Effects of a saponin fraction extracted from Trigonella foenum-graecum L. and two commercially available saponins on sex ratio and gonad histology of Nile tilapa fry, Oreochromis niloticus (L.)

Authors

  • T. Stadtlander,

    1. Department of Aquaculture Systems and Animal Nutrition in the Tropics and Subtropics, University of Hohenheim (480B), Stuttgart, Germany
    Current affiliation:
    1. Department of Aquaculture, Research Institute for Organic Aquaculture (FiBL), Frick, Switzerland
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  • B. Levavi-Sivan,

    1. Department of Animal Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University, Rehovot, Israel
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  • Z. Kerem,

    1. Institute of Biochemistry, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University, Rehovot, Israel
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  • H. Dweik,

    1. Faculty of Science and Technology, Al-Quds University, Palestinian Authority, Abu Dis, Jerusalem
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  • M. Qutob,

    1. Faculty of Science and Technology, Al-Quds University, Palestinian Authority, Abu Dis, Jerusalem
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  • S. Abu-Lafi,

    1. Faculty of Pharmacy, Al-Quds University, Abu-Deis, Palestinian Authority, Jerusalem
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  • G. Francis,

    1. Department of Aquaculture Systems and Animal Nutrition in the Tropics and Subtropics, University of Hohenheim (480B), Stuttgart, Germany
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  • U. Focken,

    Corresponding author
    1. Johann Heinrich von Thünen Institut, Institute of Fisheries Ecology, Ahrensburg, Germany
    • Department of Aquaculture Systems and Animal Nutrition in the Tropics and Subtropics, University of Hohenheim (480B), Stuttgart, Germany
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  • K. Becker

    1. Department of Aquaculture Systems and Animal Nutrition in the Tropics and Subtropics, University of Hohenheim (480B), Stuttgart, Germany
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Author's address: U. Focken, Johann Heinrich von Thünen Institut - Institute of Fisheries Ecology, Wulfsdorfer Weg 204, D-22926 Ahrensburg, Germany.

E-mail: ulfert.Focken@vti.bund.de

No abstract is available for this article.

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