Tamara Keeley
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View article: Temporal dynamics of koala retrovirus plasma RNA load in relation to faecal glucocorticoid metabolites and Chlamydia infection
Temporal dynamics of koala retrovirus plasma RNA load in relation to faecal glucocorticoid metabolites and Chlamydia infection Open
Koala retrovirus (KoRV) is endemic throughout northern koala populations that are currently in steep decline. We have previously found a strong association between KoRV plasma RNA loads and the risk of secondary diseases, including chlamyd…
View article: Salivary Cortisol as a Measure of Acute Stress and Diurnal Adrenal Activity in Bottlenose Dolphins
Salivary Cortisol as a Measure of Acute Stress and Diurnal Adrenal Activity in Bottlenose Dolphins Open
Monitoring changes to animals' physiological states in managed settings is critical in modern animal welfare assessment. Under human care, marine mammals can be conditioned for voluntary biological sample collection, reducing effects of ha…
View article: Development of an 11-oxoetiocholanolone mini-kit for the quantification of faecal glucocorticoid metabolites in various wildlife species
Development of an 11-oxoetiocholanolone mini-kit for the quantification of faecal glucocorticoid metabolites in various wildlife species Open
As part of its mission to advance the field of wildlife endocrinology, the International Society of Wildlife Endocrinology aims to develop cost-effective antibodies and enzyme immunoassay kits that support research across a diverse range o…
View article: The Utility of the Koala Scat: A Scoping Review
The Utility of the Koala Scat: A Scoping Review Open
The use of samples or scats to provide important ecological, genetic, disease and physiology details on free-range populations is gaining popularity as an alternative non-invasive methodology. Koala populations in SE Queensland and NSW hav…
View article: Body fat and circulating leptin levels in the captive short-beaked echidna (Tachyglossus aculeatus)
Body fat and circulating leptin levels in the captive short-beaked echidna (Tachyglossus aculeatus) Open
It is possible that the reproductive strategy of the short-beaked echidna is related to seasonal changes in fat deposition and energy availability, regulated by seasonal changes in endocrine function. We predicted that circulating leptin l…
View article: Faecal cortisol metabolites, body temperature, and behaviour of beef cattle exposed to a heat load
Faecal cortisol metabolites, body temperature, and behaviour of beef cattle exposed to a heat load Open
Feedlot cattle are at times exposed to high environmental temperatures. Faecal cortisol metabolites were related to possible indicators of heat stress that could be measured under field conditions: respiratory dynamics (respiration rate), …
View article: Investigating the Market Value of Brumbies (Equus caballus) in the Australian Riding Horse Market
Investigating the Market Value of Brumbies (Equus caballus) in the Australian Riding Horse Market Open
Feral horses, also known as brumbies, are widely distributed across Australia with some populations being managed largely by human intervention. Rehoming of suitable feral horses following passive trapping has wide community acceptance as …
View article: Validation of non-invasive hormone analysis techniques to assist in the future identification of maternal roosts of ghost bats (Macroderma gigas)
Validation of non-invasive hormone analysis techniques to assist in the future identification of maternal roosts of ghost bats (Macroderma gigas) Open
The ghost bat (Macroderma gigas) is the largest microbat in Australia and occupies a large but contracting range. The ghost bat is listed as Vulnerable with a decreasing population trend by the IUCN Red List of Threatened Species. They occ…
View article: Optimizing captive short‐beaked echidna (<i>Tachyglossus aculeatus</i>) fecal sample identification and hormonal analysis
Optimizing captive short‐beaked echidna (<i>Tachyglossus aculeatus</i>) fecal sample identification and hormonal analysis Open
The objectives of this study were to develop a fecal marking protocol to distinguish male from female samples during the echidna breeding season and to determine if normalizing fecal progesterone metabolite data for inorganic content impro…
View article: Validation of an Enzyme Immunoassay to Measure Faecal Glucocorticoid Metabolites in Common Brushtail Possums (Trichosurus vulpecula) to Evaluate Responses to Rehabilitation
Validation of an Enzyme Immunoassay to Measure Faecal Glucocorticoid Metabolites in Common Brushtail Possums (Trichosurus vulpecula) to Evaluate Responses to Rehabilitation Open
Volunteer wildlife rehabilitators rescue and rehabilitate thousands of native animals every year in Australia. However, there is little known about how exposure to novel stimuli during rehabilitation could affect the physiology of wildlife…
View article: Plasma progesterone secretion during gestation of the captive short-beaked echidna
Plasma progesterone secretion during gestation of the captive short-beaked echidna Open
This study describes the progesterone profile during pregnancy in sexually mature female captive short-beaked echidnas ( Tachyglossus aculeatus aculeatus ). Echidnas were monitored daily by video surveillance to confirm key reproductive be…
View article: Sexually dimorphic growth in the Western Swamp Tortoise, Pseudemydura umbrina (Testudines: Chelidae)
Sexually dimorphic growth in the Western Swamp Tortoise, Pseudemydura umbrina (Testudines: Chelidae) Open
Captive breeding of the Critically Endangered western swamp tortoise (WST; Pseudemydura umbrina) has been taking place at Perth Zoo as part of the species' recovery plan since 1988. The first release of captive bred individuals took place …
View article: MHC diversity and female age underpin reproductive success in an Australian icon; the Tasmanian Devil
MHC diversity and female age underpin reproductive success in an Australian icon; the Tasmanian Devil Open
Devil Facial Tumour Disease (DFTD), a highly contagious cancer, has decimated Tasmanian devil ( Sarcophilus harrisii ) numbers in the wild. To ensure its long-term survival, a captive breeding program was implemented but has not been as su…
View article: Behavioral and Physiological Responses of Calves to Marshalling and Roping in a Simulated Rodeo Event
Behavioral and Physiological Responses of Calves to Marshalling and Roping in a Simulated Rodeo Event Open
Rodeos are public events at which stockpeople face tests of their ability to manage cattle and horses, some of which relate directly to rangeland cattle husbandry. One of these is calf roping, in which a calf released from a chute is pursu…