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In vitro production of bovine thermotolerant embryos. Repository: BDPA Publication year: 2019
The use of exogenous progesterone in sheep superovulation protocols influences the percentage of viable embryos. Author(s): FONSECA, J. F. da The success of multiple ovulation and embryo transfer strongly depends on superovulatory protocols (SOV) success which has shown inconstant. SOV protocols have used different sources of progestogen wi... ... Repository: BDPA Publication year: 2020
Cervical transposition test at estrus as a tool to select ewes for transcervical embryo collection. Author(s): FONSECA, J. F. da The use of multiple ovulation and embryo transfer (MOET) program in sheep is limited by anatomical particularities of ovine cervix, making non-surgical embryo collection method (transcervical) more di... ... Repository: BDPA Publication year: 2018
Superovulation and transcervical embryo recovery in Lacaune ewes raised under tropical conditions. Author(s): SOUZA, G. N. de; FONSECA, J. F. da This study assessed two superovulatory treatments and the feasibility of transcervical embryo recovery in Lacaune ewes. Ewes (n=23) received medroxyprogesterone acetate sponges (60mg, Progespon®, Synt... ... Repository: BDPA Publication year: 2018
Factors influencing in vitro embryo production. In vitro embryo production (IVP) is currently one of the most important biotechnologies in cattle breeding and husbandry. However, the efficiency of in vitro embryo production is still low with only 3... ... Repository: BDPA Publication year: 2006
Is the ovarian vascularization correlated with superovulatory response and in vivo embryo production in native brazilian sheep? Author(s): SILVA, K. de M.; MONTEIRO, A. W. U.; RAMOS, A. F.; FONSECA, J. F. da 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... ... Repository: BDPA Publication year: 2020
Maternal breed influence in Holstein-Gyr reciprocal F1 embryos. Author(s): OLIVEIRA, C. S.; FREITAS, C. de; IGUMA, L. T.; CAMARGO, L. S. de A.; VERNEQUE, R. da S. Repository: BDPA Publication year: 2017
Comparison of stress and animal welfare caused by the procedures of embryo collection by either surgical or non-surgical via in sheep. Author(s): FONSECA, J. F. da In ovine species, embryo collection is commonly done by laparotomy (LP). However, this technique promotes adhesions in the reproductive organs leading to fertility impairment and affecting animal welf... ... Repository: BDPA Publication year: 2018
Effect of cyclic adenosine monophosphate modulators during oocyte in vitro maturation on bovine embryos (Gyr x Holstein) quality. Author(s): OLIVEIRA, C. S. Repository: BDPA Publication year: 2016
Improving postcryopreservation survival capacity: an embryo-focused approach. The major challenge for a greater dissemination of in vitro produced (IVP) bovine embryos is to improve embryonic survival after cryopreservation. The involvement of embryonic lipids on this issue is... ... Repository: BDPA Publication year: 2013

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