These posts provides variety of information on African catfish, Clarias gariepinus. The artificial reproduction of the species is addressed including the sexing of broodstock, extraction of the pituitary gland, hormonal injection, ovulation, stripping, egg fertilization, and incubation. The nursing of catfish fry is covered. Also, the natural spawning is included. The farming systems of African catfish is covered.
Nov 05 2011
Determining the spawning readiness of African catfish (Clarias gariepinus) female is assessed based on the softness of female abdomen as shown one photo. Female ovulation could be judged based on the release of few eggs under slight pressure. Females are watched for ovulation and should be stripped and eggs fertilized. Note: We decided not to watermark the photos …
Permanent link to this article: https://fishconsult.org/?p=1178
Nov 05 2011
Pituitary gland extract is used in induced reproduction of African catfish (Clarias gariepinus). In order for the pituitary extract to be effective, donor fish should be sexually mature whether male or female. Also, the extraction of pituitary gland is preferred to be close to or within the spawning season. Note: We decided not to watermark …
Permanent link to this article: https://fishconsult.org/?p=1171
Nov 05 2011
This photo shows clearly the projection of the male genital papilla of African catfish (Clarias gariepinus)
Permanent link to this article: https://fishconsult.org/?p=1161
Nov 05 2011
The photo shows how female African catfish (Clarias gariepinus) is identified based on the genital papilla (watch the reddish color of the papilla).
Permanent link to this article: https://fishconsult.org/?p=1155
Sep 25 2011
This project proposal addresses the small-scale fish farming in Senegal. The propsed location of the project is Tambacounda province. Farming and marketing of Nile tilapia and African catfish is the main objective of this proposed project. The rationality of this project in this specific location is based on the geographic distance from landing sites as …
Permanent link to this article: https://fishconsult.org/?p=477
Sep 23 2011
The current project targets the production of African catfish fingerlings starting by 850,000 and increasing in subsequent years. The project which will be located in Mukono district (Uganda) has identified the key physical requirements of land and equipment as well as human resources. Marketing strategy as planned ensures a continous supply of catfish fingerlings throughout …
Permanent link to this article: https://fishconsult.org/?p=448
