Category: Farmed species

This category hosts the key farmed species of fin-fish, shell fish, seaweed and others including those grown in various environments (e.g. warm water, cold water, freshwater, marine water)

Hormonal sex reversal of tilapia fry (practice and contradicting opinions) – Video

After a short introduction of tilapia in aquaculture, this 17-min video focuses on the production of all-male tilapia through the sex reversal practices using male hormone. The logic sequence of the sex reversal process has been maintained to large extent starting by the sexual differentiation in tilapia then determining the appropriate age and/size for successful …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12261

The day of abalone in Monterey, California)

                  Dear Friends,Yesterday (Wednesday, 22 January) was a long field visit which lasted 14 hours since I left Campbell where we stay to Monterey where the abalone projects exist and back to Campbell. The rich information gained through the visit would justify the lengthy hours spent. When …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12249

Production of all-male tilapia through hybridization – Video

Author: Abdel Rahman El Gamal (Founder of the website and video channel) This 8-min presentation addresses one specific topic which is the use of hybridization in the production of all-male tilapia fingerlings. The presentation highlighted to role of tilapia in global aquaculture as well as the necessity of producing all-male tilapia. Hybridization among tilapia species …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12238

Tourism and aquaculture in Phewa Lake (Nepal)

Credit: Bishnu khanal (Nepal) The photo shows some boats in Phewa Lake or Fewa Lake. This freshwater lake is the second largest lake in Nepal. The lake is located in the south of the Pokhara Valley. The lake is famous for the reflection of mount Machhapuchhre and other mountain peaks of the Annapurna and Dhaulagiri ranges on its surface. Also, the …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12183

A model of vertical aquaponics in Colombia

Credit for photos: Edwin Gomez (Colombia) Review: Edwin Gomez and Abdel Rahman El Gamal (Founder of the website)   It has been claimed that by growing vertically (shown in the photos), one can produce about twice the amount of plants compared to a hydroponic system of the same area. As in typical aquaponic projects, the …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12165

Field day and promoting tilapia culture in Pakistan

Credit: Muhammad Shahid Iqbal (Tawakkal)- Pakistan This is an annual event which is carried out at an aquaculture facility located in Muzaffar, Pakistan. This particular event took place on the 6th of November 2013.  About 100 fish farmers from southern Punjab attended this event. The field day targeted to promote aquaculture and in particular tilapia culture …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12123

Preserving shrimp in Senegal through salting and sun-drying

Credit: Makhtar Ndiaye (Senegal) The inserted photo shows a woman during the sun-drying of shrimp as a means of preservation and marketing. This practice occurs in the Casamance region of southern Senegal. The sun-drying of shrimp is done after being boiled and salted. After drying, the product will be packaged and ready for sale.   …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12083

Production of all-male Nile tilapia fry in a commercial facility in Pakistan

Credit: Muhammad Shahid Iqbal (Tawakkal)- Pakistan The masculinization of the fry of Nile tilapia (Oreochromis niloticus) –as shown in the photo- is done in 5m2-hapas placed in earthen ponds. In order to judge the age of fry, only fry hatched from collected eggs are used in the sex-reversal process in which the male hormone 17 …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12078

Use “kakabans” in pond spawning of common carp in Nepal

Photo credit: Bishnu khanal (Nepal) Review: Bishnu khanal and Abdel Rahman El Gamal (Founder of the website) It is quite common fish farmers may adopt natural or semi-natural (or semi-artificial) spawning systems as long as found technically and economically feasible.  The inserted photo presents an example of the pond spawning of common carp (Cyprinus carpio) in …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12047

Promoting cage aquaculture in Lake Victoria (Uganda)

Credit: Stella Nabayunga Walugembe (Uganda) Early in 2012, a joint Uganda – China 3-year pilot project on cage farming in Lake Victoria has launched. The fish cage demonstration shown in the inserted picture is located in Lake Victoria, Jinja and is affiliated and managed by The National Fisheries Resources Research Institute (NaFIRRI). The management of …

Continue reading

Permanent link to this article: https://fishconsult.org/?p=12039

Load more