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Maternal contributions to pregnancy success: from gamete quality to uterine environment. The establishment and maintenance of a pregnancy that goes to term is sine qua non for the long-term sustainability of dairy and beef cattle operations. The oocyte plays a critical role in providing t... ... Repositório: BDPA Ano de publicação: 2023
Efficiency of post FTAI manegement in lacting beef cows. The study aimed evaluate the effectiveness of TAI post reproductive management in lacting beef cows. Were inseminated at fixed time, 607 Nellore multiparous with 45 days postpartum, calved in November... ... Repositório: BDPA Ano de publicação: 2016
Cryotolerance and pregnancy rates after exposure of bovine in vitro-produced embryos to forskolin and linoleic acid before vitrification. The objective of the present study was to evaluate the effects of supplementation of in vitro culture (IVC) medium with drugs that stimulates the lipolysis (Forskolin: Forsk) and inhibit the lipogenes... ... Repositório: BDPA Ano de publicação: 2016
Cervical relaxation protocol in sheep decreases Oct-4 and Nanog gene expression temporarily. Hormonal protocols aiming at dilation of the sheep cervix were developed to allow access to the uterus. Despite the proven efficacy of these protocols, little is known about these drugs used on embryo... ... Repositório: BDPA Ano de publicação: 2020
Cervical relaxation protocol without estradiol benzoate is efficient to allow transcervical uterine flushing in Dorper ewes. This study evaluated the efficiency of non-surgical embryo recovery (NSER) with cervical relaxation protocol using different doses of estradiol benzoate (EB) in ewes. A total of 36 pluriparous Dorper... ... Repositório: BDPA Ano de publicação: 2020
Analysis of perception of risk factors for public health in the use of hormones in assisted reproduction programs in cattle. The purpose of this study was to analyze the knowledge and the risk perception of cattle farmers and veterinarians on the use of hormones used in assisted reproduction programs in cattle and to determ... ... Repositório: BDPA Ano de publicação: 2016
The hypoosmotic swelling test in fresh goat spermatozoa. The hypoosmotic swelling test (HOST) has been proved to be a good tool for evaluating the membrane integrity of spermatozoa of various domestic animals including cattle, horses, and swine. However, th... ... Repositório: BDPA Ano de publicação: 2005
Heat score accessed with aid of tail-chalk influences pregnancy rate of suckled Bos indicus beef cows subjected to P4/estradiol TAI-based protocols. It is known that cows that express estrus submitted to TAI protocols, have better pregnancy rates (Borges et al. 2011). So the goal was to test alternative to visual estrus observation, evaluating the... ... Repositório: BDPA Ano de publicação: 2016
Association of controlled light program, cloprostenol and gonadotropins for synchronous estrus induction and fixed time artificial insemination in dairy goats during the non-breeding season: preliminary results. Animal preparation prior to artificial insemination (AI) in goats usually involves a combination of intravaginal devices containing progesterone/progestagens plus PGF2?? analogues and gonadotropins, b... ... Repositório: BDPA Ano de publicação: 2020
Is the ovarian vascularization correlated with superovulatory response and in vivo embryo production in native brazilian sheep? The use of color Doppler ultrasonography in multiple ovulation and embryo transfer (MOET) protocols for sheep allows the real?time monitoring of ovarian blood flow and potentially can be a tool to pre... ... Repositório: BDPA Ano de publicação: 2020

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