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Comparison of methods for hatchery-scale triploidization of European catfish (Silurus glanis L.)


Comparison of methods for hatchery-scale triploidization of European catfish (Silurus glanis L.)



Journal of Applied Ichthyology 17(6): 247-255



ISSN/ISBN: 0175-8659

DOI: 10.1046/j.1439-0426.2001.00299.x

Heat-, cold- and hydrostatic pressure shocks were applied in order to improve triploidy induction in European catfish (Silurus glanis). A 41 degrees C heat shock (45 s, starting 9 min after gamete activation) provided 88% triploids and a high percentage of malformation (38.8+or-4.1%). The superior 6 degrees C cold shock (20 min, starting 9 min after gamete activation) gave 100% triploids and a 33.4+or-3.8% triploid yield.

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Accession: 003687712

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