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.
Jun 10 2012
Credit: Charles Ibinga Maganga (Gabon) Ici c’est une journée de sexage à SIAT/GABON, regarder la forme des épuisettes avec leur cerceau en liane; les femmes récupèrent les tilapia fingerlings (Pm≈ 40gr) dans les 30 étangs de pré-grossissements (36m²/étang); les mises en charge dans ces étangs se font à 20 alevins/m². Par jour je sexe environs 3500 …
Permanent link to this article: https://fishconsult.org/?p=3783
Mar 19 2012
Credit: Jorge Valdiviezo (Mexico) Unidad de Producción semintensiva de tilapia, cuenta con ocho estanques de concreto que en total conforman 184 m3, el promedio de producción anual es de 1.2 toneladas. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you …
Permanent link to this article: https://fishconsult.org/?p=2802
Mar 17 2012
Credit for the video: Fish Culture Development course (2010) – Spanish speaker group, description: Abdel Rahman El Gamal In mouth fish brooders such as the key farmed tilapia, a female incubates fertilized eggs till hatching. The incubation period is directly related to water temperature and can range from as short as 3 days to as long …
Permanent link to this article: https://fishconsult.org/?p=3036
Mar 11 2012
This video shows how the 2-person crew check the spawning of Nile tilapia (Oreochromis niloticus) in open hatchery system using hapas in earthen ponds. The crew are working at both sides of the spawning hapa. The gradually crowd tilapia broodstock to facilitate their handling. The intervals between checking depend on water temperature and target product whether fry …
Permanent link to this article: https://fishconsult.org/?p=2906
Mar 10 2012
This project proposal has been developed by a working group who participated in Fish Culture Development training course in 2011 under the supervision of Dr. Abdel Rahman El Gamal. The main focus of this project proposal is cage farming of Nile tilapia (Oreochromis niloticus), and African catfish (Clarias sp.) in Lake Chad. The document included the …
Permanent link to this article: https://fishconsult.org/?p=2866
Mar 10 2012
Credit: Mohamed El Gazaar (Egypt) Supply of water, aeration and removal of solid wastes As shown in the photo the supply of water is done at an angle of 45o. Placing the aerators at the same angle helps to circulate and move tank water in one direction which will lead to better oxygenation of tank …
Permanent link to this article: https://fishconsult.org/?p=2851
Mar 10 2012
Credit: Mohamed El Gazaar (Egypt) The first photo shows two types of tanks during the construction phase while the second photo shows the concrete base of the fattening circular tanks. Intermediate tanks: The 150-m3 rectangular tanks are used for the production of Nile tilapia juveniles of an average weight of 50-g which are required for …
Permanent link to this article: https://fishconsult.org/?p=2846
Mar 10 2012
Credit: Mohamed El Gazaar (Egypt) The first photo shows tilapia harvest of grow-out tank in a desert fish farm with a production capacity of 120 tons of fish/year. The production practices are intensified in this farm whereas production ranges from 28-32 kg of tilapia/m3 during a 4-month growing season. The underground water of a temperature …
Permanent link to this article: https://fishconsult.org/?p=2838
Mar 06 2012
Credit: Jorge Valdiviezo (Mexico) Unidad de producción de crías de tilapia ubicada a una altitud de 1,575 msnm, cuenta con siete piletas, incubadoras y 5 estanques para la engorda bajo un sistema semiintensivo de producción obteniendo en promedio 120 toneladas anuales. Note: We decided not to watermark the photos in order not to upset its …
Permanent link to this article: https://fishconsult.org/?p=2789
Feb 27 2012
The two photos cover the overall integrated aquaculture-horticulture project. In this specific project, horticulture is represented by banana while Nile tilapia (Oreochromis niloticus) represents the aquaculture component. Because of water scarcity in Egypt, the surface irrigation of banana farming is not encouraged due to its high water consumption. In order to compromise between the restrictions …
Permanent link to this article: https://fishconsult.org/?p=2644
