Tag: heritability coefficient

Applications of genetics in aquaculture (2019 – an updated lecture)

This lecture has been delivered by Dr. Abdel Rahman El Gamal during August 2019 as a contribution to the “Fish Culture Development training course – Africa” which is annually organized by the Egyptian International Centre for Agriculture (EICA) with the support by Japan International Cooperation Agency (JICA). The introductory part of the lecture addressed the …

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Permanent link to this article: https://fishconsult.org/?p=15116

Fish selection (trend and plateau)

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 …

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Permanent link to this article: https://fishconsult.org/?p=3497