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Relationships Between Winter Social Dominance Hierarchies and Immune Function in the Black-Capped Chickadee

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Stewart, Emily Claire
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Relationships Between Winter Social Dominance Hierarchies and Immune Function in the Black-Capped Chickadee.pdf (956.5Kb)
Abstract
social species, dominance rank has implications for an individual’s health and fitness. Dominant individuals often receive greater access to resources, protection from predators, higher quality territories, and increased reproductive success. Because of these advantages, dominance rank could affect physiological systems such as immunity. In this thesis, I discuss two studies that examine the relationship between social dominance and innate immune function using black-­‐ capped chickadees (Poecile atricapillus). In the field, we found that in males, a high dominance score was correlated with low immune function in the fall. In captivity, we gave an immune challenge in the form of a lipolysaccharide (LPS) injection to the top-­‐ranked individual in each flock and observed changes in dominance behavior. LPS provided a significant energetic cost but did not alter dominance behavior. These results indicate a potential trade-­‐off between dominance and immunity, and shows that a short-­‐term illness may not negatively affect rank.
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https://hdl.handle.net/10365/27640
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Student Focused, Land Grant, Research Institution

  • Campus Map
    • Campus Map (pdf)
    • Building list
    • Campus Offices
  • Equity
  • Employment
  • Phone/Email Directory
  • Online Services
    • Blackboard
    • One Stop
    • Campus Connection
    • IT Help Desk
    • Libraries
    • Email
    • Student Success Collaborative
  • Registration And Records
    • Course Schedule
    • Dates and Deadlines
North Dakota State University - Libraries
Circulation: (701) 231-8888 | Reference: (701) 231-8886
Administration: (701) 231-8753
Main Library address: 1201 Albrecht Boulevard
Mailing address: Dept #2080 PO Box 6050, Fargo, ND 58108-6050
Site manager: Site manager
Contact Us | Send Feedback