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Title: Semen characteristics and sperm morphology of serow (Capricornis sumatraensis)
Authors: A. Suwanpugdee
K. Kornkeawrat
K. Saikhun
B. Siriaroonrat
W. Tipkantha
K. Doungsa-ard
M. Sa-ardrit
P. Suthunmapinatha
A. Pinyopummin
Kasetsart University
Thaksin University
The Institute of Science and Technology for Research and Development, Mahidol University
Zoological Park Organization, Bangkok
Zoological Park Organization
Mahidol University
Keywords: Agricultural and Biological Sciences;Veterinary
Issue Date: 1-Mar-2009
Citation: Theriogenology. Vol.71, No.4 (2009), 576-585
Abstract: The serow (Capricornis sumatraensis) is a critically endangered species. The objectives of this study were to evaluate ejaculate quality in captive males, and to investigate and characterize sperm morphology. Semen was collected using electroejaculation. Mean (±S.D.) seminal characteristics were: semen volume 2.3 ± 0.8 mL, pH 7.8 ± 0.4, and osmolality 329.9 ± 32.9 mOsmol/kg; sperm concentration 515.8 ± 263.1 × 106cells/mL; wave motion score (1-5) 3.9 ± 0.4; motile sperm 60.5 ± 22%; viable sperm 68.3 ± 9.4%; morphologically normal sperm 70.8 ± 19.3%; and an opacity that was yellowish to milky-white. Sperm head length, width, degree of elongation, area, and perimeter were 6.0 ± 0.6 μm, 4.3 ± 0.3 μm, 71.7 ± 8.6%, 19.8 ± 2.5 μm2, and 17.9 ± 2.1 μm. Based on these measurements, we categorized sperm head morphometry as small, medium, or large. In addition, sperm morphology was examined by light and scanning electron microscopy; overall, morphologically normal and abnormal sperm were similar to those reported for other bovidae. In summary, this study provided baseline data regarding semen characteristics of C. sumatraensis, which should be of value in the preservation of this endangered species. © 2009 Elsevier Inc. All rights reserved.
ISSN: 0093691X
Appears in Collections:Scopus 2006-2010

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