Influence of photoperiod regimes on the Eurasian perch gonadogenesis and spawning

H. Migaud; J.N. Gardeur; P. Fontaine; R. Mandiki; P. Kestemont; N. Bromage

doi:10.1023/B:FISH.0000030604.04618.d7

Influence of photoperiod regimes on the Eurasian perch gonadogenesis and spawning

H. Migaud, J.N. Gardeur, P. Fontaine, R. Mandiki, P. Kestemont, N. Bromage

Research output: Contribution to journal › Article › peer-review

Abstract

The effects of photoperiod regimes under ambient temperature on gonadal growth and spawning were investigated in Eurasian perch, Perca fluviatilis. This study showed that continuous lighting inhibited reproduction in male and female fish with very low sex steroid levels being measured. Constant LD 16:8 resulted in heterogeneous gonad development and sex steroid levels compared to natural regime, with only 54% of females and <30% of males maturing. Seasonal variations in daylength also seem to be required to control reproduction.

Original language	English
Pages (from-to)	395-397
Number of pages	3
Journal	Fish Physiology and Biochemistry
Volume	28
Issue number	1-4
DOIs	https://doi.org/10.1023/B:FISH.0000030604.04618.d7
Publication status	Published - 1 Jan 2003

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AU - Fontaine, P.

AU - Mandiki, R.

AU - Kestemont, P.

AU - Bromage, N.

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ER -

Influence of photoperiod regimes on the Eurasian perch gonadogenesis and spawning

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