Posts or items in English language
May 27 2012
Credit: Juma Frezar (South Sudan) Because fish transport and cooling in South Sudan is not sufficient to take fish from landing places to fish markets, excess fish is sun-dried in the fishing area as the primary method of conservation. Nauk, Heterotis sp is considered the principal sun-dried fish. This is due to its abundance …
Permanent link to this article: https://fishconsult.org/?p=3625
May 27 2012
Credit: Juma Frezar (South Sudan) The local name of this artisanal fishing boat is “Aliyab” after the name of Aliyab city in the state of Lakes where these boats are built by specialized boat builders. Boats are made of doum palm (gingerbread tree). The length of this type of fishing boat ranges from 3-4 meters. The …
Permanent link to this article: https://fishconsult.org/?p=3618
May 27 2012
Credit: Grace Charway (Ghana) The two photos show a model of capture fisheries in the Northern part of Ghana, Upper West Region. Fisheries activities are usually done in dams/reservoirs meant for irrigation and water points for livestock. According to the government policy, 5% of all irrigable dams are allocated to fisheries activities. The Fisheries Commission …
Permanent link to this article: https://fishconsult.org/?p=3598
May 19 2012
Credit: Grace Charway (Ghana) This is also capture fisheries in the Siiru dam in the Wa West District of the Upper West Region of Ghana. This dam has a surface area of 65 ha and it is the largest dam in the whole of the Upper West Region of Ghana. This shows a fisherman harvesting …
Permanent link to this article: https://fishconsult.org/?p=3575
May 19 2012
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
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
