ACTHにより誘発した卵胞嚢腫牛のエストラジオールに対するLH分泌反応の欠如
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概要
- 論文の詳細を見る
The aim of the present study was to examine the LH response to exogenous estradiol in 4 heifers with ACTH-induced ovarian follicular cysts. During the control experiment, administration of estradiol 24 hr after PGF_<2α> in Iuteal phase heifers resulted in a LH response in all 4 heifers. The LH response was obtained between 16-20 hr after estradiol administration. The peak LH concentration (Mean ± SEM; 5.1 ± 0.8 ng/ml) during the control study was significantly different (P < 0.05) from the concentration after cyst formation. None of the 4 heifers responded to estradiol after ovarian cyst formation. This result suggests that heifers with ACTH-induced ovarian follicular cysts may have a defective hypothalamio-pituitary response to exogenous estradiol similar to cows with spontaneous ovarian cysts.
- 社団法人日本獣医学会の論文
- 1999-08-25
著者
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Zhang W‐c
Rakuno Gakuen Univ. Ebetsu Jpn
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Zhang Wen
Department Of Neurology Graduate School Of Medicine And Dentistry Okayama Univeristy
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Nakada K
Department Of Large Animal Clinical Sciences Graduate School Of Veterinary Medicine Rakuno Gakuen Un
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Nakada Ken
Department Of Large Animal Clinical Sciences School Of Veterinary Medicine Rakuno Gakuen University
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中田 健
Department of Veterinary Obstetrics and Gynecology, School of Veterinary Medicine, Rakuno Gakuen Uni
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田中 義信
酪農学園大学獣医学部
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Nakada Ken
Department Of Large Animal Clinical Sciences Graduate School Of Veterinary Medicine Rakuno Gakuen Un
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MORIYOSHI Masaharu
Department of Veterinary Obstetrics and Gynecology, School of Veterinary Medicine, Rakuno Gakuen Uni
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RIBADU Abdullahi
School of Veterinary Medicine, Rakuno Gakuen University
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RIBADU Abdullahi
Department of Veterinary Obstetrics & Gynecology, Rakuno Gakuen University
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TANAKA Yoshinobu
Department of Veterinary Obstetrics & Gynecology, Rakuno Gakuen University
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NAKAO Toshihiko
Department of Veterinary Obstetrics & Gynecology, Rakuno Gakuen University
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Nakao T
Rakuno Gakuen Univ. Ebetsu Jpn
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Zhang Wen
Department Of Chemistry East China Normal University
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Tanaka Y
School Of Veterinary Medicine Rakuno Gakuen University
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Nakano T
Hiroshima Univ. Hiroshima Jpn
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Ribadu A
School Of Veterinary Medicine Rakuno Gakuen University
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Moriyoshi M
Department Of Large Animal Clinical Sciences Graduate School Of Veterinary Medicine Rakuno Gakuen Un
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Moriyoshi Masaharu
Department Of Veterinary Obstetrics And Gynecology Faculty Of Veterinary Medicine Rakuno Gakuen Univ
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Nakao Toshihiko
Department Of Veterinary Medicine Faculty Of Agriculture Yamaguchi University
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田中 義信
酪農学園大学獣医学専攻博士課程
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Tanaka Yoshinobu
Department Of Removable Prosthodontics School Of Dentistry Aichi-gakuin University
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田中 義信
Department of Veterinary Obstetrics & Gynecology, Rakuno Gakuen University
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Moriyoshi Masaharu
Department of Large Animal Clinical Sciences, Graduate School of Veterinary Medicine, Rakuno Gakuen University
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NAKAO Toshihiko
Department of Animal Science, Graduate School for International Development and Cooperation (IDEC), Hiroshima University
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