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The role of prostaglandin F2a on ovulation and LH release in cows. Author(s): CASTRO, N. A. de; LEONARDI, C. E. P.; SINGH, J.; SCHNEIDER, A.; GONÇALVES, P. B.; OLIVEIRA, F. C.; D'ÁVILA, C. A.; FERREIRA, R.; GASPERIN, B. G.; MOREIRA, E. M.; ANDRADE, J. de S.; PFEIFER, L. F. M. This study aimed to evaluate the role of prostaglandin F2a (PGF) on ovulation. In Experiment 1, cows were randomly allocated to two treatments to receive 150 ug of d-Cloprostenol (PGF Group, n = 12) o... ... Repository: BDPA Publication year: 2021
Prostaglandin E2 induces ovulation in prepubertal mice. Author(s): ANDRADE, J. de S.; ZULIAN, J. P.; SINGH, J.; SETÚBAL, S. da S.; SILVA, R. R. da; SCHNEIDER, A.; PFEIFER, L. F. M. The objective of this study was to determine the ability of prostaglandin E2 (PGE2) to induce ovulation and expression of PGE2 receptor (EP2 and EP4) and COX genes (COX-1 and COX-2) in the ovary and p... ... Repository: BDPA Publication year: 2021
Vaginal cytology as a tool to predict the time of ovulation in goats and sheep. Author(s): FONSECA, J. F. da The detection of ovulation is of great importance for the use of reproductive biotechnologies in small ruminants. The ovulation is efficiently determined by ultrasound (US), equipment that is not alwa... ... Repository: BDPA Publication year: 2018
Duration of estrus and time of ovulation in superovulated Santa Inês ewes. Author(s): LIMA, J. T. M.; FONSECA, J. F. da; ESTEVES, L. V.; PENEIRAS, A. B. V.; LIMA, M. S. D.; BRANDÃO, F. Z. Abstract: The aim of this study was to determine the intervals between sponge removal and the onset of estrus, sponge removal and the first detected ovulation, and onset of estrus and the first ovulat... ... Repository: BDPA Publication year: 2013
Effects of GnRH administration on ovulation and fertility in ewes subjected to estrous synchronization. Author(s): CAVALCANTI, A. dos S.; BRANDÃO, F. Z.; NOGUEIRA, L. A. G.; FONSECA, J. F. da Abstract: The objective of this study was to verify the effects of GnRH on ovulation and pregnancy of ewes subjected to a short-term synchronization of estrus. Santa Inês and crossbred Santa Inês/Dorp... ... Repository: BDPA Publication year: 2012
Anticipation of estrus and ovulation in Nelore heifers with low antral follicle count. Author(s): PFEIFER, L. F. M. This study aimed to establish the relationship between antral follicle count (AFC), the time of puberty, and ovarian response in Nelore heifers subjected to timed-AI (TAI) protocols. Prepubescent Nelo... ... Repository: BDPA Publication year: 2022
GnRH potential to synchronize follicular emergence and ovulation prior to superovulatory day 0 protocol in sheep. Author(s): SOUZA-FABJAN, J. M. G.; BALARO, M. F. A.; BARBOSA, T. G. B.; FONSECA, J. F. da; FIGUEIRA, L. M.; TEIXEIRA, T. A.; CARVALHEIRA, L. R.; BRANDÃO, F. Z. The role of GnRH to synchronize ovulation and follicular emergence previous to superovulatory protocol, started on the first day of the estrous cycle (Day 0), was assessed in Santa Inês ewes. For estr... ... Repository: BDPA Publication year: 2015
Effects of two d-cloprostenol administrations given at different intervals on estrus and ovulation in cyclic dairy goats. Author(s): FONSECA, J. F. da Abstract: Goats are seasonal breeders depending on breed and latitude. Among the hormonal methods used in controlled reproduction programs, there are those that mimic the activity of the corpus luteum... ... Repository: BDPA Publication year: 2019
Time to inoculation of ovules for the in vitro grapevine embryo rescue. Author(s): CUNHA, M. A. C. da; AMORIM, M. R.; MELO, N. F. de; LEAO, P. C. de S. The objective of this study was to evaluate time to inoculation of grape ovules to increase the efficiency of the method of vine embryo rescue. Repository: BDPA Publication year: 2022
GID1 expression is associated with ovule development of sexual and apomictic plants. Author(s): FERREIRA, L. G.; DUSI, D. M. de A.; IRSIGLER, A. S. T.; GOMES, A. C. M. M.; MENDES, M. A.; CARNEIRO, V. T. de C. Repository: BDPA Publication year: 2018

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