Sexual maturation, embryonic development, hatchery technologies, all-male production, over-wintering, farming systems whether in monoculture, polyculture or integration. The farming facilities are covered including earthen ponds and cages. Because Nile tilapia (Oreochromis niloticus) is widely cultured worldwide, large number of posts addressed this species. However, other tilapia species are also addressed. The reproduction and seed production of tilapia are covered including sexual maturation, embryonic development, hatchery technologies, all-male production of tilapia fry are all covered. This category includes also some posts on the post-harvest practices.
Sep 07 2014
Credit: Patrick Appenteng (Ghana) Aquaculture presents a promising sector in Ghana as more and more people develop interest in fish farming. However, the inadequate supply of fingerlings as the demand increases and the supply by the few hatcheries setups decrease, together with the relatively high prices of fingerlings as a result of high feed prices had …
Permanent link to this article: https://fishconsult.org/?p=11652
Aug 30 2014
Photo credit:Kevin Fitzsimmons (USA) Review: Abdel Rahman El Gamal (Founder of the website) The photo shows a part of a tilapia hatchery facility located in Hainan Province, China. Based on various information sources, the production capacity of the said hatchery is about 400 million of sex reversed tilapia fingerlings per year. This contribution to the …
Permanent link to this article: https://fishconsult.org/?p=11621
Aug 28 2014
Video credit: Fadhili Ruzika (Tanzania) Review: Abdel Rahman El Gamal (Founder of the website and video channel) This video was filmed during July 2014 in a private tilapia hatchery in Kafr El Sheikh, Egypt. The fingerlings shown in this video are for all-male Nile tilapia, Oreochromis niloticus. What could be drawn from the video …
Permanent link to this article: https://fishconsult.org/?p=11594
Aug 18 2014
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 …
Permanent link to this article: https://fishconsult.org/?p=11542
Aug 17 2014
Credit: Ahmed Hegazy (Egypt) هذه الصور المأخوذة فى أحد المفرخات التجارية بالفلبين توضح تدريج زريعة البلطى بعد انتهاء المعاملة الهورمونية لإنتاج زريعة من الذكور وذلك باستخدام الهورمون الذكرى وذلك فى معاملة تستمر 21 يوم فى هابات. يستهدف التدريج والذى يعتبر من العمليات الهامة فى مفرخات البلطى فى الفلبين الحد من تفاوت أحجام الزريعة إبان تخزينها …
Permanent link to this article: https://fishconsult.org/?p=11533
Aug 14 2014
Credit: Kevin Fitzsimmons (USA) Review: Abdel Rahman El Gamal (Founder of the website) The photos show the tunnel freezing of tilapia fillets or as a whole that is carried out in a processing establishment in China. Tilapia is an emerging species in China’s processing industry whereas tilapia fillet is the major output from tilapia processing. …
Permanent link to this article: https://fishconsult.org/?p=11520
Aug 12 2014
Photo credit: Kevin Fitzsimmons (USA) Review: Abdel Rahman El Gamal (Founder of the website) The “YY super tilapia male technology is considered an effective breeding protocol towards the production of all-male progeny for farming which has a special importance in tilapia farming. The YY technology is a form of a breeding program which combines feminization …
Permanent link to this article: https://fishconsult.org/?p=11516
Aug 12 2014
Credit: Kevin Fitzsimmons (USA) The photo shows an earthen shrimp pond in which tilapia cages are installed. The aerators in the pond indicate the intensification level of pond management. This experimental operation is carried out at Asian Institute of Technology (AIT), Thailand. The key outcomes of this operation show > 90% as survival rates. The …
Permanent link to this article: https://fishconsult.org/?p=11508
Aug 08 2014
Credit: Kevin Fitzsimmons (USA) It should be noted that the series of raceways shown in this photo were original designed for catfish studies but later and for economic reasons, the operations were stocked with tilapia. The following descriptions were developed by the author and found in the reference below. The first facility is located near …
Permanent link to this article: https://fishconsult.org/?p=11485
Aug 07 2014
Photo credit: Kevin Fitzsimmons (USA) The photos have been taken in the aquaculture component of this multi-discipline farm which is located in the State of Rio de Janeiro, County of Paraíba do Sul, District of Werneck. The farm consists of 100 floating cages located in running water dams controlled by biological filters and aerators for …
Permanent link to this article: https://fishconsult.org/?p=11479
