Administration of oxytocin immediately after insemination does not improve pregnancy rates in mares bred by fertile or subfertile stallions

Theriogenology

Volumn 51, Issue 6, 1999, Pages 1143-1150

  Rigby, S ^a   Hill, J ^a   Miller, C ^a   Thompson, J ^a   Varner, D ^a   Blanchard, T ^a  

^a TEXAS A AND M UNIVERSITY   (United States)

Author keywords

Equine; Fertility; Oviduct; Oxytocin; Sperm transport

Indexed keywords

OXYTOCIN;

ANIMAL; ANIMAL DISEASE; ANIMAL EXPERIMENT; ARTICLE; ARTIFICIAL INSEMINATION; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; FEMALE; FERTILITY; HORMONE ACTION; HORSE; MALE; NONHUMAN; PHYSIOLOGY; PREGNANCY; PREGNANCY RATE; RANDOMIZED CONTROLLED TRIAL; SPERM; SPERMATOZOON COUNT; SPERMATOZOON MIGRATION; SUBFERTILITY; TREATMENT OUTCOME; UTERUS CONTRACTION;

ANIMALIA; EQUIDAE; EQUUS CABALLUS;

EID: 0032995973     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(99)80017-X     Document Type: Article

References (26)

1. Ayad VJ, McGoff SA, Wathes DC. Oxytocin receptors in the oviduct during the oestrous cycle of the ewe. J Endocrinol. 124:1990;352-359.
2. Bader H. An investigation of sperm migration into the oviducts of the mare. J Reprod Fertil. 32:1982;59-64. (Suppl).
3. Blanchard TL, Varner DD. Evaluating breeding soundness in stallions. 5. Predicting potential fertility. Vet Med. 1997;815-818. Sept.
4. Brinsko SP, Varner DD, Blanchard TL, Meyers SA. The effect of postbreeding uterine lavage on pregnancy rates in mares. Theriogenology. 33:1990;465-476.
5. Brinsko SP, Varner DD, Blanchard TL. The effect of uterine lavage performed four hours post-insemination on pregnancy rates in mares. Theriogenology. 35:1991;1111-1120.
6. Fairclough RJ, Lau TM. Hormonal control of concentrations of endometrial oxytocin receptors in the ewe. Reprod Fertil Dev. 4:1992;313-320.
7. Gilbert CL, Cripps PJ, Wathes DC. Effect of oxytocin on the pattern of electromyographic activity in the oviduct and uterus of the ewe around oestrus. Reprod Fertil Dev. 4:1992;193-203.
8. Harper MJK. Gamete and embryo transport. Knobil E, Neill JD. The Physiology of Reproduction. 1994;134-138 Raven Press.
9. Householder DD, Pickett BW, Voss JL, Olar TT. Effect of extender, number of spermatozoa and hCG on equine fertility. Equine Vet Sci. 1981;9-13. Jan-Feb.
10. th Int Symp Equine Reprod. 1998;149-150.
11. Kenney RM. Clinical fertility evaluation of the stallion. Proc Am Assoc Equine Pract. 1975;36-355.
12. Littell RC, Milliken FA, Sharp WW, Wolfinger RD. SAS System for Mixed Models. 1996;423-460 SAS Institute Inc, Cary NC.
13. th Int Symp Equine Reprod. 1998;93-94.
14. Mann GE, Lamming GE. Use of repeated biopsies to monitor endometrial oxytocin receptors in the cow. Vet Rec. 135:1994;403-405.
15. Marnet PG, Laurentie M, Garcia-Cillar R, Toutain PL. Effets de doses excessives doxytocine sur la contractilite uterine chez la brebis. Revue Med Vet. 36:1985;315-320.
16. Marnet PG, Laurentie MP, Garcia-Villar R, Toutain PL. Route of administration and uterine response to oxytocin in the ewe. J Vet Pharmacol Therap. 9:1986;439-441.
17. Mitchell JR, Senger PL, Rosenberger JL. Distribution and retention of spermatozoa with acrosomal and nuclear abnormalities in the cow genital tract. J Anim Sci. 61:1985;956-967.
18. Mortimer D, Leslie EE, Kelly RW, Templeton AA. Morphological selection of human spermatozoa in vivo and in vitro. J Reprod Fertil. 64:1982;391-399.
19. Pickett BW, Voss JL, Bowen RA, Squires EL, McKinnon AO. Seminal characteristics and total scrotal width (TSW) of normal and abnormal stallions. Proc Am Assoc Equine Pract. 1987;487-518.
20. Ruckebusch Y. Relationship between the electrical activity of the oviduct and the uterus of the rabbit in vivo. J Reprod Fertil. 45:1975;73-82.
21. Ruckebusch Y, Bayard F. Motility of the oviduct and uterus of the cow during the oestrus cycle. J Reprod Fertil. 43:1975;23-32.
22. Samper J, Ellington J, Burnett K, Jones A, Wright R. Use of sperm and oviductal cell coculture as a test for stallion field fertility. Proc Am Assoc Equine Pract. 1995;3-5.
23. Scott MA, Liu IKM, Overstreet JW. Sperm transport to the oviducts: Abnormalities and their clinical implications. Proc Am Assoc Equine Pract. 1995;1-2.
24. Stull CL, Evans JW. Oxytocin binding in the uterus of the cycling mare. J Equine Vet Sci. 6:1986;114-119.
25. Thomas PGA, Ball BA, Miller PG, Brinsko SP, Southwood L. A subpopulation of morphologically normal, motile spermatozoa attach to equine oviductal cell monolayers. Biol Reprod. 51:1994;303-309.
26. 2 on the myometrium and the oviduct of the cycling mare. Biol Reprod. 1:1995;475-488. (Mono).