Credit: Ahmed Zaki (Egypt) هذة الصورتم أخذها فى أحد مفرخات البلطى فى الفلبين وحيث يتم فى هذا المفرخ تخزين أمهات البلطى النيلى بمعدل 3 إنات لكل ذكر. يتم تجميع الزريعة السابحة من على أجناب الحوض وذلك لنقلها إلى المعاملة بالهورمون الذكرى 17α-Methyltestosterone بهدف إنتاج زريعة بلطى نيلى جميعها ذكور. يصل معدل تجميع الزريعة فى هذا …
Tag: Oreochromis niloticus
Permanent link to this article: https://fishconsult.org/?p=10951
Jun 09 2014
Spawning and sex reversal of Nile tilapia fry in a Pilipino hatchery
Credit: Ahmed Zaki (Egypt) The photos were taken in a tilapia hatchery in the Philippine. In this hatchery the broodstock of Nile tilapia, Oreochromis niloticus at the ratio of 3 females: 1 male. The swim-up tilapia fry are collected along the pond sides using a long-handled, narrow-mesh deep nets. The collected fry are transferred into …
Permanent link to this article: https://fishconsult.org/?p=10947
May 16 2014
Un enclos piscicole au Bénin
Credit: Ignace Gohoun and Corneille Wantofio (Benin) Un enclos piscicole est une pièce d’eau délimitée par des piquets en bois ou tout autre matériaux entouré d’un filet de à petite maille. La partie inférieure du filet est enfoncée dans le sol pour empêcher les poissons de fuir par le bas. La partie supérieure dépasse largement le niveau …
Permanent link to this article: https://fishconsult.org/?p=10880
May 08 2014
Desert aquaculture in Fouja village, North Kordofan (Sudan) – Pond management
Credit: Mamoun Obeida (Sudan) The photos show series of the management practices applied to the fish pond in the desert area in Fouja village, Bara Locality- North Kordofan State. As shown in the photos, the pond has been filled with underground water before the stocking of Nile tilapia fingerlings. Throughout the growing season, fish are …
Permanent link to this article: https://fishconsult.org/?p=10844
May 08 2014
Desert aquaculture in Fouja village, North Kordofan (Sudan) – Pond establishment
Credit: Mamoun Obeida (Sudan) The photos show the establishment of a fish pond in Fouja village, Bara Locality- North Kordofan State. This project represents a part of the Environmental Change Programme and is carried out by Fisheries Department (North Kordofan State). The underground water is the only source of water for this pond which is …
Permanent link to this article: https://fishconsult.org/?p=10838
May 07 2014
Fry production of Nile tilapia, Oreochromis niloticus in the Asuogyaman District of Ghana
Credit: Patrick Appenteng (Ghana) The two photos show hatchery and nursery facilities for the production of tilapia fry. The facility is owned by a farmer in the Asuogyaman District of Ghana. One photo shows the egg incubation unit of farm (03) found in the Asuogyaman District of Ghana. Eggs of Nile tilapia, Oreochromis niloticus that …
Permanent link to this article: https://fishconsult.org/?p=10820
May 06 2014
Culture of Nile tilapia, Oreochromis niloticus in circular cages in Lake Volta (Ghana)
Credit: Patrick Appenteng (Ghana) The photo shows circular cages on the Volta Lake located in the Asuogyaman District of Ghana for the culturing of Nile tilapia, Oreochromis niloticus. Total number is five (5). Three (3) have a dimension of 40m circumference ×7m depth whilst the other two (2) also have a dimension of 60m circumference x7m …
Permanent link to this article: https://fishconsult.org/?p=10812
May 05 2014
Cage culture of Nile tilapia in Lake Volta, Ghana
Credit: Patrick Appenteng (Ghana) The first photo shows the culture of Nile tilapia, Oreochromis niloticus in floating cages placed in Lake Volta in the Asuogyaman District of Ghana. Typical cages in Lake Volta are square of 5 m x 5 m with a depth of 5 m. The photo shows water lily which relatively causes a …
Permanent link to this article: https://fishconsult.org/?p=10800
May 04 2014
A greenhouse-type tilapia hatchery in Tanzania
Credit: Fadhili Ruzika (Tanzania) The photo shows a greenhouse-type hatchery for Nile tilapia, Oreochromis niloticus. The hatchery has been constructed at the Ruhila Aquaculture Development Center. It may be of interest to know, this type of tilapia hatchery has been designed by a colleague who attended an earlier EICA training course in 2010. The hatchery …
Permanent link to this article: https://fishconsult.org/?p=10795
May 01 2014
Culture of Nile tilapia in integration with poultry in Kisarawe, Tanzania
Credit: Fadhili Ruzika (Tanzania) The two photos show fish ponds which are privately owned and located in Kisarawe district coastal Region, Tanzania. There are eight ponds of 20 x 25 meters each. Ponds are stocked with Nile tilapia, Oreochromis niloticus. The buildings shown in the photos is are chicken houses in which chicken are grown …
Permanent link to this article: https://fishconsult.org/?p=10771