This piece of information shows the practice of the sequentuial fertilization of fish egg is carried out by several males. The rationality of such practice as well as concerns have been highlighted. The drawback of such practice could be summarized in the overdominance of particular sperm over others which leads to lowering the effective breeding number …
Category: Information Bites
This category addresses specific points which are mostly covered in 1-3 power point slides/bite. These bites are helpful whenever specific information is targeted.
Permanent link to this article: https://fishconsult.org/?p=2275
Jan 15 2012
Fish egg fertilization (illustrated)
This single slide shows the mechanism of egg fertilization in fish and some factors that could retard or enhance fertilization. This summary shows that blood clotting that could result of improper handling of female fish during eggs can close the very tiny opening that each egg has and known by micropyle preventing any entry of …
Permanent link to this article: https://fishconsult.org/?p=2268
Dec 17 2011
Ploidy induction in fish
This information bytes address the induction of triplody and tetraploidy fish including reasons, procedures and ploidy identification. [important]Ploidy induction in fish[/important]
Permanent link to this article: https://fishconsult.org/?p=2065
Dec 17 2011
Application of compensatory growth in fish
The role of fish hatchery is to produce healthy and high quality fry or fingerlings in sufficient numbers according to the operation plan of the hatchery. Therefore and in reference to the “compensatory growth” phenomenon in fish, hatcheries are not supposed to produce large-size fingerlinger on the cost of their number (unless economically justified). In …
Permanent link to this article: https://fishconsult.org/?p=2059