Evaluation of the stress state based on fecal corticosterone metabolite concentrations in captive penguins in Japan

Authors: Megumi Itoh, Misato Kitahara, Nanako Sawayama, Naoya Matsumoto, Takahito Toyotome, Kazutaka Yamada

Publication/Journal: Journal of Veterinary Medical Science

Keywords: captive penguin, diseased individual, fecal corticosterone metabolite, hot season, molting period

2024

Nationwide Survey about the Occurrence of Aspergillosis in Captive Penguins in Zoos and Aquariums in Japan

Authors: Megumi Itoh, Naoya Matsumoto, Kyogo Hagino, Nanako Sawayama, Miki Kuwayama, Kazutaka Yamada, Takahito Toyotome

Publication/Journal: Animals

Keywords: aspergillosis, Japan Association of Zoos and Aquariums, penguin, soil, survey

2023

Daytime mother–calf relationships in reticulated giraffes (Giraffa cameloparadalis reticulate) at the Kyoto City Zoo

Authors: Masayuki Nakamichi, Chisa Murata, Ryo Eto, Naoko Takagi, Kazunori Yamada

Publication/Journal: Zoo Biology

Keywords: captive giraffes, development, mother–calf relationships, proximity, suckling, weaning

2015

Organizational effects of estrogen on male-type vulnerability to early weaning

Authors: Takefumi Kikusui, Yuko Shimokawa, Natsumi Kanbara, Miho Nagasawa, Kazutaka Mogi

Publication/Journal: Hormones and Behavior

Keywords: early weaning, estrogen, gonadal hormones, perinatal sexual organization, vulnerability to stress

2013

Urinary oxytocin as a noninvasive biomarker of positive emotion in dogs

Authors: Shohei Mitsui, Mariko Yamamoto, Miho Nagasawa, Kazutaka Mogi, Takefumi Kikusui, Nobuyo Ohtani, Mitsuaki Ohta

Publication/Journal: Hormones and Behavior

Keywords: dog, positive emotion, radioimmunoassay, urinary oxytocin (ot)

2011

Blood coagulation profile of the Asian elephant (Elephas maximus)

Authors: P. A. Gentry, M. L. Ross, M. Yamada

Publication/Journal: Zoo Biology

Keywords: blood coagulation, elephant, hemostasis

1996

The use of artificial turf as a foraging substrate for individually housed rhesus monkeys (Macaca mulatta)

Authors: K. Bayne, S. Dexter, H. Mainzer, C. McCully, G. Campbell, F. Yamada

Publication/Journal: Animal Welfare

Keywords: animal welfare, environmental enrichment, psychological well-being

1992

Reproductive parameters of clouded leopards (Neofelis nebulosa)

Authors: Joan K. Yamada, Barbara S. Durrant

Publication/Journal: Zoo Biology

Keywords: estrous cycle, seasonality, sexual maturity

1989