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High mortality of embryos of a distinct autochthonous Austrian coregonid population during Zuger jar incubation
Author(s) -
Lahnsteiner F.,
Kletzl M.
Publication year - 2006
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.2006.01127.x
Subject(s) - biology , embryo , incubation , population , zoology , coregonus , andrology , fishery , fish <actinopterygii> , demography , medicine , biochemistry , sociology
For a distinct autochthonous Austrian coregonid population called Reinanke Coregonus sp., embryo viability was very low in Zuger jars (mean ± s.d. 36·1 ± 16·1% eyed stage embryos in experiment 1, 15·1 ± 17·0% in experiment 2) but high in vertical flow incubators (63·3 ± 29·0% eyed stage embryos in experiment 1, 57·8 ± 18·9% in experiment 2). Mechanical shock sensitivity is a possible explanation for high embryo mortality.