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Ácido ascórbico na produção in vitro de embriões bovinos
(Universidade Federal de Santa Maria, 2008-11-17)
In vitro cultured bovine embryos are susceptible to oxidative stress caused by
high oxygen concentration, that contributes to free radicals formation. Therefore,
antioxidant defense systems are needed to neutralize the ...
Ácidos graxos não esterificados (NEFAs) e beta-hidroxibutirato (BHBA) na regulação da foliculogênese e epigenética das células endometriais
(Universidade Federal de Santa Maria, 2020-02-10)
Dairy cows milk production has increased over the past decades as a result of intense genetic
selection. However, the advances in genetic selection of dairy herds did not come with an
improvement of reproductive parameters. ...
Regulação epigenética no desenvolvimento embrionário inicial e reprogramação celular na clonagem por transferência nuclear
(Universidade Federal de Santa Maria, 2019-02-13)
Recent studies highlight the role of epigenetic changes during reproductive events, from the
formation of gametes to fertilization and early embryo development. In these processes, a dynamic
epigenetic regulation is ...