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Response of the 1-5 day-aged ovine corpus luteum to prostaglandin F2alpha.
The hypothesis that, in the ewe, prostaglandin (PG) F2alpha administration on day 3 after ovulation is followed by luteolysis and ovulation was tested using 24 animals. The ewes were treated with a… Expand
Effect of high progesterone levels during the growing phase of the dominant follicle of wave 1 in ultrasonically monitored ewes
The effect of high progesterone levels in the growth of the largest (dominant) follicle of Wave 1 was monitored by daily ultrasonography in Corriedale ewes. Progesterone treatment decreased the… Expand
Superovulatory response in anestrous ewes is affected by the presence of a large follicle.
- E. Rubianes, D. Ibarra, R. Ungerfeld, B. Carbajal, T. de Castro
- Biology, Medicine
- 15 January 1995
Superovulatory response to conventional treatment with eCG (1200 IU) and progestagen sponges (MAP, n = 9; FGA, n = 9; or controls without sponge, n = 6) was studied in Corriedale anestrous ewes. The… Expand
Medroxyprogesterone priming and response to the ram effect in Corriedale ewes during the nonbreeding season.
The "ram effect" (RE) is an inexpensive technique that allows farmers to obtain out-of-season lambs. Five hundred and ninety-six Corriedale ewes were used in three experiments to determine the… Expand
Endocrine and Ovarian Changes in Response to the Ram Effect in Medroxyprogesterone Acetate-primed Corriedale Ewes During the Breeding and Nonbreeding Season
- R. Ungerfeld, B. Carbajal, E. Rubianes, M. Forsberg
- Medicine, Biology
- Acta veterinaria Scandinavica
- 31 March 2005
AbstractTwo experiments were performed to determine the endocrine and ovarian changes in medroxyprogesterone acetate (MAP)-primed ewes after ram introduction. Experiment 1 was performed during the… Expand
Uterine involution time and ovarian activity in weaned and suckling ewes
Uterine involution time and ovarian activity were studied in autumn- and spring-lambing ewes. Macroscopic uterine involution was completed earlier in autumn-lambing ewes and this can be related with… Expand
Superovulatory response to FSH treatments after different progesterone primings in ewes
Abstract An experiment was conducted to compare the effect of superovulatory treatment initiated after 0, 4 or 10 days of progesterone priming, on ovarian response and embryo quality in ewes.… Expand
La translocacion robertsoniana 1/29 en vacas de la raza suizo pardo americano y su repercusion en la reproduccion
W-.-o 5 Design Optimization of High-Speed Proprotor Aircraft