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Animal Science Database

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Abstract

To compare the reproductive performance after TAI in ewes synchronized with mid (12 or 13) or long (14-16 d) interval prostaglandin (PG) or progesterone plus eCG (P4-eCG) based protocols, 440 multiparous Corriedale ewes were synchronized with two PG injections administered 12-16 d apart (PG12,...

Author(s)
Fierro, S.; Olivera-Muzante, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2017, 180, pp 78-84
Abstract

The objective of this study was to evaluate the pregnancy outcomes obtained with either cervical or intrauterine insemination after Short-term protocols (6 days) for FTAI comparing different progestogens and intravaginal devices in sheep. Two experiments were performed during breeding season on a...

Author(s)
Santos Neto, P. C. dos; García-Pintos, C.; Pinczak, A.; Menchaca, A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2015, 182, pp 125-128
Abstract

This study aimed to evaluate (1) the effect of inserting an intravaginal sponge containing medroxyprogesterone during the late luteal phase on the corpus luteum (CL) function and endogenous production of P4; (2) the effectiveness of two different equine chorionic gonadotrophin (eCG) doses on...

Author(s)
Cosentino, I. O.; Balaro, M. F. A.; Arashiro, E. K. N.; Santos, J. D. R.; Carvalho, A. B. da S.; Perez Clariget, R.; Ungerfeld, R.; Brandão, F. Z.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 133, pp 113-118
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

180 ewes were injected with the PG analogue cloprostenol (2 doses of 100 mu g, 11 days apart) or were treated with an intravaginal sponge containing 30 mg of the progestogen SC 9880; the sheep were inseminated 56 h after the end of treatment. For the 2 groups resp., the percentage that had ovulated ...

Author(s)
Boland, M. P.; Gordon, I.; Kelleher, D. L.
Publisher
Dublin., Irish Republic
Citation
Irish Republic, University College, Dublin: Faculty of General Agriculture. Research report 1976-77., 1979, pp 80

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