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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/22242
Title: In vitro maturation and fertilization of swamp buffalo oocytes and their subsequent development
Authors: K. Pavasuthipaisit
Y. Kitiyanant
C. Thonabulsombat
C. Tocharus
S. Sriurairatna
K. L. White
Mahidol University
University Logan
Keywords: Agricultural and Biological Sciences;Veterinary
Issue Date: 1-Jan-1992
Citation: Theriogenology. Vol.38, No.3 (1992), 545-555
Abstract: The present experiment was carried out to evaluate the maturation, fertilization and subsequent embryo culture of swamp buffalo oocytes in vitro. The oocytes (n=273) were collected and morphologically graded based on the structure of cumulus-oocyte complexes as Grade 1 (compact, n=81), Grade 2 (expanded, n=70), Grade 3 (partially denuded, n=65) or Grade 4 (completely denuded, n=57). More than 60% of the in vitro matured oocytes co-cultured with capacitated spermatozoa demonstrated evidence of fertilization or cleavage to the 2-cell stage when either Grade 1 or 2 oocytes were used. The percentage of fertilized oocytes undergoing 2-cell stage cleavages from Grade 3 (53%) and Grade 4 (46%) groups was significantly lower (P<0.01) than that observed in the Grade 1 (64%) and Grade 2 (68%) groups. Development to the 6 to 8 cell stage substantiated fertilization of Grade 1 and 2 oocytes. These results demonstrated that swamp buffalo oocytes are capable of maturing in vitro, forming embryos, and developing at least to the 8-cell stage in culture medium alone. © 1992.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=38249010277&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/22242
ISSN: 0093691X
Appears in Collections:Scopus 1991-2000

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