Induction of population triploid-interploid in rainbow trout (Oncorhynchus mikiss) using by indirect
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Author
Gandomkar, HabiballahHossaeini, S.A.
Moradian, S.H.
Mahdavii, J.
Falahat, E.
Rasteyannasab, A.H.
Mohamadpor, M.
Abdolhay, H.A.
Rezvani, S.
Gorjipor, E.
Date
2018
Metadatos
Mostrar el registro completo del ítemAbstract
Induced polyploidy is a suitable tool for producing sterile fish which made commercial benefits in the aquaculture industry. This study carried out in order to produce triploid-interploid population via mating tetraploid female with diploid male rainbow trout. Heat shock was used for making tetraploid population and the best temperature and induction time were examined. Result showed that highest mortality from 1 day after fertilization to emerging were in groups 6 of embryos (40.1%) and the lowest were in groups 3 (33 %). Flowcytometry results showed that some fish were polyploidy. Comparative analyze of genome levels in tetraploid fish to control fish (diploid) and hen as standard indicator, confirmed tetraploid fishes in this study. In conclusion we can state that heat shock induction for 7 minutes at 65 hour –degree after fertilization in 28 ºC is optimum temperature for inducting tetraploid rainbow trout.Pages
43pp.Publisher or University
Iranian Fisheries Science Research InstituteSeries : Nr
52453;Colecciones