Triploid Induction in Atlantic Cod (Gadus morhuaL.) by the Use of Different Pressure Levels

Autor:	Anders Mangor-Jensen, Susanne Håvardstun, Albert K. Imsland, Trine Haugen
Rok vydání:	2014
Předmět:	Lower incidence Animal science genetic structures Ecology biology Lower pressure Gadus Anatomy Aquatic Science biology.organism_classification Atlantic cod Pressure level Bar (unit)
Zdroj:	Journal of Applied Aquaculture. 26:252-262
ISSN:	1545-0805 1045-4438
DOI:	10.1080/10454438.2014.940797
Popis:	Different levels of pressure were investigated to see if it was possible to induce triploidy at a lower pressure than previously used (600 bar) for Atlantic cod (Gadus morhua). Newly fertilized eggs were exposed to different levels of pressure: 400, 500, and 600 bar, and one control group (no pressure). Induction of triploidy occurred at each pressure level used in this experiment. Mean weight and length at the termination of the trial period was significantly lower, in the 400 bar group, compared to the other treatment groups. Microsatellite loci analysis revealed over 90% triploid outcome in each experimental group. Lower incidence of deformities was seen in the 400 bar group compared to the 500 and 600 bar groups. Overall this study demonstrated successful triploid induction at both low (400 bar) and medium (500 bar) pressures.
Databáze:	OpenAIRE
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