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On-farm and on-station comparison of wild and domesticated Cameroonian populations of Oreochromis niloticus
Type: Journal Article
Wild (Sanaga River) and domesticated populations of Oreochromis niloticus were compared onfarm and on-station in the Central Province of Cameroon to determine the degree to which genetic deterioration of stocks may have ...
Stock evaluation and development of a breeding program for common carp (Cyprinus carpio) in Karnataka, India: progress of a research project
Type: Journal Article
Common carp (Cyprinus carpio) is the single most important species for aquaculture in the state of Karnataka, India, where it is generally grown in polyculture with Indian major carps. Precocious maturation and unwanted ...
GIFT technology manual: an aid to tilapia selective breeding
Type: Manual
This manual is intended as an aid in the transfer of the selective breeding technology developed by the WorldFish Center and its partners. It was based upon experience and material accumulated during the ‘Genetic Improvement ...
Genetic improvement of the herbivorous blunt snout bream (Megalobrama amblycephala)
Type: Journal Article
Selection experiments with the herbivorous blunt snout bream or Wuchang bream (Megalobrama amblycephala) were started in 1985. Mass selection for size and length/depth ratio resulted in a significant increase in growth and ...
Heritability estimates and response to selection for growth of Nile tilapia (Oreochromis niloticus) in low-input earthen ponds
Type: Journal Article
This study presents results of two generations of selection (G1 and G2) for growth of Nile tilapia. The selection environment consisted of earthen ponds which were fertilized daily with 50 kg dry matter (dm)/ha chicken ...
Genetic improvement and effective dissemination: keys to prosperous and sustainable aquaculture industries
Type: Book Chapter
There is an increasing demand for fish in the world due to a growing population, better economic situation in some sectors, and greater awareness of health issues in relation to food. Since capture fisheries have stagnated, ...
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 ...
Fishponds in farming systems
Type: Book
This book is a collection of refereed papers on a controversial subject in agricultural development. Arguing that sustainability of fish culture in ponds needs a new paradigm - feed the pond to grow fish - two chapters ...