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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN En Línea: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v34.i1.150
pages 123-135

Developing Eggs of Donaldson's Trout and Steelhead Trout in the Norm and upon Infection by Saprolegnia Fungi

L. Ya. Kurovskaya
Institute of Zoology National Academy of Sciences of Ukraine Kyiv, Ukraine

SINOPSIS

Effects of tannin (a degumming substance) and fungicidal dyes (basic violet C, malachite green, and brilliant green) on some biochemical parameters of developing fish eggs were studied in Donaldson's trout and steelhead trout, the forms actively used in commercial fish breeding. In addition to normal eggs, experiments were performed with eggs infected by Saprolegnia fungi (water mold). The results showed that this fungal infection at different stages of embryonic development leads to significant changes in egg weight, protein level, and activities of hydrolases.


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