The video shows the injection of an African catfish (Clarias gariepinus) female. You may notice the small-medium size of female broodstock, the place of injection (dorsal part) and covering fish eyes as a means of calming. Anesthesia may be required especially in larger broodstock. Note: the credit of these video clips goes to colleagues who …
Tag: hatchery
Permanent link to this article: https://fishconsult.org/?p=2154
Nov 28 2011
Breeding of cold water indigenous fish species in Nepal
Credit: Deepak Bhusal (Nepal). The photo shows a fish hatchery situated in Mirmi, Syangja of Nepal. This hatchery was established after the construction of Kali Gandaki Hygroelectric Project A’. A major purpose of this hatchery is to breed the indigenous fish inhabiting in and release to the reservoirs and its feeding river. Fish species like Tor putitora, …
Permanent link to this article: https://fishconsult.org/?p=1703
Nov 17 2011
Gravel filter in earthen fish pond (Egypt)
Mechanisms used in filtering water will depend on potential usage of water. This photo shows a type of gravel filters whereas filtered water is used in tilapia hatchery as well as for landscaping. This filter is located in 1000-m2 earthen pond. The filter is established above concrete base. The outer dimension of the filter is …
Permanent link to this article: https://fishconsult.org/?p=1501
Nov 11 2011
Small-scale fish hatchery in Anuradapura (SriLanka)
Credit: D. S. K. Pitigala and Ananda sugathapala (SriLanka) The photo shows a private small-scale fish hatchery which was established in 2006 and located at Eppawala in Anuradapura. The hatchery-produced fingerlings are those for tilapia, Chinese carps and Indian carps. Production capacity of this hatchery is about 0.8 – 1 million of fingerlings/year. The hatchery is …
Permanent link to this article: https://fishconsult.org/?p=1360
Nov 11 2011
Spotted Babylon (Babylonia areolata) hatchery at Trat Coastal Fisheries Research and Development Center (Thailand)
Credit: Proyrat Chaowajaroenpong and Ong-art Kumprasert (Thailand): This Spotted Babylon hatchery uses closed water system which is divided into rearing pond, sediment pond, biological filter, sea weed pond (to reduce water nitrate using the sea weed, Ulva sp.), and finally protein skimmer to reduce protein residual in the water before pumping it back to the …
Permanent link to this article: https://fishconsult.org/?p=1308
Nov 03 2011
Locally-made incubators for the embryos of Nile tilapia, Oreochromis niloticus in Egypt
The photo shows locally made incubators used in various types of tilapia hatcheries (Egypt). The production of such hatchery is in several million of tilapia fry. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture …
Permanent link to this article: https://fishconsult.org/?p=985
Nov 03 2011
Commercial tilapia hatchery during off-season (Egypt)
This photo shows a commercial hatchery of Nile tilapia (Oreochromis niloticus) in Egypt during off-season. Egg incubators and fry nursing facilities are shown. Depending on the demand for tilapia fingerlings, the spawning season usually ends on September whereas hatcheries carry out necessary maintenance and overwinter broodstock and left-over fingerlings. Note: We decided not to watermark …
Permanent link to this article: https://fishconsult.org/?p=973
Nov 02 2011
Checking the spawning of Nile tilapia, Oreochromis niloticus in hapa system in Egypt
Checking tilapia spawning in open system using hapas. The intervals between checkings depend on water temperature and target product whether fry andor eggs. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. This …
Permanent link to this article: https://fishconsult.org/?p=904
Nov 02 2011
Greenhouse-type tilapia hatcheries
Greenhouses when used as tilapia hatcheries in temperate countries such as Egypt would enable early spawning and help extend the spawning season. Durability of plastic sheets determines the frequency of its replacement and so the cost involved. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust …
Permanent link to this article: https://fishconsult.org/?p=888
Oct 18 2011
Development of African catfish (Clarias gariepinus) hatchery in the Nyanza province, Kenya
This project has been developed by a team of trainees who participated during 2007 in the Warm Water Fish Production training course. This course is annually hosted by the Egyptian International Centre for Agriculture (EICA) in partnership with Japan International Cooperation Agency (JICA). The project addresses the establishment of a hatchery for African catfish (Clarias gariepinus) in the …
Permanent link to this article: https://fishconsult.org/?p=567