Anatomy of the Female Koala Reproductive Tract

Author:

Pagliarani Sara12ORCID,Palmieri Chiara2ORCID,McGowan Michael2ORCID,Carrick Frank34,Boyd Jackson23ORCID,Johnston Stephen D.23ORCID

Affiliation:

1. Ontario Veterinary College, The University of Guelph, Guelph, ON N1G 2W1, Canada

2. School of Veterinary Science, The University of Queensland, Gatton 4343, Australia

3. School of Environment, The University of Queensland, Gatton 4343, Australia

4. Sustainable Minerals Institute, Koala Study Program, The University of Queensland, St. Lucia 4072, Australia

Abstract

The koala (Phascolarctos cinereus), while being an iconic Australian marsupial, has recently been listed as endangered. To establish an improved understanding of normal reproductive anatomy, this paper brings together unpublished research which has approached the topic from two perspectives: (1) the establishment of an artificial insemination program, and (2) the definition of Chlamydia spp.-derived histopathological changes of the female koala urogenital system. Based on the presentation and histological processing of over 70 opportunistic specimens, recovered from wildlife hospitals in Southeast Queensland (Australia), we describe the gross and microanatomy of the koala ovary, oviduct, uteri, vaginal complex, and urogenital sinus during the interestrous, proliferative, and luteal phases of the reproductive cycle.

Funder

Dreamworld Wildlife Foundation donation and the Annandale Bequest, School of Veterinary Science, The University of Queensland

Publisher

MDPI AG

Subject

General Agricultural and Biological Sciences,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology

Reference65 articles.

1. Forbes, W.A. (1881). Proceedings of the Zoological Society of London, Blackwell Publishing Ltd.

2. On the Corpora Lutea and Interstitial Tissue of the Ovary in the Marsupialia;Q. J. Microsc. Sci.,1916

3. Mackenzie, W.C. (1919). The Genito-Urinary System in Monotremes and Marsupials, Jenmin, Buxton & Company.

4. Handasyde, K.A. (1986). Factors Affecting Reproduction in the Female Koala Phascolarctos cinereus, Monash University.

5. Brown, A.S. (1987). Infertility in the Female Koala (Phascolarctos cinereus), University of Queensland.

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