The use of human chorionic gonadotropin seven days after synchronized estrus for the increase of luteal tissue in Morada Nova ewes.

VERGANI, G. B.; TREVIZAN, J. T.; PEREIRA, V. S. do A.; FONSECA, J. F. da; GARCIA, A. R.; ESTEVES, S. N.; OLIVEIRA, M. E. F.; Unesp - Jaboticabal, SP, Brazil; Unesp - Jaboticabal, SP, Brazil; VERONICA SCHINAIDER DO A PEREIRA, CPPSE; JEFERSON FERREIRA DA FONSECA, CNPC; ALEXANDRE ROSSETTO GARCIA, CPPSE; SERGIO NOVITA ESTEVES, CPPSE; Unesp - Jaboticabal, SP, Brazil.

The use of human chorionic gonadotropin seven days after synchronized estrus for the increase of luteal tissue in Morada Nova ewes.

2018

VERGANI, G. B. | TREVIZAN, J. T. | PEREIRA, V. S. do A. | FONSECA, J. F. da | GARCIA, A. R. | ESTEVES, S. N. | OLIVEIRA, M. E. F. | Unesp - Jaboticabal, SP, Brazil; Unesp - Jaboticabal, SP, Brazil; VERONICA SCHINAIDER DO A PEREIRA, CPPSE; JEFERSON FERREIRA DA FONSECA, CNPC; ALEXANDRE ROSSETTO GARCIA, CPPSE; SERGIO NOVITA ESTEVES, CPPSE; Unesp - Jaboticabal, SP, Brazil.

The study was performed to evaluate whether the use of hCG 7 days after synchronized oestrus in Morada Nova ewes would increase the number and size of corpora lutea. In conclusion, 300 IU of hCG injected 7 days after synchronized oestrus is effective to increase the number of corpora lutea and in the size of luteal tissue. Despite indications of a favourable effect on luteal dynamics, the effects on progesterone production and conception rate need to be examined.

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Proceedings of the Annual Conference of the International Embryo Technology Society (IETS), New Orleans, Louisiana, 2018.

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