Sexual maturation, embryonic development, hatchery technologies, all-male production, over-wintering, farming systems whether in monoculture, polyculture or integration. The farming facilities are covered including earthen ponds and cages. Because Nile tilapia (Oreochromis niloticus) is widely cultured worldwide, large number of posts addressed this species. However, other tilapia species are also addressed. The reproduction and seed production of tilapia are covered including sexual maturation, embryonic development, hatchery technologies, all-male production of tilapia fry are all covered. This category includes also some posts on the post-harvest practices.
Nov 03 2011
The photo shows the pigmented stage of the eggs of Nile tilapia, Oreochromis niloticus. Because tilapia eggs are opaque and have tough chorions, special preparations will be required in order to examine tilapia eggs microscopically. The eyed stage will follow the pigmented phase shown in this photo. Note: We decided not to watermark the photos …
Permanent link to this article: https://fishconsult.org/?p=941
Nov 03 2011
Sexually mature female of Nile tilapia (Oreochromis niloticus) – watch for the projection and reddishness of the genital papilla (front view). Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. This will be appreciated.
Permanent link to this article: https://fishconsult.org/?p=930
Nov 03 2011
Full siblings of red and naturally colored tilapia resulting from mating of Nile tilapia with mutant red tilapia (this hybrid will not breed true). Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. …
Permanent link to this article: https://fishconsult.org/?p=923
Nov 03 2011
Nile tilapia (Oreochromis niloticus)- Watch the tail bands. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. This will be appreciated. [important][/important]
Permanent link to this article: https://fishconsult.org/?p=910
Nov 02 2011
Checking tilapia spawning in open system using hapas. The intervals between checkings depend on water temperature and target product whether fry andor eggs. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. This …
Permanent link to this article: https://fishconsult.org/?p=904
Nov 02 2011
The photo shows an open-system for tilapia hatchery in Egypt. This type of hatcheries is based on hapas placed in earthen ponds. The advantage of such system is mainly economical as well as the ability to nurse fry in nursing hapas in this open system. However, because the spawning in this system takes place during …
Permanent link to this article: https://fishconsult.org/?p=896
Nov 02 2011
Greenhouses when used as tilapia hatcheries in temperate countries such as Egypt would enable early spawning and help extend the spawning season. Durability of plastic sheets determines the frequency of its replacement and so the cost involved. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust …
Permanent link to this article: https://fishconsult.org/?p=888
Sep 30 2011
The justification of this project proposal relied on the modest status of aquaculture (40 tons) compared to the high demand on fish in Sierra Leone. The annual production target of this project is a million tilapia fingerlings. The location of the project has been specified and so human resources. Hapa system has been the chosen system for the …
Permanent link to this article: https://fishconsult.org/?p=531
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
This project proposal targets to establish a red tilapia hatchery in Buenaventura (Colombia) for the production of red tilapia fingerlings as required by farming operations in Colombia based on current and predicted tilapia production till 2015 especially red tilapia whereas the demand for red tilapia fingerlings has been estimated till 2015. The specific objective of the hatchery is …
Permanent link to this article: https://fishconsult.org/?p=430
