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: fry collection
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
Nov 02 2011
Checking the spawning of Nile tilapia, Oreochromis niloticus in hapa system in Egypt
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