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Category: A.A. EL GAMAL

Items under ownership of Abdel Rahman El Gamal, PhD

May 11 2015

Performance of the video channel – April 2015

Dear Friends, Here is the performance of the video channel as received from Google analytic. I am pleased to know that 200 videos have been accessed last month (April) with a significant time. I feel lucky to get a wealth of videos from friends from all-over the world. I sincerely hope you find something useful …

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Permanent link to this article: http://fishconsult.org/?p=12633

May 11 2015

Visits to the website during 2015 – Thank you

Dear Friends I decided to share with you the analysis by Google on April 2015. Thanks for your visits. I hope whatever I bring in is useful. I am pleased to see the steadily increase in the geographical countries. If you wish to subscribe, you will be notified with new posts. Thank you Best regards …

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Permanent link to this article: http://fishconsult.org/?p=12630

Apr 04 2015

Freshwater aquaculture of rainbow trout in Denmark

Photo credit:Gurgen Khanamirian (Armenia) Review: Gurgen Khanamirianand Abdel Rahman El Gamal (Founder of the website) The inserted picture was taken in an intensive rainbow trout freshwater farm located in Central Jutland (Denmark). Fish production in this given farm amounts 100-110 kg/m3. The following review provides some background information on the development of trout culture in Denmark. …

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Permanent link to this article: http://fishconsult.org/?p=12525

Mar 24 2015

Jellyfish processing and export in SriLanka

Photo credit:Tim Huntington (UK) Technical review: Abdel Rahman El Gamal (Founder of the website)           This jellyfish resource remains un-utilized for many years until an emerging demand on jellyfish showed up and led to a significant activity in SriLanka within a relatively short time. In order to meet the increasing demand, …

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Permanent link to this article: http://fishconsult.org/?p=12490

Mar 11 2015

Peaceful angelfish may fight sometimes – Video

This video has been filmed during December 2014 in the Sea World, San Diego, California, USA. Before going over the biological information, I was surprised to see how these peaceful fish –as their name tells- can fight. In fact, angelfish are generally peaceful especially when not mating but they under certain conditions such as overcrowding, …

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Permanent link to this article: http://fishconsult.org/?p=12464

Feb 25 2015

Oil trapping and swim bladder inflation of marine fish

Review: Abdel Rahman El Gamal (Founder of the website)     The inserted picture was taken in a marine hatchery in Italy in which gilthead seabream and European seabass are reproduced. The simple devices shown on the water surface of the tank are skimmers which trap oil originating from rotifers being fed an enrichment diet. …

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Permanent link to this article: http://fishconsult.org/?p=12433

Jan 27 2015

Hormonal sex reversal of tilapia fry (practice and contradicting opinions) – Video

After a short introduction of tilapia in aquaculture, this 17-min video focuses on the production of all-male tilapia through the sex reversal practices using male hormone. The logic sequence of the sex reversal process has been maintained to large extent starting by the sexual differentiation in tilapia then determining the appropriate age and/size for successful …

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Permanent link to this article: http://fishconsult.org/?p=12261

Jan 17 2015

Production of all-male tilapia through hybridization – Video

Author: Abdel Rahman El Gamal (Founder of the website and video channel) This 8-min presentation addresses one specific topic which is the use of hybridization in the production of all-male tilapia fingerlings. The presentation highlighted to role of tilapia in global aquaculture as well as the necessity of producing all-male tilapia. Hybridization among tilapia species …

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Permanent link to this article: http://fishconsult.org/?p=12238

Jan 09 2015

California two-spot Octopus, Octopus bimaculoides (Description, feeding, reproduction, camouflage) – Video

This video was filmed at the Sea World, San Diego, USA Source: www.fishconsult.org   Introduction: The California two-spot octopus (Octopus bimaculoides), also known as the “bimac” octopus, is an octopus species found off the coast of California (from central California to northern Baja California). The species is normally found in the shallow areas of about 20-m depth so they …

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Permanent link to this article: http://fishconsult.org/?p=12232

Nov 25 2014

Liming fish ponds

This 4-slide information bite addresses the liming of fish ponds including the different purposes of liming as well as types of lime and criteria of each lime form. The applications of lime has been addressed and supported by photos. Determining the quantity and need through analysis has been also covered. [gview file=”http://fishconsult.org/wp-content/uploads/2014/11/Liming-fish-ponds.pdf”]       …

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Permanent link to this article: http://fishconsult.org/?p=12107

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