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Efficient transcervical embryo collection in synchronous estrus-induced Lacaune ewes. Author(s): FONSECA, J. F. da Induction of cervical dilation allows efficient non-surgical embryo recovery, depending on the sheep breed, and thus its usefulness needs to be assessed in each breed. This study checked the efficienc... ... Repository: BDPA Publication year: 2018
Different progestagens sources do not affect the follicular population and the morphological quality of oocytes during ovarian stimulation in Santa Inês ewes. Author(s): FONSECA, J. F. da In attempt to develop a hormonal protocol more suitable to produce good quality oocytes for use in biotechnologies, an earlier study demonstrated that FSH applied in multiple decreasing doses produced... ... Repository: BDPA Publication year: 2018
Superovulation and transcervical embryo recovery in Lacaune ewes raised under tropical conditions. Author(s): SOUZA, G. N. de; FONSECA, J. F. da This study assessed two superovulatory treatments and the feasibility of transcervical embryo recovery in Lacaune ewes. Ewes (n=23) received medroxyprogesterone acetate sponges (60mg, Progespon®, Synt... ... Repository: BDPA Publication year: 2018
Estradiol route and non-surgical embryo recovery in synchronized Santa Inês ewes. Author(s): FONSECA, J. F. da; PRATES, J. F. Abstract: Animal surgery procedures are being progressively restricted worldwide in the context of embryo transfer. In small ruminants, the needs for development of alternative and efficient non-surgi... ... Repository: BDPA Publication year: 2015
Cervical transposition test at estrus as a tool to select ewes for transcervical embryo collection. Author(s): FONSECA, J. F. da The use of multiple ovulation and embryo transfer (MOET) program in sheep is limited by anatomical particularities of ovine cervix, making non-surgical embryo collection method (transcervical) more di... ... Repository: BDPA Publication year: 2018
Occurrence of causers pathogens of mastitis in ewes during lactation. Several microorganisms are capable of causing infections in the sheep mammary gland, many of them with high zoonotic potential. Repository: BDPA Publication year: 2022
Cervical dilatation in Santa Ines ewes induced with misoprostol, oxytocin and estradiol for development of non-surgical method for embryo recovery. Author(s): FONSECA, J. F. da The objective of this study to develop a pharmacological protocol cervical dilatation in ewes Santa Ines aimed at collecting embryos transcervical. Multiparous ewes were used (n=30), cyclic, aged 24 a... ... Repository: BDPA Publication year: 2015
Route of Oxytocin administration and nonsurgical embryo recovery in Santa Inês ewes after induction synchronous estrus. Author(s): FONSECA, J. F. da; PEREIRA, V. S. do A.; ESTEVES, S. N.; MACHADO, R. Abstract: Oxytocin has been used to promote cervical dilation with the objective to access uterus both in artificial insemination and transcervical embryo recovery in sheep and goats. The objective of... ... Repository: BDPA Publication year: 2016
Different suckling regimens and return to postpartum cyclic ovarian activity in Santa Inês ewes. Author(s): FONSECA, J. F. da Abstract: The aim of this study was to evaluate the effect of different suckling regimens on body condition and interval from lambing to onset of the cyclic ovarian activity in Santa Inês ewes. Thirty... ... Repository: BDPA Publication year: 2013
The use of human chorionic gonadotropin seven days after synchronized estrus for the increase of luteal tissue in Morada Nova ewes. 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 injec... ... Repository: BDPA Publication year: 2018

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