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Archiv 2011

Veröffentlicht: 03.11.2011 Share it on Facebook


Schildkröten im Fokus, Bergheim 8 (4) 2011: 3–22

Langjährige Haltung und Reproduktion der Spinnenschildkröte, Pyxis arachnoides arachnoides, bei kombinierter Freiland- und Innenhaltung mit Ästivationsphase.

Long-term care and reproduction of the spider tortoise, Pyxis arachnoides arachnoides, combining outdoor and indoor keeping, including aestivation.

Norbert Heinle, Sulzfeld & Hans-Jürgen Bidmon, Düsseldorf


Abstract

Here the maintenance and breeding of the spider tortoise, Pyxis arachnoides arachnoides is described. The tortoises are kept outdoors during the summer with occasional interruption during longer periods of wet and cold weather when they returned to their indoor enclosures. After that outdoor period the specimens are kept indoors to check their health status and in order to prepare them for a prolonged period of aestivation in a room which is kept at about 18–16 °C and a relative humidity of 50 % or less. During that period the tortoises are lightly hidden under dry hay. Only a small bowl of fresh water is present in case a tortoise decides to drink which happens rarely. For Pyxis arachnoides aestivation belongs to an essential part of their natural life cycle which has to be provided for the welfare of the animals. Otherwise the tortoises do not stay healthy and usually will not survive. This is probably one of the reasons why up to now there are no reports about (carapace) pyramiding in Pyxis arachnoides, because aestivating specimens show natural growth patterns during their annual life cycle despite the fact that they feed on nutritious greens and non-aestivating specimens tend to die before pyramiding takes place. We refer to mating activity, nesting and incubation conditions including the detailed temperature/humidity and incubation schedule used for both species, P. a. arachnoides and A. radiata. Furthermore, we describe their nutritional needs for the adults and for the raising of hatchlings and address issues that are still open for discussion and further experimentation.

Key words

Reptilia, Chelonii, Testudinidae, Pyxis arachnoides, aestivation, incubation, captive propagation.

Authors

Norbert Heinle
E-Mail: noka1@t-online.de

Hans-Jürgen Bidmon
E-Mail: hjb@hirn.uni-duesseldorf.de

Videos: sLink 110401v

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