• Social influences on the estrous cycle of the captive sun bear (Helarctos Malayanus): Sun bear social influences

      Frederick, Cheryl; Hunt, Kathleen; Kyes, Randall; Collins, Darin; Durrant, Barbara S.; Ha, James; Wasser, Samuel K. (2013)
      We examined the potential influences of existing social housing arrangements on captive sun bear female reproductive cycling. Three social conditions were studied: 1.2, 1.1, and 0.2. Fecal hormone metabolites of total estrogens, progestins and glucocorticoids were compared between the three social conditions and were analyzed along with vaginal cytology data in individuals that experienced a change in social condition....