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Category: Photos

Extraction of the pituitary gland of African catfish (Clarias gariepinus)

Pituitary gland extract is used in induced reproduction of African catfish (Clarias gariepinus). In order for the pituitary extract to be effective, donor fish should be sexually mature whether male or female. Also, the extraction of pituitary gland is preferred to be close to or within the spawning season. Note: We decided not to watermark …

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Permanent link to this article: http://fishconsult.org/?p=1171

Sex identification of African catfish (Clarias gariepinus) male

  This photo shows clearly the projection of the male genital papilla of African catfish (Clarias gariepinus)  

Permanent link to this article: http://fishconsult.org/?p=1161

Sex identification of African catfish (Clarias gariepinus) female

The photo shows how female African catfish (Clarias gariepinus) is identified based on the genital papilla (watch the reddish color of the papilla).  

Permanent link to this article: http://fishconsult.org/?p=1155

Reddish coloration of Nile tilapia males during the spawning season

During the spawning season of Nile tilapia (Oreochromis niloticus) develop reddish coloration as secondary sex characteristics. One of the attached photos shows clearly the male coloration during the spawning season while the second photo shows the color difference between male and female of Nile tilapia. Note: We decided not to watermark the photos in order not to upset …

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Permanent link to this article: http://fishconsult.org/?p=1143

Tilapia farming in water reservoirs of horticulture farms in Egypt

This integration approach has been adopted by some horticulture farms such as gouva and banana. Economic indications are promising. Fertile water when used in horticulture farm would reduced the demand for chemical fertilizers and hence improve the economics of the horticulture farm. In fact, if the right match between fish biomass and horticulture acreage, this …

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Permanent link to this article: http://fishconsult.org/?p=1130

Rotation of fish farming with selected agricultural crops

Rotation concept has been practiced based on the nature of aquaculture and agriculture in a given region. Attached pictures show the farming of winter agricultural crops (e.g. wheat – alfalfa) in fish ponds. In temperate climates such as in Egypt, and in situations where Nile tilapia leads aquaculture cropping, fish harvest usually takes place before …

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Permanent link to this article: http://fishconsult.org/?p=1122

Integrated duck-fish farming

The compatibility between ducks and fish in such integrated system is of top importance bearing in mind that while ducks are warm blooded animals, fish are cold blooded animals. Therefore proper management should be in place including stocking times and rates. For example, when such integrated system is applied in warm water aquaculture in temperate countries, …

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Permanent link to this article: http://fishconsult.org/?p=1101

Integrated rice-fish culture

A well-known model of integrated aquaculture-agriculture which has been practiced in countries whereas rice is a key crop. In Egypt, this integrated system is carried out with the support of the government whereas common carp (Cyprinus carpio) is delivered to contributing farms at no cost. The economic advantages of such integrated system include the increase of rice …

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Permanent link to this article: http://fishconsult.org/?p=1100

Integrated tilapia farming and agriculture in Wafra (Kuwait)

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 …

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Permanent link to this article: http://fishconsult.org/?p=1094

A type of eggs incubators used in the commercial hatcheries of Nile tilapia, Oreochromis niloticus in Egypt

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. …

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Permanent link to this article: http://fishconsult.org/?p=1078

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