Nov 05 2011
In this model, Nile tilapia (Oreochromis niloticus) has been farmed in concrete tanks in agriculture farms where agricultural crops such as alfa alfa, tomatoes, potatoes, onions, etc., are cultivated. Such integrated farms are located in several locations including Al-Wafra, the location the attach picture shows. In order to facilitate draining, tanks are constructed abovr ground level. Water used in these …
Permanent link to this article: https://fishconsult.org/?p=1094
Nov 04 2011
This photos hows a type of egg incubators used in the commercial hatcheries of Nile tilapia, Oreochromis niloticus. Because of the high cost of imported incubators, these incubators are locally made in Egypt especially in the light of high demand. Note: We decided not to watermark the photos in order not to upset its clarity. …
Permanent link to this article: https://fishconsult.org/?p=1078
Nov 04 2011
These type of incubators for tilapia eggs are in use in medium size and commercial hatcheries (Egypt) 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 will be appreciated.
Permanent link to this article: https://fishconsult.org/?p=1072
Nov 03 2011
The photo shows a classic view of the spawning nests in earthen ponds for mouth brooder tilapia such as Nile tilapia, Oreochromis niloticus. The nest is built by the male while female joins where the spawning takes place before females incubates the fertilized eggs. If harvesting of tilapia fry is performed in these ponds, it …
Permanent link to this article: https://fishconsult.org/?p=918
Nov 03 2011
The photo shows freshly hatched yolk sac fry of Nile tilapia, Oreochromis niloticus. Yolks provide the main nutrition to this early larval stage. The rate and duration of yolk consumption will be determined based on water temperature. Afterwards, yolk-sac fry will turn to swim-up fry. Note: We decided not to watermark the photos in order not to …
Permanent link to this article: https://fishconsult.org/?p=1029
Nov 03 2011
Blue tilapia (Oreochromis auraeus) is a mouth brooder tilapia. Watch the blue nose and incomplete bands on the tail. This species is more tolerant to low water temperature than Nile tilapia (Oreochromis niloticus). Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if …
Permanent link to this article: https://fishconsult.org/?p=1024
Nov 03 2011
Eyed stage is an advanced stage of embryonic development. Hatching will largely depend on water temperature. Note that because tilapia eggs are opaque, a special arrangement will be required to enable seeing through eggs. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us …
Permanent link to this article: https://fishconsult.org/?p=1012
Nov 03 2011
The photo shows a female of Nile tilapia, Oreochromis niloticus based on her papilla. For smaller sizes and/or with personnel who are not familiar with tilapia, a dye named as crystal violet may be used to show clearly the papilla. Note: We decided not to watermark the photos in order not to upset its clarity. …
Permanent link to this article: https://fishconsult.org/?p=998
Nov 03 2011
The photo shows mature tilapia females and males prior to the spawning season. Watch the genital papillas of tilapia male (right) and female (left). 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. …
Permanent link to this article: https://fishconsult.org/?p=991
Nov 03 2011
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
