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Nov 03 2011
This is a model of a small-scale tilapia hatchery which could exist in fish farming communities of small to medium size. This type hatchery targets to fulfill given farms requirements of the fry of Nile tilapia, Oreochromis niloticus with a possibility to sell extras to others. An estimated production capacity of such model hatchery can …
Permanent link to this article: https://fishconsult.org/?p=967
Nov 03 2011
This photo shows a commercial tilapia hatchery in Aswan. This hatchery belongs to Lake Nasser Development Authority. Untill the present, the fingerlings of Nile tilapia, (Oreochromis niloticus) produced in the hatchery are used for a stock enhancement program for Lake Nasser. The picture shows the outdoor facilities of the hatchery which has also indoor facilities. Note: …
Permanent link to this article: https://fishconsult.org/?p=960
Nov 03 2011
The photo shows a female of Nile tilapia (Oreochromis niloticus) incubates an advanced stage of embryonic development as shown in the dark-colored eggs. The period till hatching will be affected by water temperature. 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=954
Nov 03 2011
The photo shows a female of Nile tilapia, Oreochromis niloticus while incubating freshly fertilized eggs. The color of incubated eggs indicates the early age of embryos which could be hours or 1-2 days depending on water temperature. The pigmentation of embryos will follow this stage. Sometimes freshly fertilized eggs are called green eggs. Note: We …
Permanent link to this article: https://fishconsult.org/?p=947
Nov 03 2011
The photo shows the pigmented stage of the eggs of Nile tilapia, Oreochromis niloticus. Because tilapia eggs are opaque and have tough chorions, special preparations will be required in order to examine tilapia eggs microscopically. The eyed stage will follow the pigmented phase shown in this photo. Note: We decided not to watermark the photos …
Permanent link to this article: https://fishconsult.org/?p=941
Nov 03 2011
Sexually mature female of Nile tilapia (Oreochromis niloticus) – watch for the projection and reddishness of the genital papilla (front view). 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=930
Nov 03 2011
Full siblings of red and naturally colored tilapia resulting from mating of Nile tilapia with mutant red tilapia (this hybrid will not breed true). 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=923
Nov 03 2011
Nile tilapia (Oreochromis niloticus)- Watch the tail bands. 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. [important][/important]
Permanent link to this article: https://fishconsult.org/?p=910
Nov 02 2011
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
The photo shows an open-system for tilapia hatchery in Egypt. This type of hatcheries is based on hapas placed in earthen ponds. The advantage of such system is mainly economical as well as the ability to nurse fry in nursing hapas in this open system. However, because the spawning in this system takes place during …
Permanent link to this article: https://fishconsult.org/?p=896
