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Forschungsverbund Berlin e.V. Rudower Chaussee 17 12489 Berlin, Germany http://ww.fv-berlin.de
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Forschungsverbund Berlin e.V.

Die ersten Löwen-Embryonen aus eingefrorenen Eizellen

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Einem Team aus Wissenschaftler*innen des Berliner Leibniz-Instituts für Zoo- und Wildtierforschung (Leibniz-IZW) und der Universität Mailand, Italien, in Kooperation mit dem Givskud Zoo - Zootopia in Dänemark ist es gelungen, die ersten Embryonen von afrikanischen Löwen aus eingefrorenen (vitrifizierten) Eizellen zu produzieren. Für die Vitrifizierung – eine spezielle Methode der Gefrierkonservierung – werden die Eizellen eines Tieres direkt nach dessen Kastration oder Tod entnommen und sofort bei -196°C in flüssigem Stickstoff eingefroren. Diese Technik ermöglicht es, Eizellen von genetisch wertvollen Tieren für unbegrenzte Zeit zu lagern, um Nachkommen mit Hilfe assistierter Reproduktionstechniken zu erzeugen. Ziel ist es, diese Methoden weiter
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