Spermogram of african lions (Panthera leo, Linnaeus, 1758) housed at Fundação Parque Zoológico de São Paulo

Authors

  • Priscylla Sayuri Miya Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Reprodução Animal, São Paulo, SP
  • Thiesa Butterby Soler Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Reprodução Animal, São Paulo, SP
  • Sandra Helena Ramires Correa Fundação Parque Zoológico de São Paulo, São Paulo, SP
  • Marcelo Alcindo de Barros Vaz Guimarães Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Reprodução Animal, São Paulo, SP

DOI:

https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26592

Keywords:

African lion, Panthera leo, Semen, Spermogram, Electroejaculation

Abstract

The aim of this sutdy was to analyse the spermogram of a group of captive African lions (Panthera leo), housed at the Fundação Parque Zoológico de São Paulo, as a subject to avaluate the reproductive potential of the animals, an important aspect to apply artificial reproductive techniques. After chemical restraining, semen from 14 adult male lions was obtained by electroejaculation and the samples were examined right after the collection. The characteristics analyzed were: volume, pH, general aspect, motility, progressive motility, spermatic motility index and concentration. One aliquot of the samples were fixed in saline-formol solution 10% and examined under Phase Contrast Microscopy for morphological evaluation, classifying in minor and major defects. The results were: volume 5,83+/-3,35 ml; concentration11,62 +/- 14,51 x 10(6) sperm cells/ml; total motility 73,85 +/- 11,02% ; progressive motility3,35 +/- 0,63; spermatic motility index 70,42%, pH 8,1 +/- 0,5; major defects 38,12 +/- 19,41%; minor defects 17,43 +/- 10,36%; total defects 55,55 +/- 19,30%. The more frequent major defects were: proximal droplet, bent midpiece with cytoplasmic droplet and bent midpiece. Bent tail was the most frequent minor defect observed.

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Published

2007-12-03

Issue

Section

UNDEFINIED

How to Cite

Spermogram of african lions (Panthera leo, Linnaeus, 1758) housed at Fundação Parque Zoológico de São Paulo. (2007). Brazilian Journal of Veterinary Research and Animal Science, 44(supl.), 65-70. https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26592