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

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

Lactation-associated infertility in Japanese monkeys (Macaca fuscata) during the breeding season

Authors: Masahiro Kondo, Hisashi Kishi, Chihiro Kojima, Wanzhu Jin, Juri Suzuki, Keiko Shimizu, Mariko Itoh, Satoshi Ohkura, Hiroko Tsukamura, Kei-Ichiro Maeda, Gen Watanabe, Kazuyoshi Taya

Publication/Journal: Zoo Biology

Keywords: cortisol, estradiol-17β, gonadotropin, inhibin, lactation, progesterone, suckling

2003