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Abstract

This review considers the use of prostaglandin F and its synthetic analogues (PG) for controlling the estrous cycle of the ewe. Aspects such as phase of the estrus cycle, PG analogues, PG doses, ovarian follicle development pattern, CL formation, progesterone synthesis, ovulation rate, sperm...

Author(s)
Fierro, S.; Gil, J.; Viñoles, C.; Olivera-Muzante, J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2013, 79, 3, pp 399-408
Abstract

The aim of this experiment was to improve the reproductive performance of a short-interval prostaglandin (PG)-based protocol for timed artificial insemination in sheep, using a short-term nutritional treatment. During the breeding season (March-April), 132 multiparous and 61 nulliparous Corriedale...

Author(s)
Fierro, S.; Gil, J.; Viñoles, C.; Soca, F.; Banchero, G.; Olivera-Muzante, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2014, 149, 3/4, pp 158-162
Abstract

The objective of this experiment was to study the reproductive performance obtained after a short-interval prostaglandin (PG) F2α-based protocol for timed artificial insemination (TAI) in sheep (Synchrovine®: two injections of PG 7 d apart), including a GnRH analogue at 24 or 36 h after the second...

Author(s)
Olivera-Muzante, J.; Gil, J.; Viñoles, C.; Fierro, S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2013, 138, 3/4, pp 175-179
Abstract

When injections of 2, 000 I.U. of P.M.S. (pregnant mare's serum) were given intramuscularly to sows during the luteal phase of the cycle, the effect was found to be largely if not solely follicle stimulating. Service of these animals confirmed that the semen is deposited into the uterus at this...

Author(s)
TANABE, T. Y.; WARNICK, A. C.; CASIDA, L. E.; GRUMMER, R. H.
Citation
Journal of Animal Science, 1949, 8, pp 550-557
Abstract

A PRELIMINARY report of the 1st series of experiments has already been abstracted [see A. B. A., 17, No. 972]. A single intravenous injection of unfractionated sheep pituitary extract was given to groups of gilts (18 Chester Whites and 9 Poland-Chinas) on the 6th day of the luteal phase, or on the...

Author(s)
TANABE, T. Y.; WARNICK, A. C.; CASIDA, L. E.; GRUMMER, R. H.
Citation
Journal of Animal Science, 1949, 8, pp 550-557
Abstract

THE results were obtained at various times during 1934-41 on dairy cows (mostly Holstein-Friesian) and calves (17-117 days old) injected with unfractionated, follicle-stimulating, or luteinising extracts of sheep and cattle AP. Preliminary experiments with 26 calves injected subcutaneously...

Author(s)
CASIDA, L. E.; MEYER, R. K.; McSHAN, W. H.; WISNICKY, W.
Citation
American Journal of Veterinary Research, 1943, 4, pp 76-94