Abdel Rahman El Gamal
Author's posts
Feb 20 2019
Production of tilapia and fish feed in a farm in Tanzania
Photos’ credit: Debora Amsi (Tanzania)Description: Debora Amsi and Abdel Rahman El Gamal (Founder of the website) The inserted photos are taken in a fish farm located in Dar es Salam – Pugu Kinyamweei (Tanzania) The farm was established in 2013. The farm has enough numbers of nursery and grow-out ponds. In addition to fingerlings and …
Permanent link to this article: https://fishconsult.org/?p=14755
Feb 13 2019
Cage culture of tilapia in Brazil – Video
Video credit: Elsadig Arbab (Sudan) – Description: Elsadig Arbab and Abdel Rahman El Gamal (Founder of the video channel) The inserted post (video) shows a visit to a cage farm of tilapia in Brazil. The visit was accomplished by high level delegates from Sudan and took place during 2014. The cage units shown belong to …
Permanent link to this article: https://fishconsult.org/?p=14749
Feb 06 2019
Artificial reproduction of Koi carp in Vietnam (Video)
Video credit: Mohamed Atta (Egypt) – Review: Abdel Rahman El Gamal (Founder of the video channel) The inserted video was filmed in a private fish hatchery in Vietnam. The video began with the egg stripping upon the ovulation of two females. One can notice that the egg volume varied among the two females with much …
Permanent link to this article: https://fishconsult.org/?p=14745
Jan 31 2019
Aquaculture in Sudan (Status – Challenges – Outlook) – in Arabic
This introductory lecture was delivered in the opening of the “Aquaculture training workshop” which was conducted during the period from 07 to 12 October 2018 and held in Khartoum and hosted by the Agricultural Bank of Sudan. In this lecture, I tried to bring in the information on fishery/aquaculture sector in Sudan as well as …
Permanent link to this article: https://fishconsult.org/?p=14741
Jan 30 2019
Catch of African catfish from the Naute Dam in Namibia
Photo credit: Kaulo Salushando (Namibia) – Review: Abdel Rahman El Gamal (Founder of the website) The inserted picture shows the catch of African catfish (commonly known in Namibia as sharp-toothed catfish), Clarias gariepinus. The shown specimens were caught from the Naute Dam. The Naute Dam which is the third largest dam in Namibia was built …
Permanent link to this article: https://fishconsult.org/?p=14736
Jan 29 2019
Control of phytoplankton bloom using chlorine dioxide
Photo credit: Marx Perfecto C. Garcia (Philippines) Description: Marx Perfecto C. Garcia and Abdel Rahman El Gamal (Founder of the website) As established, the turbidity caused by eutrophication and phytoplankton bloom in fish pond is a dangerous incidence that may ultimately cause stress and even kill of stocked fish. Means for the control of the …
Permanent link to this article: https://fishconsult.org/?p=14732
Jan 26 2019
Contribution of tilapia to aquaculture in Paraguay
Photo credit: Ariel Montiel Benitez (Paraguay) Review: Ariel Montiel Benitez and Abdel Rahman El Gamal (Founder of the website) The inserted picture shows a section of the National Fry Production Center in Paraguay where the fingerlings of Nile tilapia (Oreochromis niloticus) are produced. As shown in the inserted picture, school children and young people from …
Permanent link to this article: https://fishconsult.org/?p=14729
Jan 23 2019
PIT tagging of tilapia fingerlings (Video)
Review: Abdel Rahman El Gamal (Founder of the website) A Passive Integrated Transponders “PIT” tag is biologically inert small glass-encapsulated electronic microchip with a standard length that ranges between 10 and 14 millimeters and about 2 millimeters in diameter. Because the PIT is inert and has no internal battery, it remains dormant until its circuitry …
Permanent link to this article: https://fishconsult.org/?p=14723
Jan 18 2019
Grading of tilapia fry for sex-reversal process – Video
Video credit: Charles Bernard Makuya Description: Abdel Rahman El Gamal (Founder of the video channel) Because of the superiority of tilapia males over females in regard to growth rate, several scenarios are adopted towards the culture of all-male tilapia. Whether the use of male hormone (17-alpha methyl testosterone) is permitted or banned, its use is …
Permanent link to this article: https://fishconsult.org/?p=14719
Permanent link to this article: https://fishconsult.org/?p=14716