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Effects of hCG on progesterone concentrations and fertility in cyclic, lactating Alpine goats. Author(s): FONSECA, J. F. da; MAFFILI, V. V.; RODRIGUES, M. T.; SANTOS, A. D. F.; ROVAY, H.; PINTO NETO, A.; BRANDÃO, F. Z.; TORES, C. A. A. The objective of this study was to evaluate the effect of hCG administration on plasma progesterone concentrations in lactating Alpine goats during the natural breeding season. After detection of estr... ... Repository: BDPA Publication year: 2006
Effect of ovulatory follicle diameter and progesterone concentration on the pregnancy rate of fixed-time inseminated lactating beef cows. Author(s): PFEIFER, L. F. M.; LEAL, S. del C. B. de S.; SCHNEIDER, A.; SCHMITT, E.; CORRÊA, M. N. The objective of this study was to evaluate the influence of the ovulatory follicle diameter on the reproductive performance of lactating beef cows subjected to low progesterone fixed-time artificial... ... Repository: BDPA Publication year: 2012
Effects of equine chrionic gonadotrophin (eCG) on corpus luteum development and progesterone concentrations in Nelore cows. Author(s): VICENTE, W.; BERGAMASCHI, M. A. C. M.; VICENTE, W. R. R.; BARBOSA, R. T.; MACHADO, R.; BARUSELLI, P. S.; ALENCAR, M. M. de; BINELLI, M. This trial aimed to test eCG as an enhancer of the luteal function, as well as to evaluate the ability of eCG to delay or prevent luteolysis mechanism. A group of 32 mature, synchronized (CRESTAR@), l... ... Repository: BDPA Publication year: 2006
Endogenous Progesterone Concentrations Affect Progesterone Release from Intravaginal Devices Used for Oestrous Synchronization in Cattle. Author(s): NERI, H. L.; PALHAO, M. P.; COSTA, D. S.; VIANA, J. H. M.; FERNANDES, C. A. C. Repository: BDPA Publication year: 2015
Emergence day of synchronized follicular wave in ewes subjected to different doses of 17Beta-estradiol given at beginning of the progesterone protocol. Author(s): OLIVEIRA, M. E.; NOCETI, R.; CAMELA, E.; PADILHA-NAKAGHI, L.; MACIEL, G.; RODRIGUEZ, M.; FONSECA, J. F. da; VICENTE, W. Abstract: This study was designed to evaluate the effect of different doses of 17Beta-estradiol injection at the beginning of the progesterone (P4) protocol on follicular wave emergence in ewes. In co... ... Repository: BDPA Publication year: 2016
Reproductive parameters of Santa Inês ewes submitted to short-term treatment with re-used progesterone devices. Author(s): PINNA, A. E.; BRANDÃO, F. Z.; CAVALCANTI, A. S.; BORGES, A. M.; SOUZA, J. M. G.; FONSECA, J. F. da Abstract: The aim of this study was to verify the efficacy of reusing intravaginal progesterone (P4) devices on the reproductive parameters in Santa Inês ewes. Females received intravaginal P4 devices... ... Repository: BDPA Publication year: 2012
Effect of circulating progesterone on in vitro developmental competence of bovine oocytes. Author(s): PFEIFER, L. F. M.; SARTORI, R.; PIVATO, I.; RUMPF, R.; NOGUEIRA, G. P.; XAVIER, E. G.; DIONELLO, N. J. L.; CORRÊA, M. N. Repository: BDPA Publication year: 2009
Effect of injectable progesterone on follicular development in lactating beef cows treated with estradiol plus a low-concentration progesterone device. Author(s): PFEIFER, L. F. M.; MAPLETOFT, R. J.; DARDAWAL, D.; SINGH, J. The effect of injectable progesterone was evaluated along with estradiol benzoate (EB) on the fate of the dominant follicle (DF) present in the ovary at the beginning of low progesterone-based TAI pro... ... Repository: BDPA Publication year: 2018
Plasma progesterone concentrations in Toggenburg goats submitted to estrous synchronization reusing autoclaved intravaginal progesterone devices. Author(s): BRANDÃO, F. Z.; SOUZA, J. M. G.; TORRES, C. A. A.; MAIA, A. L. R. S.; DENADAI, R.; OBA, E.; FONSECA, J. F. da Abstract: The aim of this study was to evaluate plasma P4 concentration in Toggenburg goats receiving autoclaved progesterone devices for estrous synchronization. Progesterone analysis allows us to in... ... Repository: BDPA Publication year: 2011
The use of exogenous progesterone in sheep superovulation protocols influences the percentage of viable embryos. Author(s): TAIRA, A. R.; SANTOS, J. D. R.; COSENTINO, I. O.; BRAIR, V. L.; ESPÍRITO SANTO, C. G. do; PINTO, P. H. N.; SOUZA-FABJAN, J. M. G. de; FONSECA, J. F. da; UNGERFELD, R.; BRANDÃO, J. Z. 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

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