Abdel Rahman El Gamal
Author's posts
Mar 11 2012
Checking the spawning of Nile tilapia (Oreochromis niloticus) in hapa system in Egypt (Video)
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 11 2012
Post harvest practices of farmed tilapia in Egypt – Video
Credit for the clip: Samuel Simon Zigizo (South Sudan) Description: Abdel Rahman El Gamal As the awareness on fish quality and safety increases among fish farmers in Egypt, post harvest procedures have significantly developed. The video shows tilapia how tilapia harvest is transferred in netting scoop nets and placed temporary into a tank whereas crushed …
Permanent link to this article: https://fishconsult.org/?p=2900
Mar 11 2012
Counting and transporting Pangasius fingerlings in India (Video)
Credit for the clip: Indian farmers and G. Venkata Raju (India) – Description: Abdel Rahman El Gamal This video shows the procedure of counting, loading and transporting of Pangasius fingerlings in India. What could be distilled from the video is the large number of counters (males and females) which will ultimately lead to shorten the …
Permanent link to this article: https://fishconsult.org/?p=2894
Mar 11 2012
Harvest of Indian carps (India) – Video
Credit: Indian fish farmers and G. Venkata Raju (India) Labeo rohita (Rohu) and Catla catla (Boche) are two popular fishes among the Indian Major Carps in fish farming practices. The production ranges between 15 – 20 ton/ha at the places where the carp farming is going on in commercial way. The farmers use conventional feeds …
Permanent link to this article: https://fishconsult.org/?p=2887
Mar 11 2012
Fish Packing and Transport in India (Video)
Credit: Indian fish farmers and G. Venkata Raju (India) Andhra Pradesh is one of the states of India which supply large quantities of food fish (carp) in other states of the country and neighbouring countries like Nepal, Bhutan and Bangladesh. For that purpose, the fish harvested has to be transported (by road) to the distant …
Permanent link to this article: https://fishconsult.org/?p=2881
Mar 11 2012
Harvest of catfish (Pangasius) in India (Video)
Credit: Indian fish farmers and G. Venkata Raju (India) Catfish (Pangasius) has been introduced a few years back as an alternative species in the brackish water shrimp ponds due to its survival and fast growing nature in the hard pond environmental conditions. Fry level seed has been brought from Bangladesh and successfully …
Permanent link to this article: https://fishconsult.org/?p=2873
Mar 10 2012
Intensive cage farming of Nile tilapia and African catfish in Lake Chad (in French)
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
Desert aquaculture for Nile tilapia, Oreochromis niloticus integrated with agricultural crops in Egypt- Part 3- water quality management
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
Desert aquaculture for Nile tilapia, Oreochromis niloticus integrated with agricultural crops in Egypt Part 2- Construction
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
Desert aquaculture of Nile tilapia, Oreochromis niloticus integrated with agricultural crops in Egypt Part 1- General features
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