Effect of luteal blood flow and number of corpora lutea on the pregnancy rate after fixedtime embryo transfer of cryopreserved embryos in Lacaune recipients evaluated by Color Doppler ultrasonography.
2020
FIGUEIRA, L. M. | ALVES, N. G. | LUCAS, F. A. | SOUZA-FABJAN, J. M. G. | BATISTA, R. I. T. P. | ARRAIS, A. M. | VERGANI, G. B. | PRATES, J. F. | FONSECA, J. F. da
Portuguese. Edição dos resumos do XXIII Congresso Brasileiro de Reprodução Animal, Gramado, RS, Brasil, 15 a 17 de maio 2019.
Show more [+] Less [-]English. Abstract: The Doppler ultrasonography allows the characterization of blood flow and estimation of the functionality of reproductive organs. Therefore, it shows a great potential for use in multiple ovulation and embryo transfer (MOET) programs in ruminants. This study aimed to assess the effect of luteal blood flow and number of corpora lutea (CL) at the moment of embryo transfer to recipient on the establishment of pregnancy in sheep. In conclusion, both the subjective luteal blood flow and the number of CL did not influence the pregnancy rate in recipients of the Lacaune breed. [Efeito do fluxo sanguíneo luteal e número de corpos lúteos na taxa de gestação após transferência em tempo fixo de embriões criopreservados em receptoras Lacaune avaliadas por ultrassonografia com Doppler Colorido].
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