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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: https://fishconsult.org/?p=10258

Cage farming of Nile tilapia, Oreochromis niloticus in Senegal

 Credit: Lo Oumy Seck (Senegal) The photo shows a unit of cage farming in Senegal River. Cage aquaculture was first practiced at experimental level in Senegal in 1984. However, for variety of reasons, the outcomes during the early practices were not satisfactory. From the year 2000 onward, the practice witnesses some improvements as represented in …

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Permanent link to this article: https://fishconsult.org/?p=10231

Condition factor – Fulton condition factor

This 4-slide information bite addresses the background information on the condition factor that is also called Fulton condition factor. The bite introduced the environmental and biological factors which influence the K factor supported by some examples. The bite ended by an example of the K factor values for trout and salmon that correspond with different …

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Permanent link to this article: https://fishconsult.org/?p=10222

Zooplankton analysis in fish pond water – Video

The video is a part of a training program demonstrating the analysis of zooplankton in a fish pond. As shown in the video, a plankton net is used in the sampling procedures. The mesh size of the net determines the size range of the plankton trapped. A-80μm net will retain small zooplankton such as rotifers …

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Permanent link to this article: https://fishconsult.org/?p=10202

Ancient water wheels in Fayoum (Egypt) – Video

Source: www.fishconsult.org These wooden water wheels were first introduced to Fayoum by the Ptolemies engineers for lifting water between four and five meters to the irrigation channels of the agronomic projects. These water wheels move water in a very old traditional way. During those old days, certain families specialized in making these water wheels. These historic water wheels do …

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Permanent link to this article: https://fishconsult.org/?p=10198

Processing and uses of seaweed products in South Korea

Credit: Ahmad Yousef alqarain (Jordan) The type of seaweed processing in this plant includes drying, freezing and packaging. Several seaweed groups are processed in this plant including the following groups. Alaria (Alaria esculenta) is processed for different purposes including the miso soup, salads (steamed whole leaf), use in green or energy drinks (powdered). The “Porphyra” which is …

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Permanent link to this article: https://fishconsult.org/?p=10189

Economic overwintering system for Nile tilapia using hapas in earthen ponds under greenhouses – Video

Unlike most overwintering systems whereas concrete or fiberglass tanks are commonly used under greenhouses, you will see in this videos the overwintering of Nile tilapia, Oreochromis niloticus takes place in hapas placed in earthen ponds. This system is far economical and more practical especially overwintered fish continues to be in the nursing or holding ponds …

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Permanent link to this article: https://fishconsult.org/?p=10182

Sea turtles (introduction – distribution – breathing – salt glands – utilization) – Video

Video credit: Glenda Vélez Calabria (Colombia)  –   Review: Abdel Rahman El Gamal This video was taken in mundo marino and te mostramos lo que pasa en el fondo, Colombia Introduction: Sea turtles have been around for a very long time and are one of the earth’s most ancient creatures since the time of dinosaurs which …

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Permanent link to this article: https://fishconsult.org/?p=10174

Sistemas de cultivo de abanico (Argopecten purpuratus) en Perú – in Spanish

Credit: David Mendoza Ramirez (Peru) Desarrollado a lo largo del litoral peruano, empleando principalmente sistemas suspendidos (Long Line). Los niveles de producción de estas especies son de mayor escala (mayores a 50 TM/año). El principal destino de comercialización es el mercado internacional. Su principal desventaja consiste en una fuerte dependencia de las condiciones ambientales para …

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Permanent link to this article: https://fishconsult.org/?p=10169

Costs and benefits arising from the establishment of maritime zones in the Mediterranean Sea

Ownership of these reports: MRAG Ltd, IDDRA and LAMANS Management Services Provided and introduced by: George Triantaphyllidis (LAMANS) These reports belong for a study which was funded by the European Union. The project “Costs and benefits arising from the establishment of maritime zones in the Mediterranean Sea (MARE/2010/ 5)” had an overall objective of shedding …

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Permanent link to this article: https://fishconsult.org/?p=10137

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