Search Results - "Putman, Sarah"
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Characterization of Ovarian Steroid Patterns in Female African Lions (Panthera leo), and the Effects of Contraception on Reproductive Function
Published in PloS one (13-10-2015)“…Because of poor reproduction after the lifting of an 8-year breeding moratorium, a biomedical survey of female lions in U.S. zoos was initiated in 2007. Fecal…”
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Linkage between fecal androgen and glucocorticoid metabolites, spermaturia, body weight and onset of puberty in male African lions (Panthera leo)
Published in PloS one (03-07-2019)“…There is limited physiological information on onset of puberty in male lions. The aim of this study was to use longitudinal non-invasive monitoring to: 1)…”
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Evaluating group housing strategies for the ex-situ conservation of harlequin frogs (Atelopus spp.) using behavioral and physiological indicators
Published in PloS one (25-02-2014)“…We have established ex situ assurance colonies of two endangered Panamanian harlequin frogs, Atelopus certus and Atelopus glyphus, but observed that males…”
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An Investigation of Ovarian and Adrenal Hormone Activity in Post-Ovulatory Cheetahs ( Acinonyx jubatus )
Published in Animals (Basel) (22-03-2022)“…Cheetahs have been the subject of reproductive study for over 35 years, yet steroid hormone activity remains poorly described after ovulation. Our objective…”
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The use of altrenogest to avoid hyperestrogenism after eCG-hCG ovulation induction in southern tigrina (Leopardus guttulus)
Published in Theriogenology (01-09-2015)“…The goal of this study was to optimize an ovulation induction protocol for use with artificial insemination in the southern tigrina (Leopardus guttulus). The…”
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Ovarian cycle activity varies with respect to age and social status in free-ranging elephants in Addo Elephant National Park, South Africa
Published in Conservation physiology (01-01-2013)“…We investigated reproductive aging in African elephants and found a relationship between females obtaining a high social status within their herd and a decline…”
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Using Environmental DNA to Connect Lab Science with Field Practice
Published in The American biology teacher (01-04-2018)“…Experiential learning helps students make connections between different skill sets and allows them to engage in a deeper level of inquiry. To enhance the…”
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Relationships between steroid hormones in hair and social behaviour in ring-tailed lemurs (Lemur catta)
Published in Primates (2017)“…Relationships between the hypothalamic-pituitary adrenal and hypothalamic-pituitary gonadal axes and social behaviour in primates are complex. By using hair to…”
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Evaluating Group Housing Strategies for the Ex-Situ Conservation of Harlequin Frogs
Published in PloS one (25-02-2014)“…We have established ex situ assurance colonies of two endangered Panamanian harlequin frogs, Atelopus certus and Atelopus glyphus, but observed that males…”
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Using a simplified field progestagen method to assess ovarian activity in female African elephants
Published in Biological conservation (01-08-2011)“…► Field progestagen enzymeimmunoassay was validated on African elephant feces. ► Pregnant elephants had higher fecal progestagens than non-pregnant females. ►…”
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Ovarian cycle activity varies with respect to age and social status in free-ranging elephants in Addo Elephant National Park, South Africa
Published in Conservation physiology (21-10-2013)“…Free-ranging African elephants live in a fission-fusion society, at the centre of which is the matriarch. Matriarchs are generally older females that guide…”
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