Development of the tush and tusk and tusklessness in African elephant (Loxodonta africana)

Koedoe - African Protected Area Conservation and Science

 
 
Field Value
 
Title Development of the tush and tusk and tusklessness in African elephant (Loxodonta africana)
 
Creator Raubenheimer, E.J.
 
Subject — African elephant, embryology of tusk and tush, tusklessness.
Description The embryologic development of the tush and tusk of the African elephant was studied by means of serial histologic sections prepared from elephant embryos with masses varying between Ig and 240 g. Statistics on tusklessness obtained during a four year population control programme in the Kruger National Park were analysed and compared with those reported in other elephant reserves in Southern Africa. Maxillae of eight elephant embryos, the maternal histories of which were available in six cases, were radiographed, dissected and examined microscopically. This study has shown that the tush and tusk develop from one tooth germ in a deciduous to permanent tooth relationship. Tusklessness was found to be unilateral or bilateral and associated with either the absence or presence of a tush. The possible causes of the differences in the frequency of bilateral tusklessness in different elephant populations are discussed.
 
Publisher AOSIS Publishing
 
Contributor
Date 2000-07-02
 
Type info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion — —
Format application/pdf
Identifier 10.4102/koedoe.v43i2.199
 
Source Koedoe; Vol 43, No 2 (2000); 57-64 2071-0771 0075-6458
 
Language eng
 
Relation
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https://koedoe.co.za/index.php/koedoe/article/view/199/185
 
Coverage — — —
Rights Copyright (c) 2000 E.J. Raubenheimer https://creativecommons.org/licenses/by/4.0
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