Journal of Animal and Veterinary Advances

Year: 2010
Volume: 9
Issue: 1
Page No. 144 - 148

Comparison of Reproductive Parameters, Plasma and Milk E2 and P4 Concentrations Following Application of Ovsynch-CIDR vs. Two Consecutive Injections of PGF2α, in Dairy Holstein Cows

Authors : A.H. Fallah Rad and G. Ajam

References

Alnimer, M., G. De Rosa, F. Grasso, F. Napolitano and A. Bordi, 2002. Effect of climate on the response to three oestrous synchronization techniques in lactating dairy cows. Anim. Reprod. Sci., 71: 157-168.

Alvarez, R.H., J.P. Massat and C.F. Meirelles, 1989. Early pregnancy diagnosis in cows using a milk progesterone immunoassay field test. Revista Brasileira de Reproducao Anim., 13: 25-32.

Ambrose, D.J., D.G.V. Emmanuel, M.G. Colazo and J.P. Kastelic, 2008. Short communication: Pregnancy rates to timed artificial insemination in holstein heifers given prostaglandin F2 {"} twenty-four hours before or concurrent with removal of an intravaginal progesterone-releasing insert. J. Dairy Sci., 91: 2678-2683.

Berber, R.C.A., E.H. Madureira and P.S. Barucelli, 2002. Comparison of two ovsynch protocols (GnRH versus LH) for fixed timed insemination in buffalo (Bubalus bubalis). Theriogenology, 57: 1421-1430.

Burke, C.R., M.P. Boland and K.L. Macmillan, 1999. Ovarian responses to Progesterone and Oestradiol benzoate administered intravaginally during dioestrus in cattle. Anim. Reprod. Sci., 55: 23-33.

Butler, W.R., 2001. Nutritional effects on resumption of cyclicity and on conception rate. Proceedings of the Dairy Fertility in Northern Ireland, pp: 13.

Cordoba, M.C. and P.M. Fricke, 2001. Evaluation of two hormonal protocols for synchronization of ovulation and timed artificial insemination in dairy cows managed in grazing-based dairies. J. Dairy Sci., 84: 2700-2708.
CrossRef  |  

Drillich, M., B.A. Tenhagen and W. Heuwiezer, 2000. Effect of one spontaneous estrus cycle (after synchronization with PGF2) on reproductive performance in dairy cows. Theriogenology, 54: 1389-1394.

Francos, G., 1998. Association between milk progesterone concentration after first insemination and conception in dairy cattle in Israel. Vet. Rec., 142: 63-64.

Grohn, Y.T. and P.J. Rajala-Schultz, 2000. Epidemiology of reproductive performance in dairy cows. Anim. Reprod. Sci., 60-61: 605-614.
PubMed  |  Direct Link  |  

Humblot, P., 2001. Use of pregnancy specific proteins and Progesterone assays to monitor pregnancy and determine the timing, frequencies and source of embryonic mortality in ruminants. Theriogenology, 56: 1417-1433.

Karagiannidis, A.K., 1990. Factors affecting the accuracy of early pregnancy diagnosis in cattle by RIA of Progesterone in milk. Bull. Hellenic Vet. Med. Soc., 41: 84-99.

Lopez-Gatius, F., 2000. Reproductive performance of lactating dairy cows treated with cloprostenol, hCG and estradiol benzoate synchronization of estrous followed by timed artificial insemination. Theriogenology, 54: 551-558.
Direct Link  |  

Lopez-Gatius, F., P. Santolaria, J. Yaniz, J. Rutlant and M. Lopez-Bejar, 2001. Persistent ovarian follicles in dairy cows: A therapeutic approach. Theriogenology, 56: 649-659.
CrossRef  |  Direct Link  |  

Macmillan, K.L., I.J. Lean and C.T. Westwood, 1996. The effect of lactation on the fertility of dairy cows. Aust. Vet. J., 73: 141-147.

Melendez, P., G. Gonzalez, E. Aguilar, O. Loera, C. Risco and L.F. Archbald, 2006. Comparison of two estrus-synchronization protocols and timed artificial insemination in dairy cattle. J. Dairy Sci., 89: 4567-4572.

Mialot, J.P., G. Laumonnier, C. Ponsart, H. Fauxpoint, E. Barassin, A.A. Ponter and F. Deletang, 1999. Postpartum subestrus in dairy cows: Comparison of treatment with prostaglandin F2 or GnRH+prostaglandin F2+GnRH. Theriogenology, 52: 901-911.

Peters, A.R. and P.J.H. Ball, 1995. Reproduction in Cattle. 2nd Edn., Blackwell Science Ltd., Oxford Press, London, UK., Philadelphia, pp: 89-104.

Peters, A.R., 1996. Herd management for reproductive efficiency. Anim. Reprod. Sci., 42: 455-464.

Pieterse, M.C., O. Szenic, A.H. Willemse, C.S.A. Bajcsy, S.J. Dieleman and M.A.M. Taverne, 1990. Early pregnancy diagnosis in cattle by means of linear-array real-time ultrasound scanning of the uterus and qualitative and quantitative milk Progesterone test. Theriogenology, 33: 697-707.

Pursley, J.R., M.C. Wiltbank, J.S. Stevenson, J.S. Ottobre, H.A. Garverick and L.L. Anderson, 1997. Pregnancy rates per artificial insemination for cows and heifers inseminated at a synchronized ovulation or synchronized estrus. J. Dairy Sci., 80: 295-300.
CrossRef  |  Direct Link  |  

Pursley, J.R., M.O. Mee and M.C. Wiltbank, 1995. Synchronization of ovulation in dairy cows using PGF and GnRH. Theriogenology, 44: 915-923.
CrossRef  |  Direct Link  |  

Refsdal, A.O., 2000. To treat or not to treat: A proper use of hormones and antibiotics. Anim. Reprod. Sci., 60: 109-119.
PubMed  |  Direct Link  |  

Rhodes, F.M., C.R. Burke, A.B. Clark, M.E. Day and K.L. Macmillar, 2002. Effect of treatment with progesterone and oestradiol benzoate on ovarian follicular turnover in postpartum anoestrus cows and cows which have resumed oestrus cycles. Anim. Reprod. Sci., 69: 139-150.
Direct Link  |  

Seguin, B., 1997. Ovsynch: A method for breeding dairy cows without doing heat detection. Bovine Practitioner., 31: 11-16.

Silva, E., R.A. Sterry and P.M. Fricke, 2007. Assessment of a practical method for identifying anovular dairy cows synchronized for first postpartum timed artificial insemination. J. Dairy Sci., 90: 3255-3262.

Starbuck, G.R., A.O. Darwash, G.E. Mann and G.E. Lamming, 2001. The detection and treatment of post insemination Progesterone insufficiency in dairy cows. Proceedings of Dairy Fertility in Northern Ireland, pp: 78.

Stevenson, J.S., J.R. Pursley, H.A. Garverick, P.M. Fricke, D.J. Kesler, J.S. Ottobre and M.C. Wiltbank, 2006. Treatment of cycling and noncycling lactating dairy cows with progesterone during ovsynch. J. Dairy Sci., 89: 2567-2578.
CrossRef  |  Direct Link  |  

Stevenson, J.S., M.A. Portaluppi, D.E. Tenhouse, A. Lloyd, D.R. Eborn, S. Kacuba and J.M. DeJarnette, 2007. Interventions after artificial insemination: Conception rates, pregnancy survival and ovarian responses to gonadotropin-releasing hormone, human chorionic gonadotropin and progesterone. J. Dairy Sci., 90: 331-340.

Thatcher, W.W., F. Moreira, J.E.P. Santos, R.C. Mattos, F.L. Lopes, S.M. Pancarci and C.A. Risco, 2001. Effects of hormonal treatments on reproductive performance and embryo production. Theriogenology, 55: 75-89.
Direct Link  |  

Vasconcelos, J.L.M., R.W. Silcox, G.J.M. Rosa, J.R. Pursley and M.C. Wiltbank, 1999. Synchronization rate, size of the ovulatory follicle and pregnancy rate after synchronization of ovulation beginning on different days of the estrous cycle in lactating dairy cows. Theriogenology, 52: 1067-1078.
CrossRef  |  PubMed  |  Direct Link  |  

Waldmann, A., O. Reksen, K. Landsverk, E. Kommisrud, E. Dahl, A.O. Refsdal and E. Ropstad, 2001. Progesterone concentrations in milk fat at first insemination-effects on non-return and repeat-breeding. Anim. Reprod. Sci., 65: 33-41.

Xu, Z.Z. and L.J. Burton, 2000. Estrus synchronization of lactating dairy cows with GnRH. Progesterone and prostaglandin F2". J. Dairy Sci., 83: 471-476.

Xu, Z.Z. and L.J. Burton, S. McDougall and P.D. Jolly, 2000. Treatment of non-cyclic lactating dairy cows with Progesterone and Estradiol or with Progesterone, GnRH, prostaglandin F and Estradiol. J. Dairy Sci., 83: 464-470.

Xu, Z.Z., G.A. Verkerk, J.F. Mee, S.R. Morgan, B.A. Clark, C.R. Burke and L.J. Burton, 2000. Progesterone and follicular changes in post partum non-cyclic dairy cows after treatment with progesterone and estradiol or with progesterone, GnRH, PGF2 Theriogenology, 54: 273-282.

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