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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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| AOKI, Takahiro; KIMURA, Yuki; OYA, Anna; CHIBA, Akiko; ISHII, Mitsuo; NAMBO, Yasuo. |
| Heavy draft mares potentially have a higher risk of suffering from postpartum fever (PF) than light breed mares. The purpose of this study was to compare hematological and biochemical features between clinically healthy mares (n=40) and PF-affected mares (n=16). Mares were classified as having PF when their rectal temperature rose to >38.5°C within 96 hr of foaling. The numbers of leukocytes, lymphocytes, and neutrophils and the serum magnesium level were significantly lower in PF-affected mares. The serum SAA and NEFA levels were significantly higher in PF-affected mares. Strong inflammation responses, fat mobilization associated with negative energy balance and possibly endotoxin participate in hematological and biochemical features of PF in heavy... |
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Palavras-chave: Biochemistry; Heavy draft horse; Hematology; Postpartum fever. |
| Ano: 2016 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4291 |
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