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Abstract

This study was designed to investigate effects of natural mating versus artificial insemination in ewes synchronized for estrus/ovulation by single versus double sponge inserts combined with PMSG. A hundred twenty cyclic Herri ewes were utilized in the study. Ten ewes served as control (C), given...

Author(s)
Ali, M.
Publisher
IDOSI Publications, Dubai, United Arab Emirates
Citation
Global Veterinaria, 2014, 13, 2, pp 166-172
Abstract

Although essential for artificial insemination (AI) and MOET (multiple ovulation and embryo transfer), oestrus synchronisation and superovulation are associated with increased female reproductive tract mucus production and altered sperm transport. The effects of such breeding practices on the ovine ...

Author(s)
Maddison, J. W.; Rickard, J. P.; Bernecic, N. C.; Tsikis, G.; Soleilhavoup, C.; Labas, V.; Combes-Soia, L.; Harichaux, G.; Druart, X.; Leahy, T.; Graaf, S. P. de
Publisher
Elsevier Ltd, Oxford, UK
Citation
Journal of Proteomics, 2017, 155, pp 1-10
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
AbstractFull Text

Author(s)
Shipley, C. F.
Publisher
North American Veterinary Community (NAVC), Gainesville, USA
Citation
Proceedings of the NAVC Conference, 18-22 January 2014, Orlando, Florida, USA. Volume 28, Large Animal, 2014, pp unpaginated
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
AbstractFull Text

This study was carried out at Sakha Animal Production Research Station, during the period from Oct., 2009 to Sept., 2010. Forty Rahmani ewes were divided into three treatment groups: the 1st, 2nd and 3rd treatment groups were intramuscularly injected (Day 0) with 1 mL GnRH analogue followed by an...

Author(s)
Ashmawy, T. A. M.
Publisher
Islamic Azad University, Rasht, Iran
Citation
Iranian Journal of Applied Animal Science, 2011, 1, 1, pp 23-30
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

A novel method for oestrus-ovulation synchronization in sheep followed by fixed time insemination is presented herewith. Mature dry ewes (n=28) of Karagouniko breed being at an unknown stage of the oestrous cycle, were used during the middle of breeding season. The treatment protocol consisted of...

Author(s)
Deligiannis, C.; Valasi, I.; Rekkas, C. A.; Goulas, P.; Theodosiadou, E.; Lainas, T.; Amiridis, G. S.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2005, 40, 1, pp 6-10
AbstractFull Text

The ovarian response to a standard chronogest+eCG treatment with plasma levels of insulin, insulin-like growth factor-I (IGF-I), thyroids, non-esterified fatty acids (NEFA), βOH-butyrate (BHB) and urea-N (PUN) was studied in lactating Awassi ewes (n=105) during the late-summer - early autumn...

Author(s)
Marton, A.; Faigl, V.; Kerestes, M.; Kulcsar, M.; Nagy, S.; Febel, H.; Danko, G. N.; Magyar, K.; Husveth, F.; Solti, L.; Cseh, S.; Huszenicza, G.
Publisher
Czech Academy of Agricultural Sciences, Prague, Czech Republic
Citation
Veterinární Medicína, 2009, 54, 11, pp 507-516
Abstract

The concentration of progesterone in the plasma of 15 Finnish Landrace, 17 Fingalway (Finnish Landrace X Galway) and 18 Galway ewes was measured throughout the oestrous cycle. Blood samples were taken daily between 09.00 and 11.00 h. The ovaries were examined by laparoscopy, and the number of...

Author(s)
Quirke, J. F.; Gosling, J.
Citation
VIIIth International Congress on Animal Reproduction and Artificial Insemination, Krakow, July 12-16, 1976. Proceedings. Volume I. Communication Abstracts., 1976, pp 207

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