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Abdel Rahman El Gamal

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Pigmented eggs of Nile tilapia, Oreochromis niloticus

The photo shows the pigmented stage of the eggs of Nile tilapia, Oreochromis niloticus. Because tilapia eggs are opaque  and have tough chorions, special preparations will be required in order to examine tilapia eggs microscopically. The eyed stage will follow the pigmented phase shown in this photo. Note: We decided not to watermark the photos …

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Permanent link to this article: http://fishconsult.org/?p=941

Sexually mature female of Nile tilapia (Oreochromis niloticus) – front view

Sexually mature female of Nile tilapia (Oreochromis niloticus) – watch for the projection and reddishness of the genital papilla (front view). 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 will be appreciated.

Permanent link to this article: http://fishconsult.org/?p=930

Full siblings of red and naturally colored tilapia

Full siblings of red and naturally colored tilapia resulting from mating of Nile tilapia with mutant red tilapia (this hybrid will not breed true). 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. …

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Permanent link to this article: http://fishconsult.org/?p=923

Nile tilapia (Oreochromis niloticus) – morphological characteristics

Nile tilapia (Oreochromis niloticus)- Watch the tail bands. 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 will be appreciated. [important][/important]

Permanent link to this article: http://fishconsult.org/?p=910

Checking the spawning of Nile tilapia, Oreochromis niloticus in hapa system in Egypt

Checking tilapia spawning in open system using hapas. The intervals between checkings depend on water temperature and target product whether fry andor eggs. 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 …

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Permanent link to this article: http://fishconsult.org/?p=904

Open system for tilapia spawning using hapas in Egypt

The photo shows an open-system for tilapia hatchery in Egypt. This type of hatcheries is based on hapas placed in earthen ponds. The advantage of such system is mainly economical as well as the ability to nurse fry in nursing hapas in this open system. However, because the spawning in this system takes place during …

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Permanent link to this article: http://fishconsult.org/?p=896

Greenhouse-type tilapia hatcheries

Greenhouses when used as tilapia hatcheries in temperate countries such as Egypt would enable early spawning and help extend the spawning season. Durability of plastic sheets determines the frequency of its replacement and so the cost involved. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust …

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Permanent link to this article: http://fishconsult.org/?p=888

Lecturing in aquaculture training course held in Qatar (2002)

This training on aquaculture course has been aranged and hosted in 2002 by the Ministry of Municipality and Agriculture (Qatar) with the cooperation of the Arab Organization for Agricultural Development (AOAD). The course has been designed for Qatrai trainees. Dr. Abdel Rahman El Gamal delivered several lectures in this course.  

Permanent link to this article: http://fishconsult.org/?p=871

Promotion of aquaculture in family farming workshop (AARDO – Oman) 2007

This international workshop has been organized by Afro-Asian Rural Development Organization (AARDO) and hosted by Ministry of Agriculture and Fisheries, Sultanate of Oman. The workshop was held in Muscat during the period 8-12 September, 2007. The promotion of small-scale aquaculture was the principal objective of the workshop. Among the workshop activities, country reports were presented. …

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Permanent link to this article: http://fishconsult.org/?p=671

Lecturing in shrimp training course in Islamic Republic of Iran (2002)

Upon the request of Food and Agriculture Organization of the United Nations (FAO) and Fisheries of Iran (Shilat), Dr. Abdel Rahman El Gamal delivered a lecture on shrimp genetics in the regional training course on shrimp farming that was hold in Boushehr during the period 18-31 May, 2002. [important]Lecturing in shrimp training course in Iran …

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Permanent link to this article: http://fishconsult.org/?p=644

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