Tag: Uruguay

Sturgeon nutrition and feeding

Photo credit: Facundo Marquez (Estuario del Plata – Uruguay) Review: Facundo Marquez and Abdel Rahman El Gamal (Founder of the website)       This photo has been taken in a commercial caviar producing farm in Uruguay. The feed mill shown in the inserted photo belongs to the farm and produced feed and feed ingredients are certified …

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Permanent link to this article: https://fishconsult.org/?p=12713

Production of sturgeon caviar and meat in a commercial enterprise in Uruguay- Video

Video credit:Facundo Marquez (Estuario del Plata – Uruguay) Review: Abdel Rahman El Gamal (Founder of the video channel) The enterprise has a production capacity of about 10 tons of caviar and 700 tons of sturgeon meat every year. The facility is located at the Rincón del Bonete Reservoir on the River Negro. The facility has land-based …

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Permanent link to this article: https://fishconsult.org/?p=12570

Cage culture of sturgeon in Uruguay

Credit: Facundo Marquez (Estuario del Plata – Uruguay) Review: Facundo Marquez and Abdel Rahman El Gamal (Founder of the website)       The two photos show the river culture of sturgeon in cages in Uruguay. Cages used are square where each cage measures 6m x 6m x 3m depth. The three species/varieties of sturgeon are: …

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Permanent link to this article: https://fishconsult.org/?p=12568

Egg incubation and embryonic development of black catfish, Rhamdia quelen – Uruguay (in Spanish)

Credit: Claudia Turra (Uruguay) Foto 1: Huevos en incubación de Bagre Negro. Foto 2: Vista microscópica de Alevinos de Bagre Negro en sus primeras etapas de formación. Foto 3: Vista microscópica de Alevinos de Bagre Negro. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you …

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Permanent link to this article: https://fishconsult.org/?p=6026

Hatchery technology and early nursing of black catfish, Rhamdia quelen in Uruguay

Photo credit: Claudia Turra (Uruguay) –  Description: Claudia Turra and Abdel Rahman El Gamal In nature, the black catfish, Rhamdia quelen reproduce during most of the year except during the winter months. Being fractional spawners, females release small amounts of eggs several times during the spawning season. The absolute fecundity (number of eggs/female) could range from about …

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Permanent link to this article: https://fishconsult.org/?p=6010

Reproduction of black catfish, Rhamdia quelen in Uruguay – (Broodstock)

Photo credit: Claudia Turra (Uruguay) –  Description: Claudia Turra and Abdel Rahman El Gamal This species, Rhamdia quelen which belongs to the siluridae family is a South American catfish that is known by Black catfish in addition to other local names. The photo shows a broodstock of Black catfish in “Punta Negra” fish farm, Maldonado-Uruguay. The …

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Permanent link to this article: https://fishconsult.org/?p=6003

Aerial View of the fish farm “Punta Negra”, Uruguay

Credit: Claudia Turra (Uruguay) This facility is located in Maldonado Department, Uruguay. It´s a company dedicated to the production of Red Claw lobster to gastronomic purposes, ornamental fish like goldfish and Koi carp, and fry production of black catfish (southamerican cathfish), grass carp and Madrecita de agua (Cnesterodon desemmaculatus). The photo shows the earthen ponds …

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Permanent link to this article: https://fishconsult.org/?p=5458

Vista aérea de la Granja acuícola “Punta Negra”, Uruguay. (in Spanish)

Credit:Claudia Turra (Uruguay) Esta ubicada en el Departamento de Maldonado, Uruguay. Es una empresa dedicada a la producción de Langostas Pinzas Rojas (Cherax quadricarinatus) con fines gastronómicos, peces ornamentales: goldfish (Carassius auratus), Carpas Koi (Cyprinus carpio), producción de alevinos y juveniles de Bagre Negro (Rhamdia quelen), Carpa herbívora (Ctenopharyngodon idella) y Madrecitas de agua (Cnesterodon …

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Permanent link to this article: https://fishconsult.org/?p=5444

A state fish hatchery for common carp (Cyprinus carpio) and black catfish (Rhamdia quelen) in Uruguay

Credit: Alejandro Perretta (Uruguay) These photos show the only state fish hatchery for the production of common carp and black catfish in Uruguay. The hatchery is located in the north in a small village called “Villa Constitución” in “Departamento de Salto” (Salto province). The mandate of the hatchery is to supply seeds of common carp …

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Permanent link to this article: https://fishconsult.org/?p=3424

A fish farm for meat production of sturgeon hybrid in Uruguay (management)

Credit: Alejandro Perretta (Uruguay) The early stages takes place indoor under controlled conditions (incubators) as seen in one of the photos. The incubation and hatching is done for imported fertilized eggs of sturgeon hybrids within the genus Acipenser. As shown in the remaining photos, the Indoor-produced sturgeon fingerlings are moved to tanks of relatively small …

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Permanent link to this article: https://fishconsult.org/?p=3321

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