High mortality of embryos of a distinct autochthonous Austrian coregonid population during Zuger jar incubation

Authors: Lahnsteiner; Kletzl

Source: Journal of Fish Biology, Volume 69, Number 3, September 2006 , pp. 923-927(5)

Publisher: Wiley-Blackwell

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Abstract:

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.

Keywords: Coregonidae; eggs; embryos; viability

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1095-8649.2006.01127.x

Affiliations: Fish farm Kreuzstein, Oberburgau 28, 4866 Unterach, Austria

Publication date: September 1, 2006

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