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

First noncontact millimeter-wave radar measurement of heart rate in great apes: Validation in chimpanzees (Pan troglodytes)

Authors: T. Matsumoto, I. Iwata, T. Sakamoto, S. Hirata

Publication/Journal: Am J Primatol

Keywords: *Pan troglodytes/physiology, *Radar, animal welfare, animals, Electrocardiography/veterinary/instrumentation, female, heart rate, male, millimeter‐wave ultrawide‐band array radar, noncontact measurement of vital sign, stress

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

Female mate choice copying increases egg survival rate but does not reduce mate-sampling cost in the barred-chin blenny

Authors: Yukio Matsumoto, Takeshi Takegaki

Publication/Journal: Animal Behaviour

Keywords: barred-chin blenny, mate choice copying, mate sampling, nonindependent mate choice, parental care, rhabdoblennius nitidus

2013

Trade-offs between feeding and social companionship in cattle: Intra-animal consistency over short and extended periods

Authors: Masahiko Hirata, Ikuko Taketomi, Yuka Matsumoto, Shotaro Kubo

Publication/Journal: Applied Animal Behaviour Science

Keywords: feeding, intra-individual consistency, sociability, trade-off

2013