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Ultrasonographic examination of equine fetal growth parameters throughout gestation in pony for Equine-Assisted Therapy

By Y. Gao, M. A. Hannan, K. Murata, R. Rajabi-Toustani, Y. Nambo

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Abstract

Equine-Assisted Therapy (EAT) is gaining popularity. Ultrasound examination is used to decrease the abortion rate in horses. In this study, to monitor fetal well-being throughout the gestation for EAT, we measured fetal heart rate (FHR), fetal eye orbit (FEO), fetal gonad length (FGL), fetal kidney length (FKL), and the combined thickness of the uterus and placenta (CTUP) by ultrasonography in pony mares. Additionally, we measured the plasma progesterone (P(4)) and estradiol (E(2)) concentrations in pregnant horses using enzyme immunoassay. The FGL peaked at week 32 and then decreased to term, and a strong correlation (r=0.72, P

Publication Title J Vet Med Sci
Volume 84
Issue 1
Pages 74-81
ISBN/ISSN 0916-7250
DOI 10.1292/jvms.21-0301
Author Address Department of Clinical Veterinary Sciences, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan.Faculty of Veterinary, Animal and Biomedical Sciences, Khulna Agricultural University, Khulna, Bangladesh.United Graduate School of Veterinary Sciences, Gifu University, Gifu 501-1193, Japan.
Additional Language English
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Tags
  1. Animals
  2. Birth
  3. Females
  4. Hippotherapy
  5. Hormones
  6. Horses
  7. open access
  8. placenta
  9. ponies
  10. pregnancy
  11. Ultrasound
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  1. open access