Reducing stress and stereotypic behaviors in captive female pygmy slow lorises (Nycticebus pygmeaus)

Authors: Josue Alejandro, Yumi Yamanashi, Kei Nemoto, Keiko Mouri, Ching-wen Huang, Fred B. Bercovitch, Michael A. Huffman

Publication/Journal: American Journal of Primatology

Keywords: all-female groups, animal welfare, fecal glucocorticoids, social housing, stereotypic behaviors, Xanthonycticebus

2023

Social relationships among captive male pygmy slow lorises (Nycticebus pygmaeus): Is forming male same‐sex pairs a feasible management strategy?

Authors: Yumi Yamanashi, Kei Nemoto, Josue Alejandro

Publication/Journal: American Journal of Primatology

Keywords: affiliative, aggression, fecal glucocorticoid metabolite, management strategies, same-sex grouping, slow loris, social group

2021

Sleep-related behaviors in zoo-housed giraffes (Giraffa camelopardalis reticulata): Basic characteristics and effects of season and parturition

Authors: N. Takagi, M. Saito, H. Ito, M. Tanaka, Y. Yamanashi

Publication/Journal: Zoo Biology

Keywords: behavior, giraffe, paradoxical sleep, parturition, season, sleep

2019

Effects of Relocation and Individual and Environmental Factors on the Long-Term Stress Levels in Captive Chimpanzees (Pan troglodytes): Monitoring Hair Cortisol and Behaviors

Authors: Y. Yamanashi, M. Teramoto, N. Morimura, S. Hirata, M. Inoue-Murayama, G. Idani

Publication/Journal: Plos One

Keywords: chimpanzee, hair cortisol, relocation, stress

2016

Assessing the effects of cognitive experiments on the welfare of captive chimpanzees (Pan troglodytes) by direct comparison of activity budget between wild and captive chimpanzees

Authors: Yumi Yamanashi, Misato Hayashi

Publication/Journal: American Journal of Primatology

Keywords: activity budgets, chimpanzees, cognitive experiments, welfare, wild-captive comparison.

2011