Journal of Equine Science
Online ISSN : 1347-7501
Print ISSN : 1340-3516
ISSN-L : 1340-3516
Volume 21 , Issue 1
Showing 1-2 articles out of 2 articles from the selected issue
ORIGINAL ARTICLE
  • Maria Federica TROMBETTA, Pier Attilio ACCORSI, Adalberto FALASCHINI
    Type: -Original-
    2010 Volume 21 Issue 1 Pages 1-6
    Published: 2010
    Released: April 21, 2010
    JOURNALS FREE ACCESS
    When the mare's estrous cycle resumes in winter, the β-carotene content of hay is depleted. Sixty Italian trotter mares were randomly assigned to a Control or a Treated Group. Treated Group received 1g/d synthetic β-carotene for 15 days from parturition. Blood samples collected at parturition and on days 5, 10 and 15 after partum were analysed for β-carotene, vitamins A, progesterone, 17 β-estradiol, the energy parameters (glucose, cholesterol, NEFA), the protein profile (total protein, albumin, urea) and LDH. Some changes in these measures were attributable to treatment, which significantly affected β-carotene and 17 β-estradiol concentrations. A significant effect was also found on the resumption of estrous activity (χ2 test=P<0.052).
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Case Report
  • Kazumichi KODAIRA, Masanori MURANAKA, Yuji NAITO, Hirotaka ODE, Kazuom ...
    Type: -Case Report-
    2010 Volume 21 Issue 1 Pages 7-10
    Published: 2010
    Released: April 21, 2010
    JOURNALS FREE ACCESS
    A 1-year-old male thoroughbred racehorse experienced swelling of the left upper lip. The swelling was attributable to enlargement around the incisive bone of the interdental space posterior to the third incisor in the left maxilla. Even after two operations to reduce the bulk of the mass, it continued to increase in size. Dyspnea caused by stenosis of the nasal cavity forced us to perform euthanasia, and a pathological examination was conducted. Macroscopic examination of a section of the mass revealed the formation of multiple areas of solid fibrous tissue, and trabeculae within the incisive bone which had displaced the cortical bone. On histology, the mass was composed of trabecular bone-like structures due to the proliferation and aggregation of fibroblasts. Therefore, we diagnosed it as an ossifying fibroma. Equine ossifying fibroma is characterized by development in the mandible, but was formed in the maxilla in this case. Equine ossifying fibroma has not been reported previously in Japan. This is the first case of equine ossifying fibroma identified in Japan.
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