Jul 09 2013
Credit: Rodrigo Rivera González (Chile) Introduction: The current photos illustrate parts of the artificial spawning of Chilean sea urchin using chemicals based on its effectiveness. There are several physical, chemical and mechanical stimuli which could be used to induce the spawning of sea urchin and the release of gametes. The procedures related to the photos are …
Permanent link to this article: https://fishconsult.org/?p=8237
May 25 2013
Credit: Wilder Rodrìguez Arteaga (Peru) SELECCIÓN: Es la actividad que permite clasificar grupos de peces formando “Lotes” desde los más grandes hasta los más pequeños. Las selecciones dependen de los resultados de las biometrías. ALIMENTACIÓN: Consta de 6 raciones al día de alimento balanceado, que a comparación de las zonas altas solo son 2 – 3 veces. Los FCA se …
Permanent link to this article: https://fishconsult.org/?p=7968
Nov 15 2012
Credit: Emrith Vinesh (Mauritius) La Ferme Marine de Mahebourg (FMM) is a complex of cage farming and processing fish located in the lagoon of Vieux Grand Port in Mauritius. The cages are extended on 1200 m2 in the lagoon. The tropical climate and the winds and currents of the sea are key factors in for this …
Permanent link to this article: https://fishconsult.org/?p=7301
Nov 13 2012
Credit: Proyrat Chaowajaroenpong and Ong-art Kumprasert (Thailand) The culture of blue swimming crab, Portunus pelagicus is carried out in earthen ponds. Appropriate water salinity for the blue swimming crab culture ranges from 20-30 g/l. Crabs are fed trash fish which is usually offered twice/day throughout the growing season that extends to about 6 months. In the …
Permanent link to this article: https://fishconsult.org/?p=7225
Nov 01 2012
Credit: Han Huong (Vietnam) This photo shows an intensive cage farming of catfish in the Mekong Delta in Vietnam. The fish production in this system may reach up to 100 kg/m3. In such intensive system, artificial feed is the only source used in fish nutrition which represents very high share in the production costs. Vietnam Association …
Permanent link to this article: https://fishconsult.org/?p=6870
Sep 18 2012
Credit: Rayner Pitt (United Kingdom) This file addresses the spawning and nursing of sand fish (Holothuria scabra). Technical components begin with the acquision of sea cucumber broodstock and spawning as well as the facilities required. The management of spawning and nursing operations are covered especially in regard to water management and feeding throughout all phases …
Permanent link to this article: https://fishconsult.org/?p=5844
Sep 11 2012
Credit: Juan Suarez Sanchez (Mexico) This photo shows the cultivation of the Rainbow Trout (Oncorhynchus mykiss) in 300 m3 floating cages, in the dam of Apizaquito, Tlaxcala, Mexico. The cages are stocked at the rate of 16.7 organism m3, with trout fingerlings of 5 grams and 3 centimeters of starting average weight and length, respectively. Commercial …
Permanent link to this article: https://fishconsult.org/?p=5637
Sep 08 2012
Credit for the video: El Sadig Hagar (Sudan) Description: Abdel Rahman El Gamal The video was taken in a marine hatchery, Alexandria, Egypt. The video shows feeding the broodstock of European seabass, Dicentrachus labrax with fish of low economic value such as by catch. …
Permanent link to this article: https://fishconsult.org/?p=5555
Sep 04 2012
Credit: Wanna Thawinwan (Thailand) The three photos address the shrimp feeding in a typical fish farm in Thailand whereas technical and economic issues are considered. Commercially formulated pelleted feed is used throughout the growing season. The pellet size and so its protein contents vary according to shrimp size as shown in the following Table. Average …
Permanent link to this article: https://fishconsult.org/?p=5499
Aug 12 2012
Credit of the video: Emmanuel Hahirwabasenga and Rwigiriza Augustin Kanimba (Rwanda) – Description: Abdel Rahman El Gamal This video shows the feeding of tilapia fingerlings in earthen ponds at the research facility of Kigembe, Rwanda. As shown in the video, the feed looks like a ration-type feed and is spread in a feeding ring which …
Permanent link to this article: https://fishconsult.org/?p=5170
