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| MIKI, Wataru; ONIYAMA, Hiroyuki; TAKEDA, Naomasa; KIMURA, Yuki; HANEDA, Shingo; MATSUI, Motozumi; TAYA, Kazuyoshi; NAMBO, Yasuo. |
| We observed structural changes in the follicles and uterus of heavy draft mares during estrus and examined the effect of a single injection of the gonadotropin-releasing hormone analog buserelin on ovulation and endocrine profiles. Twenty-two heavy draft mares were divided into a buserelin-treated group (n=8) and a control group (n=14). Mares were given an intramuscular injection of 40 µg buserelin when they presented signs of estrus to a teaser stallion, had ≥45 mm diameter follicles, and presented decreased uterine edema compared with the previous examination. The follicles and uterus were monitored using transrectal ultrasound imaging and measurement of blood levels of luteinizing hormone (LH), follicle-stimulating hormone (FSH), progesterone, and... |
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Palavras-chave: GnRH analog buserelin; Heavy draft mares; Ovulation; Single injection; Uterine edema. |
| Ano: 2016 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4397 |
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