Yuko Maejima, Masato Aoyama, Shigeo Ookawara, Atsushi Hirao, Shoei Sugita. Distribution of the androgen receptor in the diencephalon and the pituitary gland in goats: colocalization with corticotropin releasing hormone, arginine vasopressin and corticotrophs. The Veterinary Journal. 181:193-199. 2009.
Masato Aoyama, Yuko Maejima, Toshio Suzuki, Masayuki Iigo, Shoei Sugita. Androgen suppresses corticotropin-induced increase in plasma cortisol level but enhances the increase in plasma aldosterone level in goats. The Journal of Veterinary and Medical Science. 71:281-285. 2008.
Masato Aoyama, Akihito Negishi, Akiko Abe, Yuko Maejima, Shoei Sugita. Short-term transportation in a small vehicle affects the physiological state and subsequent water consumption in goats. Animal Science Journal. 79:526-533. 2008.
Masato Aoyama, Akihito Negishi, Akiko Abe, Rie Yokoyama, Toru Ichimaru, Shoei Sugita. Physiological and behavioral effects of intracerebroventricular injection of corticotropin releasing hormone in goats. The Veterinary Journal. 177:116-123. 2008.
Yuko Maejima, Masato Aoyama, Shoei Sugita. Expression of c-fos like immunoreactive cells in the adrenal gland following transportation in goats. Small Ruminant Research. 63:162-169. 2006.
Yuko Maejima, Masato Aoyama, Noriko Kobayashi, Shoei Sugita. Adrenocorticotropic hormone-induced secretion of cortisol in goats is inhibited by androgen. Animal Science Journal. 77:87-94. 2006.
Masato Aoyama, Yuko Maejima, Satoko Keyaki, Misako Muroi, Atsushi Tohei, Shoei Sugita. Effect of androgen on plasma levels of adrenocorticotropic hormone and cortisol during transportation in goats. The Journal of Veterinary and Medical Science. 67:1109-1114. 2005.
Yuko Maejima, Masato Aoyama, Akiko Abe, Shoei Sugita. Induced expression of c-fos in the diencephalons and pituitary gland of goats following transportation. Journal of Animal Science. 83:1845-1853. 2005.
Masato Aoyama, Akihito Negishi, Akiko Abe, Yuko Maejima, Shoei Sugita. Sex differences in stress responses to transportation in goats: Effects of gonadal hormones. Animal Science Journal. 74:511-519. 2003.
Masato Aoyama, Noriko Yoshimura, Shoei Sugita, Ryo Kusunose. Effect of used bedding straw and drying it in sunshine on lying behavior in stable horses. Journal of Equine Science. 15:67-73. 2004.
Aoyama M., Komazaki Y., Sugita S., Kusunose R. Questionnaires for guessing horses emotions from their body part expressions accompanied with social behavior. Nihon Chikusan Gakkaiho. Vol. 74: 241-250. 2003. (in Japanese).
Aoyama M., Yamazaki M., Sugita S., Kusunose R. Questionnaires for guessing horses emotions from its facial expressions. Anim. Sci. J. Vol. 72: J256-J265. 2001 (in Japanese).
As Co-Author
Mohammad Lutfur Rahman, Masato Aoyama, Shoei Sugita. Regional specialization of the Ganglion cell density in the retina of the Ostrich (Struthio camelus). Animal Science Journal.(in press)
Makoto Yokosuka, Akiko Hagiwara, Toru R. Saito, Naoki Tsukahara, Masato Aoyama, Yoshihiro Wakabayashi, Shoei Sugita, Masumi Ichikawa. Histological properties of the nasal cavity and olfactory bulb of the Japanese Jungle crow Corvus macrorhynchos. Chemical Senses.(in press)
Euok Lee, Masato Aoyama, Shoei Sugita. Microstructure of the feather in Japanese Jungle Crows (Corvus macrorhynchos) with distinguishing gender difference. Internationa Anatomical Sience. 84:141-147. 2009.
Atsushi Hirao, Masato Aoyama, Shoei Sugita. The role of uropygial gland on sexual behavior in domestic chicken Gallus gallus domesticus. Behavioural Processes. 80:115-120. 2009.
Shigeru Ninomiya, Masato Aoyama, Yumiko Ujiie, Ryo Kusunose, Atustoshi Kuwano. Effects of bedding material on the lying behaviour in stabled horses. Journal of Equine Science. 19:53-56. 2008.
Mohammad Lutfur Rahman, Masato Aoyama, Shoei Sugita. Ganglion cell density and oil droplet distribution in the retina of the brown-eared bulbul (Hypsipetes amaurotis). International Anatomical Sience. 83:239-246. 2008.
Shigeru Ninomiya, Takeshi Mitsumasu, Masato Aoyama, Ryo Kusunose. A note on the effect of a palatable food reward on operant conditioning in horses. Applied Animal Behaviour Science. 108:342-347. 2007.
Mohammad Lutfur Rahman, Masato Aoyama, Shoei Sugita. Number and density of retinal photoreceptor cells with emphasis on oil droplet distribution in Mallard duck (Anas platyrhynchos var.domesticus). Animal Science Journal. 78:639-649. 2007.
Mohammad Lutfur Rahman, Masato Aoyama, Shoei Sugita. Topography of retinal photoreceptor cells in the Jungle Crow (Corvus macrorhynchos) with emphasis on the distribution of oil droplets. Ornithological Science. 2007 (in press)
Mohammad Lutfur Rahman, Masato Aoyama, Shoei Sugita. Topography of ganglion cells in the retina of the duck (Anas platyrhynchos var.domesticus). Animal Science Journal. 78:286-292. 2007.
Mohammad Lutfur Rahman, Shoko Sugita, Masato Aoyama, Shoei Sugita. Number, distribution and size of retinal ganglion cells in the jungle crow (Corvus macrorhynchos) Anatomical Science International. 81:253-259. 2006.Wei Dong Zhou, Masato Aoyama, Fumiaki Yoshizawa, Kunio Sugahara. Developmental increases in hypothalamic neuropeptide Y content with the embryonic age of meat- and layer-type chicks. Brain Research. 1072:26-29. 2006.
Ayat Elkhalil Omer, Yuko Maejima, Masato Aoyama, Hideyuki Tanaka, Shoei Sugita. Morphometric and histochemical study of involution in the rat uterus after parturition. Animal Science Journal 76:313-323. 2005.