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Synchronization Protocols in Spanish Merino Sheep: Reduction in Time to Estrus by the Addition of eCG to a Progesterone-Based Estrus Synchronization Protocol Cover

Synchronization Protocols in Spanish Merino Sheep: Reduction in Time to Estrus by the Addition of eCG to a Progesterone-Based Estrus Synchronization Protocol

Open Access
|Apr 2015

References

  1. Abecia J.A., Forcada F., Gonzalez-Bulnes A. (2011). Pharmaceutical control of reproduc­tion in sheep and goats. Vet. Clin. N. Am-Food A., 27: 67-79.
  2. Abecia J.A., Forcada F., Gonzalez-Bulnes A. (2012). Hormonal control of reproduction in small ruminants. Anim. Reprod. Sci., 130: 173-179.
  3. Ainsworth L., Wolynetz M.S. (1982). Synchronization of estrus and reproductive performance of ewes treated with synthetic progestogens administered by subcutaneous ear implant or by intrav­aginal sponge pessary. J. Anim. Sci., 54: 1120-1127.
  4. Alberio R., Sanchez H.E., Vivoli C. (1994). Validacion de los resultados de induccion y sin- cronizacion de celos en ovinos por medio de progestagenos. Ensayos a campo. Rev. Argent. Prod. Anim., 14: 115-116.
  5. Anel L.Kaabi M.Abroug B.,Alvarez M.Anel E.Boixo J.C.,De La Fuente L.F., D e P az P. (2005). Factors influencing the success of vaginal and laparoscopic artificial insemina­tion in Churra ewes: a field assay. Theriogenology, 63: 1235-1247.
  6. Awel H., Eshetu L., Tadesse G., Birhanu A., Khar S.K. (2009). Estrus synchronization in sheep with synthetic progestagens. Trop. Anim. Health Prod., 41: 1521-1524.
  7. Azawi O.I., Al-Mola M.K. (2010). A study on superovulation using FSH and eCG in Awassi ewes. Trop. Anim. Health Prod., 42: 799-801.
  8. Barrett D.M.,Bartlewski P.M.,Batista-Arteaga M.,Symington A.,Ra wling s N.C. (2004). Ultrasound and endocrine evaluation of the ovarian response to a single dose of 500 IU of eCG following a 12-day treatment with progestogen-releasing intravaginal sponges in the breeding and nonbreeding seasons in ewes. Theriogenology, 61: 311-327.
  9. Bodin L., Drion P.V., Remy B., Brice G., Cognie Y., Beckers J.F. (1997). Anti-PMSG antibody levels in sheep subjected annually to oestrus synchronisation. Reprod. Nutr. Dev., 37: 651-660.
  10. Boscos C.M., S am artz i F.C., Dellis S., Rogge A., Stefanakis A., Krambovitis E. (2002). Use of progestagen-gonadotropin treatments in estrus synchronization of sheep. Theriog­enology, 58: 1261-1272.
  11. Cambero P. (1999). Cuaderno de la explotacion de ovino. Serv. Agr. Caja Duero.
  12. Cline M.A., Ralston J.N., Seals R.C., Lewis G.S. (2001). Intervals from norgestomet with­drawal and injection of equine chorionic gonadotropin or PG 600 to estrus and ovulation in ewes. J. Anim. Sci., 79: 589-594.
  13. Das G.K., Naqvi S.M.K., Gulyani R., Pareek S.R., Mittal J.P. (2000). Effect of two doses of progesterone on estrus response and fertility in acycling crossbred Bharat Merino ewes in a semi­arid tropical environment. Small Ruminant Res., 37: 159-163.
  14. Dogan I., Nur Z. (2006). Different estrous induction methods during the non-breeding season in Kivircik ewes. Vet. Med-Czech, 51: 133-138.
  15. El-Saied U.M., de la Fuente L.F., Primitivo F.S. (2006). Phenotypic study on total and partial lifetime traits for dairy ewes. J. Dairy Res., 73: 101-108.
  16. Fukui Y, Kohno H., Okabe K, Katsuki S.Yoshizawa M., Togari T., Watanabe H. (2010). Factors affecting the fertility of ewes after intrauterine insemination with frozen-thawed semen during the non-breeding season. J. Reprod. Dev., 56: 460-466.
  17. Juarez M., Romero F., Azor P.J. (2007). Las razas ovinas andaluzas de proteccion especial: Merina de Grazalema, Churra Lebrijana, Montesina y Merina Negra. In: Las razas ganaderas de Anda- lucia. II, pp. 301-330.
  18. Kareta W., Korman K., Cegla M. (2006). Ovulation level and prolificacy in ewes depending on their age, birth type and percentage of prolific genotype. Reprod. Biol., 2: 73-78.
  19. Knights M., Ramgattie R., Siew N., Singh-Knights D., Bourne G. (2011). Effective­ness of a short-term treatment with progesterone injections on synchrony of lambing and fertility in tropical hair sheep. Anim. Reprod. Sci., 126: 70-75.
  20. Martemucci G., D’Alessandro A.G. (2011). Synchronization of oestrus and ovulation by short time combined FGA, PGF(2a), GnRH, eCG treatments for natural service or AI fixed-time. Anim. Reprod. Sci., 123: 32-39.
  21. Maxwell W.M.C. (1986). Artificial insemination of ewes with frozen-thawed semen at a synchro­nised oestrus. 1. Effect of time of onset of oestrus, ovulation and insemination on fertility. Anim. Reprod. Sci., 10: 301-308.
  22. McCappin N., Murray R.D. (2011). Factors affecting the pregnancy rate in ewes following AI. Vet. Rec., 168: 99.
  23. Moeini M.M., Moghaddam A.A., Bahiralem A., Hajarian H. (2007). Effects of breed and progestin source on estrus synchronization and rates of fertility and fecundity in Iranian Sanjabi and Lori ewes. Pak. J. Biol. Sci., 10: 3801-3807.
  24. Moses D., Martinez A.G., Iorio G., Valcarcel A., Ham A., Pessi H., Castanon R., Macia A., De Las Heras M.A. (1997). A large-scale program in laparoscopic intrauterine insemination with frozen-thawed semen in Australian Merino sheep in Argentina Patagonia. The- riogenology, 48: 651-657.
  25. Olivera-Muzante J., Fierro S., Lopez V., Gil J. (2011) Comparison of prostaglandin and progesterone-based protocols for timed artificial insemination in sheep. Theriogenology, 75: 1232-1238.10.1016/j.theriogenology.2010.11.03621247622
  26. Pedrosa S., Arranz J.J., Brito N., Molina A., San Primitivo F, Bayon Y. (2007). Mitochondrial diversity and the origin of Iberian sheep. Gen. Selec. Evol., 39: 91-103.
  27. Quintero-Elisea J.A., Macias-Cruz U., Alvarez-Valenzuela F.D., Correa- Cal d er on A, Gonzalez-Reyna A., Lucero-Magana F.A., Soto-Navarro S.A., Avendano-Reyes L. (2011). The effects of time and dose of pregnant mare serum gonadotro­pin (PMSG) on reproductive efficiency in hair sheep ewes. Trop. Anim. Health Prod., 43: 1567-1573.
  28. Quirke J.F., Hanrahan J.P., Grosling J.P. (1981). Duration of oestrus, ovulation rate, time of ovulation and plasma LH, total oestrogen and progesterone in Galway adult ewes and ewe lamb. J. Reprod Fertil., 61: 265-272.
  29. Ranillla M.J., Sulon J., Carro M.D., Mantecon A.R., Beckers J.F. (1994). Plasmatic pro­files of pregnancy-associated glycoprotein and progesterone levels during gestation in Churra and Merino sheep. Theriogenology, 42: 537-545.
  30. Robinson T.J. (1965). Use of progestagen-impregnated sponges inserted intravaginally or subcutane­ously for control of the oestrous cycle in the sheep. Nature, 206: 39-41.
  31. Russel A. (1991). Body condition scoring of sheep. In: Sheep and Goat Practice, E. Boden (ed.). Bail- liere Tindall: Philadelphia.
  32. Samartzi F., Boscos C., Vainas E., Tsakalof P. (1995). Superovulatory response of Chios sheep to PMSG during spring and autumn. Anim. Reprod. Sci., 39: 215-222.
  33. Scaramuzzi R.J., Campbell B.K.Downing J.A.Kendall N.R.Khalid M.Munoz-Gutierrez M., Somchit A. (2006). A review of the effects of supplementary nutrition in the ewe on the concentrations of reproductive and metabolic hormones and the mechanisms that regu­late folliculogenesis and ovulation rate. Reprod. Nut. Dev., 46: 339-354.
  34. Simonetti L., Ramos G., Gardon J.C. (1999). Estrus presentation and distribution in ewes treated with intravaginal sponges impregnated with medroxyprogesterone acetate (MAP) in combination with pregnant mare serum gonadotropin (PMSG). Braz. J. Vet. Res. Anim. Sci., 36: 102-117.
  35. Simonetti L., Blanco M .R., Gardon J.C. (2000). Estrus synchronization in ewes treated with sponges impregnated with different doses of medroxyprogesterone acetate. Small Ruminant Res., 38: 243-247.
  36. Simonetti L., Ramos G., Gardon J.C. (2002). Effect of estrus synchronization and artificial in­semination on reproductive performance of Merino sheep. Braz. J. Vet. Res. Anim. Sci., 39: 143-146.
  37. Stellflug J.N., Hatfield P.G., Wulster-Radcliffe M.C., Walker J.W. (2001). Repro­ductive performance of ewe lambs from ewes from different selection practices with or without induced estrus. Anim. Reprod. Sci., 66: 185-193.
  38. Titi H.H., Kridlim R.T., Alnimerm M.A. (2010). Estrus synchronization in sheep and goats using combinations of GnRH, progestagen and prostaglandin F2alpha. Reprod. Domest. Anim., 45: 594-599.
  39. Ungerfeld R., Rubianes E. (2002). Short term primings with different progestogen intravaginal devices (MAP, FGA, and CIDR) for eCG-estrous induction in anestrus ewes. Small Ruminant Res., 46: 63-66.
  40. Vinoles C., Forsberg M., Banchero G., Rubianes E. (2001). Effect of long-term and short-term progestagen treatment on follicular development and pregnancy rate in cyclic ewes. The- riogenology, 55: 993-1004.
  41. Vinoles C., Forsberg M., Martin G.B., Cajarvillle C., Repetto J., Meikle A. (2005). Short term nutritional supplementation of ewes in low body condition affects follicle development due to an increase in glucose and metabolic hormones. Reproduction, 129: 299-309.
  42. Wildeus S. (2000). Current concepts in synchronization of estrus: Sheep and goats. J. Anim. Sci., 77: 1-14.
  43. Zeleke M. Greyling J.P.C., Schwalbach Muller T. Erasmus J.A. (2005). Ef­ fects of progestagen and PMSG on oestrus synchronization and fertility in Dorper ewes during the transition period. Small Ruminant Res., 56: 47-53.
DOI: https://doi.org/10.1515/aoas-2015-0003 | Journal eISSN: 2300-8733 | Journal ISSN: 1642-3402
Language: English
Page range: 409 - 418
Submitted on: Aug 13, 2014
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Accepted on: Dec 1, 2014
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Published on: Apr 23, 2015
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2015 Juan Carlos Gardón, Begoña Escribano, Susana Astiz, Salvador Ruiz, published by National Research Institute of Animal Production
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.