Describe an expert in the Fish Consulting Group
May 18 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
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
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
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
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
May 14 2012
This information bite illustrates the accumulated gain over generations through selection. The bite also describes the factors that influence the response to selection which are namely heritability coefficient and selection differential. The illustration shows the declining gain (response to selection) till reaching the plateau whereas no gain could be achieved unless variation is created naturally …
Permanent link to this article: https://fishconsult.org/?p=3497
May 13 2012
This illustrated bite shows how the growth rate of two strains of a given species when grown in two different farming environments. The examples of the “No GxE) as well as the existence of the GxE has been illustrated. The two experimental environments are defined. The bite emphasized that these information should result of well designed experiment …
Permanent link to this article: https://fishconsult.org/?p=3488
Apr 28 2012
This large bite does not only address the definition of longevity and related terms (e.g. lifespan) but also covers with examples the factors affecting longevity. For a valid illustration, a Table with maximum longevity has been included whereas clear differences among various fish groups could be easily noticed. The application of longevity in fishery and aquaculture practices has …
Permanent link to this article: https://fishconsult.org/?p=3431
Apr 22 2012
This information bite handles a practical pond management issue as well as a field tool which is Secchi disk. The use of Secchi disk in measuring water transparency has been covered in the attached information providing adequate background such as sources of turbidity in water as well as factors to considered during measurement. Relating the …
Permanent link to this article: https://fishconsult.org/?p=3404
Permanent link to this article: https://fishconsult.org/?p=3332
