Tag Archive: pituitary gland

Oct 11 2017

Fish hatchery management (2017 – updated)

This lecture on fish hatchery started with general information related to the modes of reproduction in various groups of aquatic organisms as illustrated by pictures and tables highlighting the significant differences of reproduction among various fish groups ranging from scattering eggs to giving birth passing by fecundity, parental care and other reproduction parameters. The focus …

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Permanent link to this article: http://fishconsult.org/?p=14168

Sep 14 2015

Fish Hatchery Management (2015 version)

This lecture was delivered in the Fish Culture Development training course which started on August 2015. This course is annually organized –since 2004- by the Egyptian International Centre for Agriculture “EICA” and supported by Japan International Cooperation Agency “JICA”. The course hosts 15 African trainees from nine African countries. This lecture will be delivered also …

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Permanent link to this article: http://fishconsult.org/?p=12913

May 08 2014

Fish hatchery management (April 2014 version)

This lecture was delivered in the Fish Culture Development training course which started on April 2014. This course is organized by the Egyptian International Centre for Agriculture “EICA” and supported by Japan International Cooperation Agency “JICA”. The course hosts 16 African trainees from 11 African countries. The lecture focused more on the management issues related …

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Permanent link to this article: http://fishconsult.org/?p=10836

Oct 19 2013

Artificial reproduction of African catfish (from hormonal injection till hatching) – Video

Source: www.fishconsult.org Review: Abdel Rahman El Gamal (Founder of the website and video channel) This 8-min video addresses the sequence of the artificial reproduction of African catfish (Clarias gareipinus). The process starts with the hormonal induction of catfish brood fish using the extract of catfish pituitary gland. Afterwards, a female catfish is stripped upon ovulation …

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Permanent link to this article: http://fishconsult.org/?p=9603

Aug 29 2013

Extraction of the pituitary gland of African catfish (a training tool) – Video

Video credit: Amal Magga (South Sudan)                          Description: Abdel Rahman El Gamal This video has been taken during the Warm water fish production training course. The video shows in details how the pituitary gland was successfully allocated and extracted. You will notice how the …

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Permanent link to this article: http://fishconsult.org/?p=8998

Dec 26 2011

Artificial spawnining of African catfish, Clarias gariepinus (hormonal injection) – Video)

The video shows the injection of an African catfish (Clarias gariepinus) female. You may notice the small-medium size of female broodstock, the place of injection (dorsal part) and covering fish eyes as a means of calming. Anesthesia may be required especially in larger broodstock. Note: the credit of these video clips goes to colleagues who …

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Permanent link to this article: http://fishconsult.org/?p=2154

Nov 27 2011

Fish hatchery management

This presentation addresses the management of fish hatcheries starting with some information on fish reproduction in general. Before addressing artificial reproduction, natural collection of wild fry or post larvae have been covered. The presentation includes sexual maturation and broodstock management including maintenance and replacement. Examples and hatchery technologies and so requirements have been included. Various …

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Permanent link to this article: http://fishconsult.org/?p=1620