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Research Article

Efficacy of Norethindrone Acetate and Norgestomet Implants in Suppressing Estrus in Female Beef Cattle

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Pages 1211-1216 | Published online: 20 Oct 2008

References

  • Anderson L. H., Day M. L. Acute progesterone administration regresses persistent dominant follicles and improves fertility of cattle in which estrus was synchronized with melengestrol acetate. J. Anim. Sci. 1994; 72: 2955–2961
  • Butcher R. L., Reber J. E., Lishman A. W., Breuel K. F., Schrick F. N., Spitzer J. C., Inskeep E. K. Maintenance of pregnancy in postpartum beef cows that have short-lived corpora lutea. J. Anim. Sci. 1992; 70: 3831–3837
  • Chien Y. E. Methods to achieve sustained drug delivery. A physical approach: Implants. Sustained and Controlled Release Drug Delivery Systems, J. R. Robinson. Marcel Dekker, New York 1978; 326–327
  • Christensen D. A., Kesler D. J. Passage of testosterone, testosterone propionate and testosterone enanthate from silastic implants and the retention of testosterone once it enters the blood of ewes. Anim. Reprod. Sci. 1984; 7: 531–536
  • Darling L. Veterinary Pharmaceuticals and Biologicals. Veterinary Medicine Publishing Co., Lenexa, KS 1993; 892
  • Favero R. J., Faulkner D. B., Kesler D. J. Norgestomet implants synchronize estrus and enhance fertility in beef heifers subsequent to a timed artificial insemination. J. Anim. Sci. 1993; 71: 2594–2600
  • Gilbert H. G., Phillipps G. H., English A. F., Stephenson L., Woollett E. A., Newall C. E., Child K. J. The progestational and anti-estrogenic activities of some novel 11β-substituted steroids. Steroids 1974; 23: 585–602
  • Kesler D. J. Remotely-delivered contraception with needle-less norgestomet implants. Contraception in Wildlife Management, T. J. Kreeger, in press
  • Kesler D. J. Novel approaches and applications of steroid hormone delivery via polydimethylsiloxane. Applied Bioactive Polymeric Materials, C. G. Gebelein, R. L. Dunn. Plenum Press, New York 1989; 125–138
  • Kesler D. J., Khazali H., Favero R. J. Quantification of steroids via a polymer linked second antibody enzyme immunoassay system: Methods of linking anti-rabbit IgG to poly(styrene). Progress in Biomedical Polymers, C. G. Gebelein, R. L. Dunn. Plenum Press, New York 1990; 157–170
  • Kesler D. J., Favero R. J. In vitroin vivo secretion of norgestomet from matrix silicone and hydron implants and pregnancy rates of females synchronized with norgestomet. Proc. Int. Symp. Controlled Release Bioactive Materials, R. Pearlman, J. A. Miller. Controlled Release Soc., Lincolnshire, IL 1989; 435–436
  • Kesler D. J., Favero R. J. Estrus synchronization in beef females with norgestomet and estradiol valerate. Part 2: Factors limiting and enhancing efficacy. Agri-Practice 1996; 17: 12–17
  • Kesler D. J., Favero R. J., Troxel T. R. A comparison of hydron and silicone implants in the bovine norgestomet and estradiol valerate estrus synchronization procedure. Drug Dev. Ind. Pharm. 1995; 21: 475–485
  • McCauley A. P., Geller J. S. Decisions for norplants programs. Population Reports, S. M. Goldstein. Population Information Program, The Johns Hopkins University, Baltimore, MD 1992; 31, (Ser. K, No. 4)
  • Moffett R. J., Zollers W. G., Jr., Welshons W. V., Kieborz K. R., Garverick H. A., Smith M. F. Basis of norgestomet action as a progestogen in cattle. Domestic Anim. Endocrinol. 1993; 10: 21–30
  • Odde K. G. A review of synchronization of estrus in postpartum cattle. J. Anim. Sci. 1990; 68: 817–830
  • Rajamahendran R., Taylor C. Follicular dynamics and temporal relationships among body temperature, oestrus, the surge of luteinizing hormone and ovulation in Holstein heifers treated with norgestomet. J. Reprod. Fertil. 1991; 92: 461–467
  • Roseman T. J. Release of steroids from a silicone polymer. J. Pharm. Sci. 1972; 61: 46–50
  • Savio J. D., Thatcher W. W. L., Badinga de la Sota R. L., Wolfenson D. Regulation of dominant follicle turnover during the oestrous cycle in cows. J. Reprod. Fertil. 1993; 97: 197–203
  • Searle G. D. & Company. Syncro-Mate-B®: Estrus synchronizer in cattle, Freedom of Information Summary (NADA 97–037). G. D. Searle & Company, Chicago, IL 1982; 16
  • Sinkula A. A. Methods to achieve sustained drug delivery. Sustained and Controlled Release Drug Delivery Systems, J. R. Robinson. Marcel Dekker, New York 1978; 411–543
  • Steel R. G. D., Torrie J. H. Principles and Procedures of Statistics. McGraw-Hill, New York 1960
  • White L. M., Warren R. J., Fayrer-Hosken R. A. Levenorgesterel implants as a contraceptive in captive white-tailed deer. J. Wild. Dis. 1994; 30: 241–246
  • Wishart D. F. Identification of steroids of high activity for control of the oestrous cycle in the dairy heifer. J. Reprod. Fertil. 1972; 30: 333–334

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