Endocrine, ovulatory and reproductive characteristics of sows treated with an intravaginal GnRH agonist

Animal Reproduction Science

Volumn 120, Issue 1-4, 2010, Pages 112-119

  Stewart, K R ^a   Flowers, W L ^a   Rampacek, G B ^b   Greger, D L ^c   Swanson, M E ^c   Hafs, H D ^c  

^a NORTH CAROLINA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF GEORGIA   (United States)

^c Pennatek LLC   (United States)

Author keywords

Ovulation; Sows GnRH; Vagina; Weaning

Indexed keywords

ESTRADIOL; FERTILITY PROMOTING AGENT; GONADORELIN; LUTEOLYTIC AGENT; TRIPTORELIN;

ANIMAL; ANIMAL DISEASE; ARTICLE; BLOOD; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DRUG EFFECT; DRUG POTENTIATION; ENDOCRINE SYSTEM; ESTRUS; ESTRUS CYCLE; FEMALE; INTRAVAGINAL DRUG ADMINISTRATION; METABOLISM; METHODOLOGY; OVULATION; OVULATION INDUCTION; PHYSIOLOGY; PREGNANCY; REPRODUCTION; SWINE;

ADMINISTRATION, INTRAVAGINAL; ANIMALS; ENDOCRINE SYSTEM; ESTRADIOL; ESTRUS; ESTRUS SYNCHRONIZATION; FEMALE; FERTILITY AGENTS, FEMALE; GONADOTROPIN-RELEASING HORMONE; LUTEOLYTIC AGENTS; OVULATION; OVULATION INDUCTION; PREGNANCY; REPRODUCTION; SWINE; TRIPTORELIN;

EID: 77954862333     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.anireprosci.2010.04.003     Document Type: Article

References (24)

1. Belstra B.A., Flowers W.L., See M.T. Factors affecting temporal relationships between estrus and ovulation in commercial sow farms. Anim. Reprod. Sci. 2004, 84:377-394.
2. Brussow K.P., Jochle W., Huhn U. Control of Ovulation with a GnRH analog in Gilts and Sows. Theriogenology 1996, 46:925-934.
3. Buhler K. GnRH agonists and safety. The State of the Art 1993, 139-146. The Parthenon Publishing Group, New York. B. Lunenfeld, V. Insler (Eds.).
4. Conover W.J. Practical Nonparametric Statistics 1980, John Wiley & Sons Inc., New York, NY. 2nd Ed.
5. Edwards D.A., Gooch K.J., Zhang I., McKinley G.H., Langer R. The nucleation of receptor-mediated endocytosis. Proc. Nat. Acad. Sci. 1996, 93:1786-1791.
6. Flowers W.L. Successful A.I. programs. In: Proceedings of Swine Reproduction Symposium, American College of Theriogenologists and Society for Therogenology 1996, 15-25.
7. Flowers W.L. Optimizing management of artificial and natural matings in swine. Proceedings of the North American Veterinary Conference, Eastern States Veterinary Association 1995, 519-520.
8. Foxcroft G.R., Shaw H.J., Hunter M.G., Booth P.J., Lancaster R.T. Relationships between luteinizing hormone, follicle stimulating hormone, and prolactin secretion and ovarian follicular development in the weaned sow. Biol. Reprod. 1987, 36:175-191.
9. Foxcroft G.R., van de Wiel D.F.M. Endocrine control of the oestrus cycle. Control of Pig Reproduction 1982, 161-177. Butterworths, London. D.J.A. Cole, G.R. Foxcroft (Eds.).
10. Gill J.L., Hafs H.D. Analysis of repeated measurements in animals. J. Anim. Sci. 1971, 331-336.
11. Howard H.J., Britt J.H. Prostaglandin-F2α causes regression of an hCG-induced corpus luteum before day 5 of its lifespan in cattle. J. Reprod. Fertil. 1990, 90:245-252.
12. Kemp B., Soede N.M. Relationship of weaning-to-estrus interval to timing of ovulation and fertilization in sows. J. Anim. Sci. 1996, 74:944-949.
13. Knox R.V., Willenburg K.L., Rodriguez-Zas S.L., Greger D.L., Swanson M.E., Hafs H.D. Intravaginal GnRH agonist-gel advances time of ovulation and facilitates timed AI in weaned sows. In:Proceedings of 2003 Annual Meeting of American Association of Swine Veterinarians 2003, 495-498.
14. Koch G.G., Landis J.R., Freeman J.L., Freeman D.R., Lehron R.G. A general methodology for the analysis of experiments with repeated measures of categorical data. Biometrics 1977, 33:133-148.
15. Kraeling R.R., Barb C.R., Rampacek G.B., Thompson D., Gibson J., Sullivan S., Simon B., Burns P.J. Luteinizing hormone response to controlled-release desorelin in estradiol benzoate (EB) primed ovariectomized gilts. Theriogenology 2000, 53:1681-1689.
16. Littel R.C., Milliken G.A., Stroup W.W., Wolfinger R.W. SAS System for Mixed Models 1996, SAS Institute Inc., Cary, NC. 3rd Ed.
17. Rozeboom K.F., Troedsson M.H., Shurson G.C., Hawton J.D., Crabo B.G. Late estrus or metestrus insemination after estrual inseminations decreases farrowing rate and litter size in swine. J. Anim. Sci. 1997, 75:2323-2327.
18. Schlotzhauer S.C., Littell R.C. SAS System for Elementary Statistical Analysis 1997, SAS Institute, Inc., Cary, NC.
19. Snedecor G.W., Cochran W.G. Statistical Methods 1989, Iowa State University Press, Ames, IA. 8th Ed.
20. Soede N.M., Helmond F.A., Kemp B. Periovulatory profiles of oesradiol, LH, and progesterone in relation to oestrus and embryo mortality in multiparous sows using transrectal ultrasonography to detect ovulation. J. Reprod. Fertil. 1994, 101:633-641.
21. Soede N.M., Wetzels C.C.H., Zondag W., de Koning M.A.I., Kemp B. Effects of time of insemination relative to ovulation, as determined by ultrasonography, on fertilization rate and accessory sperm count in sows. J. Reprod. Fertil. 1995, 104:99-106.
22. van de Wiel D.F.M., Erkens J., Koops W., Vos E., van Landeghem A.A.J. Periestrous and midluteal time courses of circulating LH, FSH, prolactin, estradiol-17beta, and progesterone in the domestic pig. Biol. Reprod. 1981, 24:223-233.
23. Webel S.K., Day B.N. The control of ovulation. Control of Pig Reproduction 1982, 197-210. Butterworths, London. D.J.A. Cole, G.R. Foxcroft (Eds.).
24. Weitze K.F., Wagner-Rietschel H., Waberski D., Richter L., Krieter J. The onset of heat after weaning, heat duration, and ovulation as major factors in artificial insemination timing in sows. Reprod. Dom. Anim. 1994, 29:433-443.