The in vitro developmental competence of bovine oocytes can be related to the morphology of the ovary
Articolo
Data di Pubblicazione:
1997
Citazione:
The in vitro developmental competence of bovine oocytes can be related to the morphology of the ovary / F. Gandolfi, A. M. Luciano, S. Modina, A. Ponzini, P. Pocar, D. T. Armstrong, A. Lauria. - In: THERIOGENOLOGY. - ISSN 0093-691X. - 48:7(1997 Nov), pp. 1153-1160. [10.1016/S0093-691X(97)00348-8]
Abstract:
This study was designed to assess whether the developmental potential of bovine cumulus-oocyte complexes (COCs) could be related to the morphology of their originating ovary, providing a simple, noninvasive and objective selection criterion. Ovaries were divided into 3 categories on the basis of: A) presence of a follicle > 10 mm in diameter, B) presence of more than 10 follicles of 2 to 5 mm in diameter and no follicles > 10 mm, and C) presence of less than 10 follicles of 2 to 5 mm in diameter and no follicles > 10 mm. The COCs, isolated from ovaries of Category C, showed lower rates of maturation and blastocyst formation than those from Categories A and B. Moreover, blastocysts derived from Category C ovaries had fewer cells than those derived from the other 2 categories. It is concluded that ovarian morphology is a simple and noninvasive parameter for an effective selection of oocytes with better developmental competence.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
F. Gandolfi, A.M. Luciano, S. Modina, A. Ponzini, P. Pocar, D.T. Armstrong, A. Lauria
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