Category: A.A. EL GAMAL
Items under ownership of Abdel Rahman El Gamal, PhD
Permanent link to this article: https://fishconsult.org/?p=4105
Jul 03 2012
Lionfish, Pterois sp. (Characteristics, distribution and habitats, feeding habits and predation style, venom) – Video
This video was taken at Aquarium de la Mer, Sea World, California (USA) in June, 2012 Review: Abdel Rahman El Gamal (Founder of the website and video channel) Characteristics: Lionfish have distinctive brown or maroon color, and white stripes or bands covering the head and body. Their colorful exterior helps them to blend in well …
Permanent link to this article: https://fishconsult.org/?p=4082
Jun 27 2012
Green sea turtle, Chelonia mydas (Life span & reproduction, respiration, salinity management, and survival threats)
Review: Abdel Rahman El Gamal (Founder of the website and video channel) Life span and reproduction: green sea turtles seem to grow very slowly and usually reach sexual maturity at the age of 10 – 50 years with an average of about 25 years. Although green sea turtles live most of their lives in the …
Permanent link to this article: https://fishconsult.org/?p=3923
Jun 05 2012
Fish aging – general and scale reading
This 2-slide information bite addresses fish aging topic covering its importance and applications in fishery management as well as aquaculture. The main fish aging methods are listed including the reading of scales, opercula, otolith or vertebrae. The focus has been placed on scale reading being the simplest method in fish aging as well as the conditions that …
Permanent link to this article: https://fishconsult.org/?p=3738
May 19 2012
Integrated rabbit-fish in rural development programs
This information bite addresses the integration between rabbits and aquaculture. Number of rabbits for a specific acreage of a fish pond is recommended based on field observations. The advantages of rabbits in this integrated system have been covered especially in regard to its biological characters, its husbandry and the premium meat quality. The bite recommends …
Permanent link to this article: https://fishconsult.org/?p=3568
May 18 2012
Warm Water Fish Production Training course (2012)
The technical session of the 110-day “Warm Water Fish Production” training course started in Cairo on Monday 08 May, 2012. This course is supported by the Egyptian International Centre for Agriculture (EICA) and Japan International Cooperation Agency (JICA). The participants in the course are Alain Murekambanze (Burundi), Jean-Marie Manirambona (Burundi), Elie Badai (Cameroon), Jean Blaise …
Permanent link to this article: https://fishconsult.org/?p=3559
May 17 2012
Selective breeding in fish
The 3-slide bite introduces the concept of fish selection in addition to the additive genetic variance VA. The illustrations included show the selection process over several generations and how means of selected populations move rightward till the selection plateau is reached. [important]Selective breeding in fish[/important]
Permanent link to this article: https://fishconsult.org/?p=3534
May 17 2012
Selection and sexual dimorphism in fish
This single slide began with the definition of sexual dimorphism and the importance of the phenomenon in selection programs. The illustrations as represented in natural distribution for two sexes of a given species demonstrating the necessity of having independent cut-off values for each sex otherwise a particular sex could dominate selected population. [important]Selection and sexual …
Permanent link to this article: https://fishconsult.org/?p=3528
May 17 2012
Response to selection and selection intensity in fish
This single illustrated slide shows a normal distribution of a population and demonstrates the relationship between the response to selection and the selection differential that is directly related to selection intensity. The concerns about possible impact of small selected portion on inbreeding has been highlighted. [important]Response to selection and selection intensity[/important]
Permanent link to this article: https://fishconsult.org/?p=3523
May 17 2012
Qualitative genetics in fish
This 2-slide bite defines the qualitative genetics in fish and its inheritence focusing on some examples in ornamental fish as well as in aquaculture as well as highlighting the nil influence of environment on the qualitative traits. [important]Qualitative genetics in fish[/important]
Permanent link to this article: https://fishconsult.org/?p=3516