Abdel Rahman El Gamal
Author's posts
Dec 10 2011
Compost enclosure in a fish pond (Rwanda)
Credit: Fidele Kampayana (Rwanda): The photo shows a divider made of bamboo in an earthen fish pond whereas organic fertilization is practiced. The divider creates a compost enclosure, where the farmer puts organic fertilizers regularly renewable; this divider prevents the spread of manure in pond water because the compost enclosure is installed in the water …
Permanent link to this article: https://fishconsult.org/?p=1860
Dec 10 2011
Use of green manure in Rwanda aquaculture
Credit: Fidele Kampayana (Rwanda): The photos show cut plants piled in the corner of a fish pond during its decomposition (green manure). Cut plants when piled up in pond water, they rot and decompose easily offering optimum environments for bacterial growth. Also, as plants decompose, its contents of nutrients are released enhancing fish production through …
Permanent link to this article: https://fishconsult.org/?p=1854
Dec 10 2011
Integrated rabbit-fish culture (Rwanda)
Credit: Fidele Kampayana (Rwanda) These photos belong to a private farm in Rwanda where integrated system is being applied between rabbits and mix-sex Nile tilapia (Oreochromis niloticus). The minimum pond size is about 500m2. Fish are stocked at a rate of 2 fingerlings per m2. In this particular pond, tilapia of 5-g average size has …
Permanent link to this article: https://fishconsult.org/?p=1841
Dec 10 2011
Artisanal fishery in Venezuela – B (in Spanish)
Credit: Luis Gallardo (Venezuela) Poblacion de Rio Caribe, estado Sucre,Venezuela, Comunidad de pescadores artesanales 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 is expected and will be appreciated. [important][/important]
Permanent link to this article: https://fishconsult.org/?p=1825
Dec 10 2011
Artisanal fishery in Venezuela – A (in Spanish)
Credit: Luis Gallardo (Venezuela) Poblacion de el Morro de Puerto Santo, estado Sucre, Venezuela. Comunidad de pescadores artesanales. 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 is expected and will be …
Permanent link to this article: https://fishconsult.org/?p=1820
Dec 10 2011
Overview on fishery sector in Venezuela (in Spanish)
Credit: Luis Gallardo (Venezuela) En Venezuela, la pesca de arrastre quedo prohibida por la nueva Ley de Pesca y Acuacultura a partir del 14 de marzo de 2009.Es el primer país en el mundo que adopta esta decisión. El nuevo texto prohíbe la actividad de arrastre en todas las aguas jurisdiccionales de Venezuela. La decisión del …
Permanent link to this article: https://fishconsult.org/?p=1813
Dec 05 2011
Culture of whiteleg shrimp, Liptopenaeus vannamei in India
Credit : G. Venkata Raju (India) – (gvraju_fisheries@yahoo.co.in) After the repeated failure of Penaeus monodon (giant tiger prawn) culture due to white spot disease, shrimp farmers are now resorted to the culture of whiteleg shrimp, Liptopenaeus vannamei in the brackish water ponds. The picture represents successful operation of Vanamei farming. Note: We decided not to watermark …
Permanent link to this article: https://fishconsult.org/?p=1781
Dec 02 2011
Fish Culture Development training course (2011)
This 10-week training course is annually organized by the Egyptian International Centre for Agriculture (EICA). This year, the course started on the first of October and will last till the middle of December 2011. Dr. Abdel Rahman El Gamal contributes to the course with series of lectures as well as through the group projects. The 2011 course is …
Permanent link to this article: https://fishconsult.org/?p=1720
Nov 30 2011
The role of women of Tharu tribe in fishery in Nepal
Credit:Deepak Bhusal (Nepal) Fish and rice is considered a main food to Tharu tribes in Nepal although they use other food of plant or animal origin. Since hunting in forests has been banned, Tharu community began to consume more and more fishes which they catch from rivers, streams and swamps. The photo shows a traditional …
Permanent link to this article: https://fishconsult.org/?p=1749
Nov 30 2011
Sampling of fish eggs through catheterization (biopsy)
Review: Abdel Rahman El Gamal (Founder of the website and video channel) Determining the size (diameter) of eggs from female’s ovary by catheterization (biopsy) is being used as a criteria to determine the sexual maturation of females. Catheters could be rigid (made of glass or hard plastic) or flexible (made of polyethylene or vinyl). The …
Permanent link to this article: https://fishconsult.org/?p=1726