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Factors Influencing Annual Fecal Testosterone Metabolite Profiles in Captive Male Polar Bears ( U rsus maritimus)

https://doi.org/10.1111/rda.12012

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What this work says

Outgoing claims: the papers this work cites, builds on, or argues with.

inferredcites →https://doi.org/10.1002/zoo.20061openalex-snapshot

Longitudinal monitoring of fecal testosterone in male Malayan Sun bears (U. malayanus)

inferredcites →https://doi.org/10.1007/s00300-002-0430-7openalex-snapshot

Age at sexual maturity of males and timing of the mating season of polar bears (Ursus maritimus) in Greenland

inferredcites →https://doi.org/10.1016/j.theriogenology.2012.07.005openalex-snapshot

Longitudinal fecal hormone analysis for monitoring reproductive activity in the female polar bear (Ursus maritimus)

inferredcites →https://doi.org/10.1093/clinchem/37.6.838openalex-snapshot

Relationship of serum estradiol and progesterone concentrations to the excretion profiles of their major urinary metabolites as measured by enzyme immunoassay and radioimmunoassay

inferredcites →https://doi.org/10.1095/biolreprod.112.099044openalex-snapshot

Protracted Reproductive Seasonality in the Male Giant Panda (Ailuropoda melanoleuca) Reflected by Patterns in Androgen Profiles, Ejaculate Characteristics, and Selected Behaviors1

inferredcites →https://doi.org/10.1095/biolreprod38.5.1044openalex-snapshot

Annual Changes in Serum Sex Steroids in Male and Female Black (Ursus Americanus) and Polar (Ursus Maritimus) Bears1

inferredcites →https://doi.org/10.1095/biolreprod51.4.776openalex-snapshot

Comparative Aspects of Steroid Hormone Metabolism and Ovarian Activity in Felids, Measured Noninvasively in Feces1

inferredcites →https://doi.org/10.1098/rstb.2009.0131openalex-snapshot

Effects of heat stress on mammalian reproduction

inferredcites →https://doi.org/10.2192/1537-6176(2005)016[0198:sdistm]2.0.co;2openalex-snapshot

Seasonal differences in spermatogenesis, testicular mass and serum testosterone concentrations in the grizzly bear

What points at this work

Incoming claims: where this work appears in other papers’ reference lists and arguments.

inferred← citeshttps://doi.org/10.2139/ssrn.4072560openalex-extracted

Validation of an Enzyme Immunoassay for the Non-Invasive Measurement of Faecal Androgen Metabolites in Spinifex Hopping Mice ( Notomys Alexis)

inferred← citeshttps://doi.org/10.1016/b978-0-323-82852-9.00107-6openalex-snapshot

Using In Situ/Ex Situ Research Collaborations to Support Polar Bear Conservation

inferred← citeshttps://doi.org/10.1016/b978-0-443-15986-2.00007-1openalex-snapshot

Hormones and reproductive cycles in carnivores

inferred← citeshttps://doi.org/10.1016/j.ecoinf.2024.102840openalex-snapshot

Automated long-term monitoring of stereotypical movement in polar bears under human care using machine learning

inferred← citeshttps://doi.org/10.1016/j.therwi.2024.100104openalex-snapshot

Testosterone concentrations in juvenile male polar bears (Ursus maritimus)

inferred← citeshttps://doi.org/10.1016/j.therwi.2024.100105openalex-snapshot

Reproductive health assessments in female polar bears: Anatomy, pathology, and diagnostic techniques

inferred← citeshttps://doi.org/10.1016/j.therwi.2025.100140openalex-snapshot

Assessment of anti-Müllerian hormone in polar bears (Ursus maritimus): Insights into seasonal regulation and reproductive senescence

inferred← citeshttps://doi.org/10.1016/j.ygcen.2021.113807openalex-snapshot

Measuring adrenal and reproductive hormones in hair from Southern Beaufort Sea polar bears (Ursus maritimus)

inferred← citeshttps://doi.org/10.1016/j.ygcen.2021.113837openalex-snapshot

Analysis of hair steroid hormones in polar bears (Ursus maritimus) via liquid chromatography–tandem mass spectrometry: comparison with two immunoassays and application for longitudinal monitoring in zoos

inferred← citeshttps://doi.org/10.1016/j.ygcen.2023.114276openalex-snapshot

Assessing Dehydroepiandrosterone Sulfate (DHEAS) as a novel biomarker for monitoring estrus and successful reproduction in polar bears

inferred← citeshttps://doi.org/10.1016/j.ygcen.2025.114719openalex-snapshot

Effect of stress on profiles of fecal glucocorticoid and androgen metabolites and antler status in marsh deer (Blastocerus dichotomus)

inferred← citeshttps://doi.org/10.1071/am22025openalex-snapshot

Validation of an enzyme immunoassay for the non-invasive measurement of faecal androgen metabolites in spinifex hopping mice (Notomys alexis)

inferred← citeshttps://doi.org/10.1071/rd16345openalex-snapshot

Changes in urinary androgen concentration indicate that male giant pandas (Ailuropoda melanoleuca) respond to impending female oestrus during and outside the typical spring breeding season

inferred← citeshttps://doi.org/10.1093/conphys/coaa012openalex-snapshot

Faecal glucocorticoid metabolites as a measure of adrenocortical activity in polar bears (Ursus maritimus)

inferred← citeshttps://doi.org/10.1093/conphys/cox023openalex-snapshot

Urinary profiles of progestin and androgen metabolites in female polar bears during parturient and non-parturient cycles

inferred← citeshttps://doi.org/10.1111/mms.12291openalex-snapshot

Behavior and activity budgets of wild breeding polar bears (Ursus maritimus)

inferred← citeshttps://doi.org/10.13021/mars/6765openalex-snapshot

Gonadal and Adrenal Hormone Patterns in African Lions (Panthera leo) of Diverse Age and Reproductive Success

inferred← citeshttps://doi.org/10.1638/2013-0055r1.1openalex-snapshot

OVULATION INDUCTION AND ARTIFICIAL INSEMINATION OF A CAPTIVE POLAR BEAR (URSUS MARITIMUS) USING FRESH SEMEN

inferred← citeshttps://doi.org/10.19227/jzar.v3i3.133openalex-snapshot

Reproductive trends of captive polar bears in North American zoos: a historical analysis

inferred← citeshttps://doi.org/10.3390/ani11051324openalex-snapshot

Non-Invasive Reproductive Hormone Monitoring in the Endangered Pygmy Hog (Porcula salvania)

inferred← citeshttps://doi.org/10.3390/ani12040430openalex-snapshot

Case Studies in Polar Bear (Ursus maritimus) Sperm Collection and Cryopreservation Techniques

inferred← citeshttps://doi.org/10.3390/ani12060672openalex-snapshot

The Adrenal Cortisol Response to Increasing Ambient Temperature in Polar Bears (Ursus maritimus)

inferred← citeshttps://doi.org/10.3390/life12060796openalex-snapshot

Label-Free Quantification (LFQ) of Fecal Proteins for Potential Pregnancy Detection in Polar Bears

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