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JRA 競走馬総合研究所

トップページ > 研究室紹介 > 生産育成研究室(日高育成牧場) Equine Science Division (Hidaka Training and Research Center)


生産育成研究室(日高育成牧場) Equine Science Division (Hidaka Training and Research Center)





研究スタッフ Researcher

  • 室長Manager守山秀和Hidekazu MORIYAMA, DVM
  • 上席調査役Chief researcher松井 朗Akira MATSUI, PhD
  • 研究役Researcher琴寄泰光Yasumitsu KOTOYORI, DVM
  • 研究役Researcher村瀬晴崇Harutaka MURASE, DVM, PhD

研究課題 Research project


原著論文  Original article


Kobayashi R, Nagaoka K, Nishimura N, Koike K, Takahashi E, Niimi K, Murase M, Kinjo T, Tsukahara T, Inou R
Comparison of the fecal microbiota of two monogastric herbivorous and five omnivorous mammals
Anim Sci J 91, e13366, 2020 [PubMed]

Fedorka CE, Murase H, Loux C, Loynachan AT, Walker OF, Squires EL, Ball BA, Troedsson MHT
The effect of mycobacterium cell wall fraction on histological, immunological, and clinical parameters of postpartum involution in the mare
J Equine Vet Sci 90,103013, 2020 [PubMed]


Fawcett JA, Sato F, Sakamoto T, Iwasaki WM, Tozaki T, Innan H
Genome-wide SNP analysis of Japanese Thoroughbred racehorses
PLos One 14, e0218407, 2019 [PubMed]

Munkhtool T, Murase H, Ball B, Habukawa K, Sato F, Watanabe K, Nambo Y
Immunolcalization of anti-Mullerian hormone and its receptor in granulosa cell tumors in mare
J Equine Vet Sci 74, 9-12, 2019


Takagi M, Uno S, Kokushi E, Sato F, Wijayagunawardane MMP, Fink-Gremmels J
Measurement of urinary concentrations of the mycotoxins zearalenone and sterigmatocystin as biomarkers of exposure in mares
Reprod Dom Anim 53, 68-73, 2018 [PubMed]

Kimura Y, Sasaki M, Watanabe K, Dhakal P, Sato F, Taya K, Nambo Y
Expression of activin receptors in the equine uteroplacental tissue: an immunohistochemical analysis
J Equine Sci 29, 33-37, 2018 [PubMed]

Miyata H, Itoh R, Sato F, Takebe N, Hada T, Tozaki T
Effect of myostatin SNP on muscle fiber properites in male Thoroughbred horses during training period
J Physiol Sci 68, 639-646, 2018 [PubMed]

Murase H, Matsui A, Endo Y, Sato F, Hada T
Changes of lying behavior in Thoroughbred foals influenced by age, pasturing time, and weather conditions
J Equine Sci 29, 61-66, 2018 [PubMed]


Sato F, Tanabe T, Murase H, Tominari M, Kawai M
Application of a wearable GPS unit for examining interindividual distances in a herd of Thoroughbred dams and their foals
J Equine Sci 28, 13-17, 2017 [PubMed]

Shikichi M, Iwata K, Ito K, Miyakoshi D, Murase H, Sato F, Korosue K, Nagata S, Nambo Y
Abnormal pregnancies associated with deviation in progestin and estrogen profiles in late pregnant mares: A diagnostic aid
Theriogenology 98, 75-81, 2017 [PubMed]
Murase H, Miyazawa M, Harada T, Ozawa M
Aborted fetal sizes of Thoroughbred horses in Hidaka, Japan, between 2005 and 2015
J Equine Sci 28, 47-53, 2017 [PubMed]
Tangyuenyong S, Sato F, Nambo Y, Murase H, Endo Y, Tanaka T, Nagaoka K, Watanabe G
Comparison of physical body growth and metabolic and reproductive endocrine functions between north and south climates of Japan in trained Thoroughbred yearling horses
J Equine Sci 28, 77-86, 2017 [PubMed]
Yamada K, Inui H, Itoh M, Yanagawa M, Sato F, Tominari M, Mizobe F, Kishimoto M, Sasaki N
Characteristic findings of magnetic resonance imaging (MRI) and computed tomography (CT) for chronic laminitis in a Thoroughbred horse
J Equine Sci 28, 105-110, 2017 [PubMed]
Sato F, Endo Y, Horiuchi N, Tominari M, Murase H, Ishimaru M, Korosue K
Histopathological findings of apical fracture of the proximal sesamoid bones in young Thoroughbred foals
J Equine Sci 28, 123-126, 2017 [PubMed]
Miyakoshi D, Sato F, Murase H, Inoue Y, Shikichi M, Iwata K, Okai K, Ito K, Nambo Y
Foaling rate of mares that were rebred after pregnancy loss in Hidaka, Japan
J Equine Sci 28, 159-161, 2017 [PubMed]
Satoh M, Higuchi T, Inoue S, Gotoh T, Murase H, Nambo Y
Factors affecting the prognosis for uterine torsion: the effect of treatment based on measurements of serum progesterone and estradiol concentrations after surgery
J Equine Sci 28, 163-167, 2017 [PubMed]
佐藤正人・樋口 徹・井上 哲・後藤忠広・村瀬晴崇・南保泰雄
日獣会誌 70, 37-43, 2017

日獣会誌 70, 297-302, 2017


Hori Y, Tozaki T, Nambo Y, Sato F, Ishimaru M, Inoue-Murayama M, Fujita K
Evidence for the effect of serotonin receptor 1A gene (HTR1A) polymorphism on tractability in Thoroughbred horses
Animal Genetics 47, 62-67, 2016 [PubMed]
Sato F, Tominari M, Murase H, Ishimaru M, Yusa S, Nakanishi S, Tozaki T
Verification of a pregnancy by the first mated stallion in successive estrus cycles following stallion change by DNA parentage testing
J Equine Vet Sci 39, 20-24, 2016 
Tozaki T, Sato F, Ishimaru M, Kikuchi M, Kakoi H, Hirota K, Nagata S
Sequence variants of BIEC2-808543 near LCORL are associated with body composition in Thoroughbreds under training
J Equine Sci 27, 107-114, 2016 [PubMed]
Yamada K, Sato F, Horiuchi N, Higuchi T, Kobayashi Y, Sasaki N, Nambo Y
Autopsy imaging for cardiac tamponade in a Thoroughbred foal
J Equine Sci 27, 115-118, 2016 [PubMed]
Yamada K, Sato F, Hada T, Horiuchi N, Ikeda H, Nishihara K, Sasaki N, Kobayashi Y, Nambo Y
Quantitative evaluation of cervical cord compression by computed tomographic myelography in Thoroughbred foals
J Equine Sci 27, 143-148, 2016 [PubMed]


Murase H, Saito S, Amaya T, Sato F, Ball BA, Nambo Y
Anti-Mullerian hormone as an indicator of hemi-castrated unilateral cryptorchid horses
J Equine Sci 26, 15-20, 2015 [PubMed]
Matsuu A, Hobo S, Ando K, Sanekata T, Sato F, Endo Y, Amaya T, Osaki T, Horie M, Masatani T, Ozawa M, Tsukiyama-Kohara K
Genetic and serological surveillance for non-primate hepacivirus in horses in Japan
Vet Microbiol 179, 219-227, 2015 [PubMed]
Kunii H, Nambo Y, Okano A, Matsui A, Ishimaru M, Asai Y, Sato F, Fujii K, Nagaoka K, Watanabe G, Taya K
Effects of an extended photoperiod on gonadal function and condition of hair coats in Thoroughbred colts and fillies
J Equine Sci 26, 57-66, 2015 [PubMed]
Sato F, Omura T, Ishimaru M, Endo Y, Murase H, Yamashita E
Effects of daily astaxanthin and L-carnitine supplementation for exercise-induced muscle damage in training Thoroughbred horses
J Equine Vet Sci 35, 836-842, 2015
Korosue K, Endo E, Murase H, Ishimaru M, Nambo Y, Sato F
The cross-sectional area changes in digital flexor tendons and suspensory ligament in foals by ultrasonographic examination
Equine Vet J 47, 548-552, 2015 [PubMed]
Yamada K, Sato F, Higuchi T, Nishihara K, Kayano M, Sasaki N, Nambo Y
Experimental investigation of bone mineral density in Thoroughbreds using quantitative computed tomography
J Equine Sci 26, 81-87, 2015 [PubMed]
Murase H, Niwa H, Katayama Y, Sato F, Hada T, Nambo Y
A clinical case of equine fungal placentitis with reference to hormone profiles and ultrasonography
J Equine Sci 26, 129-133, 2015 [PubMed]
Harada T, Nambo Y, Ishimaru M, Sato F, Nagaoka K, Watanabe G, Taya K
Promoting effects of an extended photoperiod treatment on the condition of hair coats and gonadal function in Thoroughbred weanlings
J Equine Sci 26, 147-150, 2015 [PubMed]

学会発表  Conference presentation


Murase H, Sccogin K, Ball B
Maternal serum and allantoic fluid concentrations of activin A in experimentally-induced equine placentitis
2019 Society for Theriogenology 2019.7

Murase H
Transcriptomic analysis of premature placental separation (red bag) in the  mare
Vet Science Seminar 2019.11

松井 朗・村瀬晴崇・遠藤祥郎・守山秀和・佐藤文夫
日本ウマ科学会第32回学術集会 2019.11


松井 朗
シンポジウム「馬を育てる -馬の心技体-」
平成29年度日本獣医師会獣医学術学会年次大会 2018.2

第161回日本獣医学会学術集会 2018.9

松井 朗・村瀬晴崇・遠藤祥郎・佐藤文夫
日本ウマ科学会第31回学術集会 2018.12


村瀬晴崇・Siriwan Tangyuenyong・渡辺 元・佐藤文夫・松井 朗・羽田哲朗・南保泰雄
平成29年度北海道地区三学会 2017.9

第160回日本獣医学会学術集会 2017.9

第160回日本獣医学会学術集会 2017.9

羽田哲朗・Khorolmaa Ch・Nyam-Osor P・Davaakhoo B・南保泰雄・梅村孝司
日本ウマ科学会第30回学術集会 2017.11

松井 朗・高橋敏之
日本ウマ科学会第30回学術集会 2017.11

ウマ繁殖分野における胎子超音波検査法およびAMH検査法 (奨励賞受賞講演)
日本ウマ科学会第30回学術集会 2017.11


村瀬晴崇・永田俊一・渡辺 元・南保泰雄
サラブレッド雌馬におけるドパミン受容体拮抗剤を用いたプロラクチン分泌 -スルピリド筋肉内投与と経口投与の比較-
第159回日本獣医学会学術集会 2016.9

松井 朗・高橋佑治・向井和隆・大村 一・高橋敏之
日本ウマ科学会第29回学術集会 2016.11

佐藤文夫・Jeffrey Fawcett・山崎洋祐・村瀬晴崇・羽田哲朗・印南秀樹
日本ウマ科学会第29回学術集会 2016.11