Tag: sphincter muscle

Egg sampling (catheterization) of Asian seabass in Vietnam- Video

    Video credit: Ahmed Shaheen (Egypt) Review: Abdel Rahman El Gamal (Founder of the website and video channel) This video was filmed in a marine hatchery in Vietnam The video shows egg catheterization in Asian seabass (Lates calcarifer). Note that sampled fish has been slightly anesthetized in the shown ice box using ice.  Determining the …

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Permanent link to this article: https://fishconsult.org/?p=12075

Live fish handling (Updated 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 on issues related to the handling …

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Permanent link to this article: https://fishconsult.org/?p=10872

Sampling of fish eggs through catheterization (biopsy)

Review: Abdel Rahman El Gamal (Founder of the website and video channel) Determining the size (diameter) of eggs from female’s ovary by catheterization (biopsy) is being used as a criteria to determine the sexual maturation of females.  Catheters could be rigid (made of glass or hard plastic) or flexible (made of polyethylene or vinyl). The …

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Permanent link to this article: https://fishconsult.org/?p=1726