Tag Archive: hatchery

Aug 18 2014

Grading of sex-reversed tilapia fry in the Philippines

Credit: Ahmed Hegazy (Egypt)   The photos were taken in a commercial tilapia hatchery in the Philippines. The practice shows the grading of tilapia fry after the completion of the sex reversal process which is done in hapas in which 17ᾳ methayl testosterone is used for 21 days. The grading is an important practice in …

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Permanent link to this article: http://fishconsult.org/?p=11542

Jul 23 2014

Research facilities at the National Aquaculture Research and Development Centre (NARDC), Zambia

Credit: Majorie Mbambara (Zambia) The National Aquaculture Research and Development Centre (NARDC), is located in Kitwe district, Copperbelt Province, Zambia. The first photo shows hapas set in an earthen pond in preparation for a research experiment. The second photo shows experimental units which are sometimes used as holding ponds for fingerlings before selling. The building …

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Permanent link to this article: http://fishconsult.org/?p=11199

Jun 09 2014

تفريخ البلطى النيلى وإنتاج الذكور فى أحد المفرخات فى الفلبين

Credit: Ahmed Zaki (Egypt) هذة الصورتم أخذها فى أحد مفرخات البلطى فى الفلبين وحيث يتم فى هذا المفرخ تخزين أمهات البلطى النيلى بمعدل 3 إنات لكل ذكر. يتم تجميع الزريعة السابحة من على أجناب الحوض وذلك لنقلها إلى المعاملة بالهورمون الذكرى 17α-Methyltestosterone بهدف إنتاج زريعة بلطى نيلى جميعها ذكور. يصل معدل تجميع الزريعة فى هذا …

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Permanent link to this article: http://fishconsult.org/?p=10951

Jun 09 2014

Spawning and sex reversal of Nile tilapia fry in a Pilipino hatchery

Credit: Ahmed Zaki (Egypt) The photos were taken in a tilapia hatchery in the Philippine. In this hatchery the broodstock of Nile tilapia, Oreochromis niloticus at the ratio of 3 females: 1 male. The swim-up tilapia fry are collected along the pond sides using a long-handled, narrow-mesh deep nets.  The collected fry are transferred into …

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Permanent link to this article: http://fishconsult.org/?p=10947

Mar 25 2014

Hand-feeding of African catfish broodstock in Benin

Video credit: Ismael Radwan (Egypt) Review: Abdel Rahman El Gamal The video shows how peacefully the broodstock of African catfish, Clarias gariepinus repeatedly pick the feed pellets from the operator,s hand. We notice the tank has a net coverage to keep the catfish from jumping out of the tank.

Permanent link to this article: http://fishconsult.org/?p=10656

Mar 15 2014

Production of all-male tilapia using Nile tilapia super males in Guatemala – Video

Note: even though this video is educational video, you are advised to obtain a permission from the site/channel management if you are interested in embedding its link onto your site. Video credit: Manuel Cano Alfaro (Guatemala) Review: Manuel C. Alfaro and Abdel Rahman El Gamal   As been established long time ago, the development of tilapia …

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Permanent link to this article: http://fishconsult.org/?p=10531

Feb 25 2014

Hatchery-produced tilapia seed in Guatemala – Video

Credit video: Manuel Cano Alfaro (Guatemala) Review: Abdel Rahman El Gamal  and   Manuel Cano Alfaro The video has been taken in one of the few tilapia hatcheries in Guatemala. This particular hatchery provides tilapia fingerlings in the coastal area. The video shows the hatchery facilities including earthen ponds, metal tanks and concrete tanks. The sampling of …

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Permanent link to this article: http://fishconsult.org/?p=10420

Jan 16 2014

Seed production of Nile tilapia, Oreochromis niloticus in Senegal

Credit: Lo Oumy Seck (Senegal) The photo shows the only hatchery for Nile tilapia, Oreochromis niloticus in Senegal. This hatchery is governmental and located in Région de Saint-Louis, département de Richard-Toll. According to the most recent statistics, 880,000 tilapia fry were produced in this hatchery to meet the demand of private and governmental fish farms. It …

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Permanent link to this article: http://fishconsult.org/?p=10258

Jan 10 2014

Production of Nile tilapia and African catfish fingerlings at Richard-Toll station, Saint Louis, Senegal

Credit: Lo Oumy Seck (Senegal) This earthen pond belongs is a hatchery which in turn belongs to Richard-Toll station (Saint Louis) in the north of Senegal.  The station produces about 100,000 of 2-g fingerlings of Nile tilapia (Oreochromis niloticus) every year. Moreover, fingerlings of African catfish, Clarias gariepinus are also produced.  While fry feeds mainly …

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Permanent link to this article: http://fishconsult.org/?p=10234

Dec 02 2013

Establishment of a tilapia hatchery at the National Aquaculture Centre, Zomba (Malawi)

Credit: G.H. Mulaleya (Malawi) The photo shows the indoor facility of a fish hatchery which has been established in April 2010 the National Aquaculture Centre (NAC) at Domas, Zomba. The hatchery has been supported with the support from USAID through the Department of Fisheries. The hatchery includes three units which are namely broodstock unit, incubation …

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Permanent link to this article: http://fishconsult.org/?p=10019

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