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Metabolic and reproductive responses in nile catfish "Clarias gariepinus" exposed to different photoperiod regimes [electronic resource].

By:

Abd El-Hamid, Safaa S

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Language: English Summary language: Arabic Description: P.469-481Other title:

الاستجابات الأيضية والتناسلية للقراميط النيلية المعرضة لأنظمة مختلفة من الاضاءة [Added title page title]

Uniform titles:

Veterinary medical journal, 2007 v.55 (2) [electronic resource].

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In: Veterinary Medical Journal 2007.v.55(2)Summary: After adaptation or"sixty mature Nile Catfish Clarias gariepinus for 2 weeks under photoperiod regime (12L : 12D). Fish were ailowed into six identical tanks. Each tank contains 10 fish (with equal numbers of male and female). Two tanks were remained on the conditioning photoperiod regime (I2L: 12D) , other 2 tanks were changed to 24L: OOD and the last 2 tanks were subjected to OOL : 24D hours. All fish in the experimental tanks were remained for 5 consecutive weeks under the previously applied photoperiod regime.

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After adaptation or"sixty mature Nile Catfish Clarias gariepinus for 2 weeks under photoperiod regime (12L : 12D). Fish were ailowed into six identical tanks. Each tank contains 10 fish (with equal numbers of male and female). Two tanks were remained on the conditioning photoperiod regime (I2L: 12D) , other 2 tanks were changed to 24L: OOD and the last 2 tanks were subjected to OOL : 24D hours. All fish in the experimental tanks were remained for 5 consecutive weeks under the previously applied photoperiod regime.

Summary in arabic.

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