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Life Sciences

University of Tennessee, Knoxville

2010

Stress

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Effect Of Social Status On Behavioral And Neural Response To Stress, Daniel W. Curry, Kathleen E. Morrison, Matthew A. Cooper Dec 2010

Effect Of Social Status On Behavioral And Neural Response To Stress, Daniel W. Curry, Kathleen E. Morrison, Matthew A. Cooper

Chancellor’s Honors Program Projects

No abstract provided.


The Effects Of Weaning Strategy On The Physiology And Performance Of Beef Calves, Cristina Campistol Dec 2010

The Effects Of Weaning Strategy On The Physiology And Performance Of Beef Calves, Cristina Campistol

Masters Theses

Two experiments examined growth performance and physiological measures of stress in pre- and postweaned Angus steers (313 ± 24.5 kg; n = 48/Exp.), where steers were fitted with (YD) or without (ND) an anti-suckling device (Exp. 1), or provided (YS) or not provided (NS) a grain supplement (Exp. 2) for 7 d and weaned by fenceline (FS) or total separation (TS). Steers in Exp. 1 were weighed and bled on d 0, 3, 7 10, 14, 21, and 42, and in Exp. 2, on d 0, 7, 10, 14, and 21 and provided a grain supplement on d 7-21. In …


Effect Of Social Status On Behavioral And Neural Response To Stress, Daniel W. Curry, Kathleen E. Morrison, Matthew A. Cooper Oct 2010

Effect Of Social Status On Behavioral And Neural Response To Stress, Daniel W. Curry, Kathleen E. Morrison, Matthew A. Cooper

Senior Thesis Projects, 2009

Individuals respond differently to traumatic stress. Social status, which plays a key role in how animals experience and interact with their social environment, may influence how individuals respond to stressors. In this study, we used a conditioned defeat model to investigate whether social status alters susceptibility to the behavioral and neural consequences of traumatic stress. Conditioned defeat is a model in Syrian hamsters in which an acute social defeat encounter results in a long term increase in submissive behavior and a loss of normal territorial aggression. To establish social status, we weight matched and paired Syrian hamsters in daily aggressive …