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radioimmunoassay (Sciuridae)
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Description
Progesterone concentrations measured using radioimmunoassay with tritiated progesterone, ether extraction, and antibody binding assay. Standard curves and duplicate samples used for quantification.
Typical Equipment
- tritiated progesterone (#337, G.D. Niswender, Colorado State University, Fort Collins, CO)
- antibody at working dilution of 1:6000
- dextran-coated charcoal
- centrifuge
Output Measurements
- progesterone concentration (ng/ml)
Papers Using This Protocol (20)
article
Nonlinear phenomena in marmot alarm calls: a mechanism encoding fear?
article
Is early life adversity associated with adult stress in a wild rodent?
article
How social behaviour and life-history traits change with age and in the year prior to death in female yellow-bellied marmots
article
How do humans impact yellow-bellied marmots? An integrative analysis
article
Correlates of maternal glucocorticoid levels in a socially flexible rodent
article
Strong social relationships are associated with decreased longevity in a facultatively social mammal
student_paper
An integrative study of marmot responses to ecotourism
article
The effect of maternal glucocorticoid levels on juvenile docility in yellow-bellied marmots
article
Assessing the sensitivity of foraging and vigilance to internal state and environmental variables in yellow-bellied marmots (<i>Marmota flaviventris</i>).
student_paper
Do Social Interactions Decrease Basal Stress Levels In Breeding Female Yellow-Bellied Marmots?
student_paper
Does Stress Explain Variation in Marmot Parenting Behavior or Pup Survival?
article
Stress hormone metabolites predict overwinter survival in yellow-bellied marmots
article
Scared and less noisy: glucocorticoids are associated with alarm call entropy
article
Social attributes and associated performance measures in marmots: bigger male bullies and weakly affiliating females have higher annual reproductive success
article
Fecal glucocorticoid metabolites in wild yellow-bellied marmots: experimental validation, individual differences and ecological correlates
article
Fecal glucocorticoid metabolites in wild yellow-bellied marmots: experimental validation, individual differences and ecological correlates
article
Age and sex influence marmot antipredator behavior during periods of heightened risk
article
The evolution, function, and meaning of marmot alarm communication
article
Faecal glucocorticoid metabolites and alarm calling in free-living yellow-bellied marmots
chapter