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 …
Tag: urogenital pore
Permanent link to this article: https://fishconsult.org/?p=12075
Nov 30 2011
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 …
Permanent link to this article: https://fishconsult.org/?p=1726