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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

Reproduction of small ruminants can be controlled by several methods developed in recent decades. Some of these involve administration of hormones that modify the physiological chain of events involved in the sexual cycle. Methods which utilise progesterone or its analogues are based on their...

Author(s)
Abecia, J. A.; Forcada, F.; González-Bulnes, A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2012, 130, 3/4, pp 173-179
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