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2007 | 51 | 1 |

Tytuł artykułu

Use of a decreased dose of cabergoline to treat secondary anoestrus in bitches

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The aim of the study was to determine whether a dose (0.6 µg/kg/d) quite lower than the prolactin-lowering dose of cabergoline, prepared for humans, would be a safe and effective method for the stimulation of oestrus in bitches at secondary anoestrus or late anoestrus. Twenty-four pure blood bitches from various breeds were used in the study at their already determined periods of anoestrus. The treatment group included bitches at late and prolonged anoestrus. Eight bitches that had not shown any signs of oestrus for the preceding 370 to 485 d formed the secondary anoestrus group. Eight of the 16 bitches at late anoestrus (days 165-280) have accomplished the late anoestrus group and another 8 have been chosen randomly for the control group (untreated). Cabergoline was orally administrated until day 2 after the onset of pro-oestrus or for a maximum of 42 d. Blood samples were taken daily from each bitch during the first 5 d of behavioural oestrus to measure progesterone concentrations. In the secondary anoestrus and late anoestrus groups, oestrus was induced on days 4-14 and 12-45 at a ratio of 75.0% (6/8) and 87.5% (7/8), respectively. The mean pro-oestrus and behavioural oestrus durations, serum progesterone concentrations on day 5 of oestrus, ovulation rates, pregnancy rates, and the mean litter sizes in secondary anoestrus, late anoestrus, and control groups were found to be similar. None of the dogs had any adverse gastrointestinal effects associated with cabergoline administration. The results of the present study suggest that the administration of 0.6 µg/kg/d of cabergoline is a safe and effective treatment for secondary anoestrus in bitches.

Wydawca

-

Rocznik

Tom

51

Numer

1

Opis fizyczny

p.43-46.ref.

Twórcy

autor
  • Istanbul University, 34320 Avcilar, Instanbul, Turkey
autor
autor
autor

Bibliografia

  • 1. Arbeiter K., Brass W., Ballabio R., Jöchle W.: Treatment of pseudopregnancy in the bitch with cabergoline, an ergoline derivative. J Small Anim Pract 1988, 29, 781-788.
  • 2. Beijerink N.J., Dieleman S.J., Kooistra H.S., Okkens A.C.: Low doses of bromocriptine shorten the interestrous interval in the bitch without lowering plasma prolactin concentration. Theriogenology 2003, 60, 1379-1386.
  • 3. Bouchard G., Youngquist R.S., Clark B., Concannon P.W., Braun W.F.: Estrus induction in the bitch using a combination diethylstilbestrol and FSH-P. Theriogenology 1991, 36, 51-65.
  • 4. Bouchard G., Youngquist R.S., Vaillancourt D., Krause G.F., Guay P., Paradis M.: Seasonality and variability of the interestrous interval in the bitch. Theriogenology 1991, 36, 41-50.
  • 5. Cirit Ü., Bacınoğlu S., Cangül İ.T., Kaya H., Ata Z., Taş M.: The effects of a decreased dose of cabergoline on estrus induction and pregnancy rates in anestrus bitches. 3rd National Reproduction and Artificial Insemination Congress, Antalya, 2004, p. 93.
  • 6. Concannon P.W.: Reproduction in the dog and cat. In: Reproduction in Domestic Animals, edited by P.T.Cupps (New York: Academic Press) 1991, pp. 517-554.
  • 7. Concannon P.W., DiGregorio G.B.: Canine vaginal cytology. In: Small Animal Reproduction and Infertility, edited by T. Burke (Philadelphia: Lea and Febiger), 1986, pp. 96-111.
  • 8. Feldman E.C., Nelson R.W.: Ovarian cycle and vaginal cytology. In: Canine and Feline Endocrinology and Reproduction. 2nd ed. (Philadelphia: WB Saunders Co), 1996, pp. 526-546.
  • 9. Gobello C., Castex G., Corrada Y.: Use of cabergoline to treat primary and secondary anestrus in dogs. J Am Vet Med Assoc 2002, 220, 1653-1654.
  • 10. Gobello C., de la Sota R.L., Goya R.G.: Study of the change of prolactin and progesterone during dopaminergic agonist treatments in pseudopregnant bitches. Anim Reprod Sci 2001, 66, 257-267.
  • 11. Günay A., Günay U., Soylu M.K.: Cabergoline applications in early and late anoestrus periods on German Shepherd dogs. Rev Méd Vét 2004, 155, 557-560.
  • 12. Günay A., Soylu M.K.: A study of induction of oestrus and ovulation in bitches in anoestrus period. 34. Jahrestagung Physiologie und Pathologie der Fortplanzung und 26. Veterinar-Humanmedizinische Gemeinschaftstagung, Gieβen. 2001, p. 127.
  • 13. Horoz H., Sönmez C., Baran A., Ak K.: Effect of serum gonadotrophin (PMSG) administration on oestrus and ovulation in anestrous bitches. J Fac Vet Med 1st Univ 2000, 26, 49-59.
  • 14. Inaba T., Tani H., Gonda M., Nakagawa A., Ohmura M., Mori J., Torii R., Hamada H., Sawada T.: Induction of fertile estrus in bitches using a sustained-release formulation of a GnRH agonist (Leuprolide Acetate). Theriogenology 1998, 49, 975-982.
  • 15. Jöchie W., Arbeiter K., Post K., Ballabio R., D'Ver A.S.: Effects on pseudopregnancy, pregnancy and interoestrous intervals of pharmacological suppression of prolactin secretion in female dogs and cats. J Reprod Fertil Suppl 1989, 39, 199-207.
  • 16. Jöchie W., Ballabio R., di Salle E.: Inhibition of lactation in the beagle bitch with the prolactin inhibitor cabergoline (FCE 21336): dose response and aspects of long-term safety. Theriogenology 1987, 27, 799-810.
  • 17. Kooistra H.S., Okkens A.C., Bevers M.M., Popp-Snijders C., van Haaften B., Dieleman S.J., Schoemaker J.: Bromocriptine-induced premature oestrus is associated with changes in pulsatile secretion pattern of FSH in beagle bitches. J Reprod Fertil 1999, 117, 387-393.
  • 18. Kutzler M.A.: Induction and synchronization of estrus in dogs. Theriogenology 2005, 64, 766-775.
  • 19. Rains C.P., Bryson H.M., Fitton A.: Cabergoline. A review of its pharmacological properties and therapeutic potential in the treatment of hyperprolactinaemia and inhibition of lactation. Drugs 1995, 49, 255-279.
  • 20. Van Haften B., Dieleman S.J., Okkens A.C., Bevers M.M., Willemse A.H.: Induction of a fertile oestrus in beagle bitches with PMSG and bromocriptine. 11th International Congress on Animal Reproduction and Artificial Insemination, Dublin, 1988, p. 463.
  • 21. Verstegen J.P., Onclin K., Silva L.D.M., Concannon P.W.: Effect of stage of anestrus on the induction of estrus by the dopamine agonist cabergoline in dogs. Theriogenology 1999, 51, 597-611.
  • 22. Wanke M.M., Farina J., Loza M.H., Rebuelto M., Concannon P.W.: Induction of estrus in bitches with normal and persistent anestrus using human menopausal gonadotropin (hMG). Theriogenology 1997, 47, 935-942.
  • 23. Webster J., Piscitelli G., Polli A., Ferrari C.I., Ismail I., Scanion M.F.: A comparison of cabergoline and bromocriptine in the treatment of hyperprolactinemia amenorrhea. New Engl J Med 1994, 331, 904-909.
  • 24. Wildt D.E., Panko W.B., Chakraborty P.K., Seager S.W.: Relationship of serum estrone, estradiol-17beta and progesterone to LH, sexual behavior and time of ovulation in the bitch. Biol Reprod 1979, 20, 648-658.
  • 25. Zöldág L., Fekete S., Csáky I., Bersényi A.: Fertile estrus induced in bitches by bromocryptine, a dopamine antagonist: A clinical trial. Theriogenology 2001, 55, 1657-1666.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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