Do female dingo–dog hybrids breed like dingoes or dogs?

Cursino, Marina S. and Harriott, Lana and Allen, Benjamin L. ORCID: and Gentle, Matthew and Leung, Luke K.-P. (2017) Do female dingo–dog hybrids breed like dingoes or dogs? Australian Journal of Zoology, 65 (2). pp. 112-119. ISSN 0004-959X


Hybridisation between animals that breed once (e.g. dingoes) and twice (e.g. domestic dogs) annually may
produce offspring that breed either way. This question was investigated by determining the breeding seasonality of female dingo–dog hybrids in south-east Queensland, Australia, through evaluating macroscopic and histological features of 71 female reproductive tracts. All animals were sourced from urban areas where levels of hybridisation are generally high. Most animals trapped in summerwere pups less than 6 months of age. A peak of uterus diameter and weight coincided with a peak of corpus luteum in winter. The follicular phase was characterised by growing follicles, ~1–3mm wide, in late summer and autumn. Only two of the animals (1.4%) showed out-of-season reproductive cycles: one was found with corpus luteum in summer and another in autumn. Our data clearly show that hybrids have a single annual breeding season in winter, exhibiting
the same breeding seasonality as dingoes. Our findings are similar to those found in the New Guinea singing dog. Future
studies should be conducted to understand and exploit the mechanism and drivers of the breeding seasonality of dingo–dog hybrids to develop more effective management of their populations.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Permanent restricted access to Published version, in accordance with the copyright policy of the publisher.
Faculty/School / Institute/Centre: Historic - Institute for Agriculture and the Environment
Faculty/School / Institute/Centre: Historic - Institute for Agriculture and the Environment
Date Deposited: 28 Feb 2018 00:47
Last Modified: 06 Jan 2020 06:26
Uncontrolled Keywords: dingo, dog, hybrid, DNA, reproduction
Fields of Research (2008): 06 Biological Sciences > 0608 Zoology > 060809 Vertebrate Biology
05 Environmental Sciences > 0502 Environmental Science and Management > 050211 Wildlife and Habitat Management
Fields of Research (2020): 31 BIOLOGICAL SCIENCES > 3109 Zoology > 310914 Vertebrate biology
41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410407 Wildlife and habitat management
Socio-Economic Objectives (2008): D Environment > 96 Environment > 9608 Flora, Fauna and Biodiversity > 960805 Flora, Fauna and Biodiversity at Regional or Larger Scales
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