated with standard length (SL). The linear relationship between TL ...
Preliminary studies of locomotion and burrowing by juvenile boring clam, Tridacna crocea
Type: Journal Article
Preliminary experiments in Okinawa, Japan, revealed that survival of juvenile Tridacna crocea depends on the size ofthe pit in which it is placed and its locomotory behavior. Juvenile T. crocea, less than 20 mm in shell ...