Abdel Rahman El Gamal
Author's posts
Oct 02 2013
Semi-intensive culture of tilapia in Peru
Credit: Carlos Calderón Deza via: Wilder Rodriguez Arteaga (Peru) In this production system, ponds of acreages from 0.5 to 3 acres are used with water exchange that ranges from 15 to 30% per day of the entire volume of the pond. In this system, aerators are used with aeration intensity that depends on the intensification level (ranges …
Permanent link to this article: https://fishconsult.org/?p=9422
Oct 02 2013
Cultivo Semi-Intensivo de tilapia en Perú (in Spanish)
Credit: Carlos Calderón Deza via: Wilder Rodriguez Arteaga (Peru) En este sistema de producción se utilizan estanques de 0,5 a 3 hectáreas con recambios de agua del 15 al 30% diario de todo el volumen del estanque y se utilizan aireadores, dependiendo del grado de intensidad de siembra del sistema (se utilizan desde 2 HP a …
Permanent link to this article: https://fishconsult.org/?p=9416
Oct 01 2013
Culture of Nile tilapia, Oreochromis niloticus in Nicaragua
Credit: Silvio Rene Picado Ramirez (Nicaragua) The introduction of Nile tilapia into Nicaragua goes back to 1956. However, the contribution of tilapia to aquaculture in Nicaragua was only felt during 1980s till the present. Different levels of intensification are practiced in Nicaragua. The photos show some practices in relation to the farming of tilapia in aquaculture …
Permanent link to this article: https://fishconsult.org/?p=9408
Sep 30 2013
Use of the phototactic behavior (attraction to light) in the collection of fish larvae
This single-slide bite address the utilization of the attraction of fish larvae to light to enable an efficient and safer collection of larvae. http://fishconsult.org/wp-content/uploads/2013/09/Attracting-fish-larvae-to-light-for-their-collection.pdf
Permanent link to this article: https://fishconsult.org/?p=9403
Sep 29 2013
Culture of green mussel, Perna viridis in Thailand
Credit: Worawut Koedprang (Thailand) The green mussel, Perna viridis is the most important species cultured along the coast of Thailand. It contributes around 62% (about 193,000 tons) of shell fish production and around 21% of total brackish water aquaculture production. At present, all seed used in green mussel aquaculture is naturally obtained. Green mussels are cultivated by extending …
Permanent link to this article: https://fishconsult.org/?p=9397
Sep 29 2013
Culture of blood cockle (Anadara sp.) in Thailand
Credit: Worawut Koedprang (Thailand) Blood cockle contributes by around 27% (82,000 tons) of shell fish production and about 9% of total brackish water aquaculture production. For extensive culture, blood cockle seeds are collected from the wild, but since 1973, spats of Anadara granosa have been imported from Malaysia to overcome the shortage of natural supply …
Permanent link to this article: https://fishconsult.org/?p=9393
Sep 29 2013
Cage culture of grouper (Epinephelus sp.) in Thailand (Development and challenges)
Credit for the cage photo: Samart Detsathit (Thailand) Credit for the species photo: Worawut Koedprang (Thailand) Review: Samarat, Worawut and Abdel Rahman El Gamal The culture of grouper in floating net cages is primarily undertaken in in the southern and eastern provinces of Thailand. The main species of cultured groupers are Epinephelus coioides and Epinephelus …
Permanent link to this article: https://fishconsult.org/?p=9386
Sep 29 2013
Desove y Fecundacion de Conchas de Abanico en Peru (in Spanish)
Credit: Oswaldo Mayta Castellanos via Wilder Rodrìguez Arteaga (Peru) Inducción del Desove: Estimulación Térmica (variaciones escalonadas de temperatura) Estimulación Química (adición de gametos, adición de peroxido de hidrogeno, irradiación del agua de mar con UV, Serotonina, etc.) Estimulación Mecánica (manipulación, exposición al aire, adicción de altas cantidades de microalgas, etc.).
Permanent link to this article: https://fishconsult.org/?p=9379
Sep 28 2013
Arapaima (Arapaima gigas) as a promising species for Colombian aquaculture
Photo credit: Jaime Uribe and Lury Garcia (Colombia) Review: Abdel Rahman El Gamal The possible contribution of “arapaima” (Arapaima gigas) is based on its successful farming in some countries especially in Brazil. The farming of arapaima is done as a part of the conservation of the species or for commercial operations. The potential development of …
Permanent link to this article: https://fishconsult.org/?p=9372
Sep 28 2013
Rice-fish culture in Madagascar (development and outlook)
Photo credit: BE Jean Jacques Review: Abdel Rahman El Gamal The integration between rice and fish is an old practice in Madagascar that goes back to around 1900. The practice began with several fish species which are namely common carp (Cyprinus carpio), goldfish (Carassius auratus), and black diamond cichlid (Paratilapia pollen). Recently, tilapia is being …
Permanent link to this article: https://fishconsult.org/?p=9365