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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

The objective was to determine serum progesterone concentrations, ovarian responses, and pregnancy rate in sheep inseminated following a short-term protocol (6 days of treatment) with a previously used controlled internal drug release-G (CIDR-G) device. In experiment 1, 30 ewes were put on a...

Author(s)
Vilariño, M.; Rubianes, E.; Menchaca, A.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2013, 79, 1, pp 206-210
Abstract

Traditional treatments of two prostaglandin F2 alpha (PGF2α) doses at 10-day intervals or more did not result in acceptable pregnancy rates in timed artificial insemination (TAI) programmes in ewes. An explanation might be the undefined time-period of the onset of oestrus and ovulation after the...

Author(s)
Menchaca, A.; Miller, V.; Gil, J.; Pinczak, A.; Laca, M.; Rubianes, E.
Publisher
Blackwell Wissenschafts-Verlag GmbH, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2004, 39, 5, pp 352-355