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Effects of hCG administration on different estrous cycle days on plasmatic progesterone concentration and uterine and ovarian blood flow

Abstract

Aiming to increase pregnancy rates improving the corpusl luteum functionality, leading to an increase in plasmatic progesterone concentration in cyclic mares and recipient mares, some groups have focused research on the use of drugs, such as anti-prostaglandins, progesterone, hCG and GnRH analogs such as buserelin. This experiment aims to evaluate the effects of hCG application in 3 different times during the estrous cycle (pre ovulation, on the day of ovulation and five days post ovulation) on uterine and ovarian blood flow, uterine and cervical tone and utrine and corpus luteum morphoechogenicity and progesterone plasmatic concentration. Data will be submitted to variance analysis (PROC GLM), using SAS program (1999(. Hypothesis tested will be considered significant when P < 0.05. (AU)

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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ALONSO, MARIA AUGUSTA; SILVA, LUCIANO ANDRADE; AFFONSO, FERNANDA JORDAO; LEMES, KLEBER MENEGON; CARVALHO CELEGHINI, ENEIVA CARLA; LANCONI, RENATA; CARVALHO, HENRIQUE FULANETTI; DE ARRUDA, RUBENS PAES. Effect of hCG application at different moments of the estrous cycle on corpus luteum and uterine vascularization and serum progesterone concentration in mares. ANIMAL REPRODUCTION, v. 16, n. 2, p. 317-327, . (10/10932-0, 10/10692-9)
LEMES, KLEBER MENEGON; SILVA, LUCIANO ANDRADE; ALONSO, MARIA AUGUSTA; CARVALHO CELEGHINI, ENEIVA CARLA; PUGLIESI, GUILHERME; CARVALHO, HENRIQUE FULANETI; AFFONSO, FERNANDA JORDAO; SILVA, DANIELA FRANCO; LEITE, TICIANO GUIMARDES; DE ARRUDA, RUBENS PAES. Uterine Vascular Perfusion and Involution During the Postpartum Period in Mares. Journal of Equine Veterinary Science, v. 51, p. 61-69, . (10/10692-9)
LEMES, KLEBER MENEGON; SILVA, LUCIANO ANDRADE; ALONSO, MARIA AUGUSTA; CARVALHO CELEGHINI, ENEIVA CARLA; PUGLIESI, GUILHERME; CARVALHO, HENRIQUE FULANETI; AFFONSO, FERNANDA JORDAO; SILVA, DANIELA FRANCO; LEITE, TICIANO GUIMARAES; DE ARRUDA, RUBENS PAES. Follicular dynamics, ovarian vascularity and luteal development in mares with early or late postpartum ovulation. Theriogenology, v. 96, p. 23-30, . (10/10692-9)

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