Original Research

A scanning electron microscopic study of impala (Aepyceros melampus) sperm from the Kruger National Park

D.J. Ackerman, A.J. Reinecke, H.J. Els
Koedoe | Vol 39, No 2 | a297 | DOI: https://doi.org/10.4102/koedoe.v39i2.297 | © 1996 D.J. Ackerman, A.J. Reinecke, H.J. Els | This work is licensed under CC Attribution 4.0
Submitted: 07 August 1996 | Published: 07 August 1996

About the author(s)

D.J. Ackerman, University of Stellenbosch, South Africa
A.J. Reinecke, University of Stellenbosch, South Africa
H.J. Els, University of Pretoria, South Africa

Full Text:



Since knowledge of sperm morphological characteristics can play an important role in semen evaluation and fertilisation, baseline data on sperm ultrastructure are required. Live spermatozoa were collected from the cauda epididymis from 64 impala rams in the Kruger National Park and 5082 spermatozoa from 40 of these impala were studied by scanning electron microscopy. The mean length of impala sperm was 59.23 @ 2.7 um. The morphology of normal sperm as well as the occurrence of abnormalities were documented. The morphology of impala sperm were compared with those of other mammals. New findings on appendages of the cytoplasmic droplet are described and interpreted.


sperm ultrastructure, impala, Aepyceros melampus, scanning electron microscopy.


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