Describe an expert in the Fish Consulting Group
Apr 07 2012
Credit for the clip: Samuel Simon Zigizo (South Sudan) – Description: Abdel Rahman El Gamal This video shows the stripping of a female of African catfish, Clarias gariepinus. This practice takes place in artificial reproduction of the species and should be followed by artificial fertilization using testes taken from a sacrificed male. We are able to see …
Permanent link to this article: https://fishconsult.org/?p=3272
Mar 26 2012
Credit: George Triantaphyllidis, LAMANS (Greece) This paper started with the background of marine aquaculture development in Greece starting in the early 1980s whereas the first hatcheries supplied the first fingerlings for on-growing in cage farms. In this part, the linkage between the EU strategy and the development of mariculture in Greece has been highlighted. Also, the …
Permanent link to this article: https://fishconsult.org/?p=3231
Mar 17 2012
Credit for the video: Emmanuel Ohene Marfo (Ghana) Description: Abdel Rahman El Gamal Such as the case with silurid fishes, it is almost impossible to hand strip the sperm from the male of African catfish, Clarias gariepinus. Therefore and as seen in this video, testes of a sacrificed male are used for the artificial fertilization of catfish eggs. Testes …
Permanent link to this article: https://fishconsult.org/?p=3023
Feb 27 2012
The two photos cover the overall integrated aquaculture-horticulture project. In this specific project, horticulture is represented by banana while Nile tilapia (Oreochromis niloticus) represents the aquaculture component. Because of water scarcity in Egypt, the surface irrigation of banana farming is not encouraged due to its high water consumption. In order to compromise between the restrictions …
Permanent link to this article: https://fishconsult.org/?p=2644
Feb 24 2012
This 4-slide information bite starts with an intoductory slide on the rigor mortis in animal in general including its causes and feautures. The remaining part of the bite focuses more on the rigor mortis in fish having in consideration the specific nature of fish as well as fishing and aquaculture practices. Emphasis has been placed on …
Permanent link to this article: https://fishconsult.org/?p=2620
Feb 21 2012
Credit of the photos: Photos used in this information bite have been taken from a pool of photos which was given to me by friends who participated in Warm water fish production during 2009 and 2010. Identified names are: shared with me from El-Sadig Arbab Hagar (Sudan) and Lylian Wilfred Mguhi Lugobola (Tanzania). Thanks to …
Permanent link to this article: https://fishconsult.org/?p=2598
Feb 07 2012
Credit: Douglas Tave and Alison Hutson (USA): Alternate artificial spawning protocol of Rio Grande silvery minnow to minimize genetic. and to maximize the retention of rare alleles. This paper addresses the following topics: Captive Propagation and Genetics, Inbreeding, Effective breeding number, Genetic drift, Allele frequency and Artificial Propagation of Rio Grande Silvery Minnow. [important]Alternate artificial …
Permanent link to this article: https://fishconsult.org/?p=2411
Feb 05 2012
This 2-slide information bite addresses the ovulation of fish female in regard to timing and indicators. Focus has been placed on the importance of collecting the spawn short time after ovulation before eggs turn overripe which means losing the chance for fertilization. The period from ovulation and eggs turn overripe vary according to some factors …
Permanent link to this article: https://fishconsult.org/?p=2367
Feb 04 2012
This single-slide information bite addresses facts related to fish sperm and its longivity. Enhancing the longivity as well as the fertilization of fish eggs is the focus of this bite. The composition and use of Ringer solution is covered in this breif. Also, the referigation of sperm solution. [important]Enhancing fish hatchery practices – Extending solutions[/important]
Permanent link to this article: https://fishconsult.org/?p=2355
Feb 04 2012
This 3-slide information bite addresses the role of pituitary gland in the spawning induction. This topic addresses factors influence the effectivness of pituitary gland and the concentration of gonadotropic hormones. The collection and storage of pituitary glands have been addressed in the information bite. [important]Fish spawning induction – pituitary gland[/important]
Permanent link to this article: https://fishconsult.org/?p=2343
