1999
DOI: 10.1016/s0093-691x(99)00019-9
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The time interval between FSH administration and ovarian aspiration influences the development of cattle oocytes

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Cited by 86 publications
(52 citation statements)
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“…4), com maior percentagem de oócitos classificados como de grau I e menor de oócitos degenerados (P<0,05). Resultados semelhantes foram observados por Blondin et al (1996), Goodhand et al (1999), Roth et al (2002) e Faber et al (2003. Apesar da morfologia do cumulus não permitir a discriminação entre oócitos competentes e incompetentes, a remoção artificial das células do cumulus demonstra que a presença dessas células é necessária para a maioria dos oócitos expressar a competência (Leibfried-Rutledge et al, 1989).…”
Section: Resultsunclassified
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“…4), com maior percentagem de oócitos classificados como de grau I e menor de oócitos degenerados (P<0,05). Resultados semelhantes foram observados por Blondin et al (1996), Goodhand et al (1999), Roth et al (2002) e Faber et al (2003. Apesar da morfologia do cumulus não permitir a discriminação entre oócitos competentes e incompetentes, a remoção artificial das células do cumulus demonstra que a presença dessas células é necessária para a maioria dos oócitos expressar a competência (Leibfried-Rutledge et al, 1989).…”
Section: Resultsunclassified
“…3). Assim, o uso de FSH pode ter melhorado a qualidade morfológica dos oócitos por diminuir a população de folículos atrésicos (Blondin et al, 1996) e aumentar o diâmetro folicular.…”
Section: Resultsunclassified
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“…Our group has previously demonstrated that repeated superovulation treatments with this protocol can induce high concentrations of anti-eCG antibodies in a variable percentage of ewes (Forcada et al, 2011a); such immunological response has been associated with a lack or delay in oestrus and preovulatory surge of LH and subsequent impaired after natural mating (Forcada et al, 2011a). On the other hand, it has been demonstrated that high FSH doses at the beginning of the superovulatory treatment are detrimental on oocyte competence (Berlinguer et al, 2004); those high first doses can induce a rapid abnormal follicular development and asynchrony between growing follicles and follicular status (Blondin et al, 1996), because a plateau phase is necessary to complete oocyte capacitation (Sirard et al, 1999). Although in the present experiment oocytes were not recovered in the oestrus induced by the superovulatory treatments but 7 days later, it is possible that the detrimental effects of high FSH levels at the beginning of the superovulatory treatment can also affect the subsequent follicular phase.…”
Section: Introductionmentioning
confidence: 99%