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Abstract

Fixed-time artificial insemination (FTAI) is the most effective method to increase the number of females inseminated in a single day, eliminating the necessity of estrus detection. Usually the treatments for FTAI in sheep are based on the use of progesterone-releasing devices and equine chorionic...

Author(s)
Menchaca, A.; Santos Neto, P. C. dos; Cuadro, F.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Revista Brasileira de Reprodução Animal, 2017, 41, 1, pp 340-344
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

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

Sheep constitute an important livestock species in the rural agricultural economy of India. The country is endowed with vast diversity of sheep breeds. The low reproductive efficiency of indigenous sheep breeds has been a major concern in terms of converting these immense bioresources into more...

Author(s)
Naqvi, S. M. K.; Anil Joshi; Maurya, V. P.
Publisher
Indian Society for Sheep and Goat Production and Utilization, Avikanagar, India
Citation
Indian Journal of Small Ruminants, 2007, 13, 2, pp 115-143
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

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