Credit: Proyrat Chaowajaroenpong and Ong-art Kumprasert (Thailand) Species of phytoplankton are Chlorella sp., Skeletonema sp., Chaetoceros sp. and Tetraselmis sp. Algal culture is carried out in 25-ton tanks which are far from rotifer culture area in order to protect rotifer from contamination. Culture condition: salinity 25 ppt, temperature 22 – 28 oC, aeration all day. Period …
Category: Aquaculture
This collection of photos includes various farmed species of fin-fish, shell fish, seaweed and others as well as the farming practices carried out in many countries in the world
Permanent link to this article: https://fishconsult.org/?p=1314
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 11 2011
Intensive cage culture of tilapia in Maeklong River and use of paddlewheel aerators (Thailand)
Credit: Proyrat Chaowajaroenpong and Ong-art Kumprasert Intensive cage farming of tilapia in Maeklong River, Kanchnaburi province (Thailand). Paddle wheel aerators are in use in this intensive system to maintain high levels of dissolved oxygen. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify …
Permanent link to this article: https://fishconsult.org/?p=1299
Nov 07 2011
Fish ponds enjoy gravity water
Topographic survey will be required to determine whether or not a given fish farm can enjoy gravity water. 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=1282
Nov 07 2011
Use of traditional water wheels in lifting water to fish farms in Egypt
Water wheels which were traditionally in use in agriculture are used in the present to lift water required to some fish farms in Egypt and some other countries. Based on water wheels users, it is claimed that water wheels are efficient in lifting water and also more durable with less incidences of breakdowns and operation maintenance. …
Permanent link to this article: https://fishconsult.org/?p=1276
Nov 07 2011
Axial flow pumps in fish farms (Egypt)
In many situations, axial flow pumps in fish farms have been found more suited for low heads and higher discharges which would ultimately enhance farm economics. 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=1230
Nov 07 2011
Bottom draining of fish pond water (Egypt)
The most effective way of exchanging water is to first drain the desired amount of the water from the pond bottom. This effectively removes the poorest quality water and detritus which accumulates at the bottom of the pond. Note: We decided not to watermark the photos in order not to upset its clarity. However, we …
Permanent link to this article: https://fishconsult.org/?p=1226
Nov 07 2011
Gravity draining of fish pond water
If a fish farmer has to choose whether filling or draining a fish pond by gravity, the choice usually is gravity draining. In general and wherever possible, the use of pumping systems in pond draining is not recommended keeping in mind that pond drainage often takes place while fish harvest and any failure in pumping system could lead to …
Permanent link to this article: https://fishconsult.org/?p=1220
Nov 07 2011
Integrated agriculture-aquaculture in rural development
This project proposal has been developed by a group of trainees who participated in the Integrated Rural Development training course in 2009. This course is annually hosted by the Egyptian International Centre for Agriculture (EICA). This project proposal in its rationality and objectives focuses more on social issues such as employment and nutrition in rural …
Permanent link to this article: https://fishconsult.org/?p=1202
Nov 06 2011
Ovulation of African catfish (Clarias gariepinus) female
The photo shows egg stripping which is a phase of the induced reproduction of African catfish (Clarias gariepinus). This female has been induced for spawning using the pituitary gland extract. The photo shows the egg stripping after the ovulation. Note how eggs are free flowing without clumps or blood. Eggs are obtained through stripping using soft …
Permanent link to this article: https://fishconsult.org/?p=1195