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Items: 1 to 20 of 285

1.

Effect of timing of initiation of resynchronization and presynchronization with gonadotropin-releasing hormone on fertility of resynchronized inseminations in lactating dairy cows.

Lopes G Jr, Giordano JO, Valenza A, Herlihy MM, Guenther JN, Wiltbank MC, Fricke PM.

J Dairy Sci. 2013 Jun;96(6):3788-98. doi: 10.3168/jds.2012-6429. Epub 2013 Apr 12.

PMID:
23587390
2.
3.

Effect of presynchronization with human chorionic gonadotropin or gonadotropin-releasing hormone 7 days before resynchronization of ovulation on fertility in lactating dairy cows.

Giordano JO, Wiltbank MC, Guenther JN, Ares MS, Lopes G Jr, Herlihy MM, Fricke PM.

J Dairy Sci. 2012 Oct;95(10):5612-25. doi: 10.3168/jds.2011-5035. Epub 2012 Aug 9.

PMID:
22884344
4.

Manipulation of progesterone to increase ovulatory response to the first GnRH treatment of an Ovsynch protocol in lactating dairy cows receiving first timed artificial insemination.

Carvalho PD, Wiltbank MC, Fricke PM.

J Dairy Sci. 2015 Dec;98(12):8800-13. doi: 10.3168/jds.2015-9968. Epub 2015 Oct 9.

PMID:
26454293
5.

Presynchronization using a modified Ovsynch protocol or a single gonadotropin-releasing hormone injection 7 d before an Ovsynch-56 protocol for submission of lactating dairy cows to first timed artificial insemination.

Carvalho PD, Guenther JN, Fuenzalida MJ, Amundson MC, Wiltbank MC, Fricke PM.

J Dairy Sci. 2014 Oct;97(10):6305-15. doi: 10.3168/jds.2014-8222. Epub 2014 Jul 30.

PMID:
25087033
6.

Increased fertility in lactating dairy cows resynchronized with Double-Ovsynch compared with Ovsynch initiated 32 d after timed artificial insemination.

Giordano JO, Wiltbank MC, Guenther JN, Pawlisch R, Bas S, Cunha AP, Fricke PM.

J Dairy Sci. 2012 Feb;95(2):639-53. doi: 10.3168/jds.2011-4418.

PMID:
22281329
7.

Reproductive management strategies to improve the fertility of cows with a suboptimal response to resynchronization of ovulation.

Giordano JO, Thomas MJ, Catucuamba G, Curler MD, Masello M, Stangaferro ML, Wijma R.

J Dairy Sci. 2016 Apr;99(4):2967-2978. doi: 10.3168/jds.2015-10223. Epub 2016 Jan 29.

PMID:
26830745
8.

Effect of an Ovsynch56 protocol initiated at different intervals after insemination with or without a presynchronizing injection of gonadotropin-releasing hormone on fertility in lactating dairy cows.

Bruno RG, Moraes JG, Hernández-Rivera JA, Lager KJ, Silva PR, Scanavez AL, Mendonça LG, Chebel RC, Bilby TR.

J Dairy Sci. 2014;97(1):185-94. doi: 10.3168/jds.2013-6827. Epub 2013 Nov 1.

PMID:
24183690
9.

Supplemental progesterone and timing of resynchronization on pregnancy outcomes in lactating dairy cows.

Bilby TR, Bruno RG, Lager KJ, Chebel RC, Moraes JG, Fricke PM, Lopes G Jr, Giordano JO, Santos JE, Lima FS, Stevenson JS, Pulley SL.

J Dairy Sci. 2013;96(11):7032-42. doi: 10.3168/jds.2013-6960. Epub 2013 Sep 5.

PMID:
24011951
10.

Effect of gonadotropin-releasing hormone or prostaglandin F(2α)-based estrus synchronization programs for first or subsequent artificial insemination in lactating dairy cows.

Bruno RG, Farias AM, Hernández-Rivera JA, Navarrette AE, Hawkins DE, Bilby TR.

J Dairy Sci. 2013 Mar;96(3):1556-67. doi: 10.3168/jds.2012-5885. Epub 2013 Jan 4.

PMID:
23295117
11.

Reproductive performance of dairy cows managed with a program aimed at increasing insemination of cows in estrus based on increased physical activity and fertility of timed artificial inseminations.

Giordano JO, Stangaferro ML, Wijma R, Chandler WC, Watters RD.

J Dairy Sci. 2015 Apr;98(4):2488-501. doi: 10.3168/jds.2014-8961. Epub 2015 Feb 7.

PMID:
25660744
12.

A modified presynchronization protocol improves fertility to timed artificial insemination in lactating dairy cows.

Navanukraw C, Redmer DA, Reynolds LP, Kirsch JD, Grazul-Bilska AT, Fricke PM.

J Dairy Sci. 2004 May;87(5):1551-7.

PMID:
15291005
13.

Reproductive performance of grazing dairy cows following presynchronization and resynchronization protocols.

Ribeiro ES, Cerri RL, Bisinotto RS, Lima FS, Silvestre FT, Greco LF, Thatcher WW, Santos JE.

J Dairy Sci. 2011 Oct;94(10):4984-96. doi: 10.3168/jds.2011-4225.

PMID:
21943749
14.

Pregnancy per artificial insemination in lactating dairy cows subjected to 2 different intervals from presynchronization to initiation of Ovsynch protocol.

Colazo MG, Ponce-Barajas P, Ambrose DJ.

J Dairy Sci. 2013;96(12):7640-8. doi: 10.3168/jds.2013-6750. Epub 2013 Oct 4.

PMID:
24094535
15.

Fertility in dairy cows following presynchronization and administering twice the luteolytic dose of prostaglandin F2α as one or two injections in the 5-day timed artificial insemination protocol.

Ribeiro ES, Bisinotto RS, Favoreto MG, Martins LT, Cerri RL, Silvestre FT, Greco LF, Thatcher WW, Santos JE.

Theriogenology. 2012 Jul 15;78(2):273-84. doi: 10.1016/j.theriogenology.2012.01.012. Epub 2012 May 11.

PMID:
22578621
16.

Modifications of the G6G timed-AI protocol improved pregnancy per AI and reduced pregnancy loss in lactating dairy cows.

Heidari F, Dirandeh E, Ansari Pirsaraei Z, Colazo MG.

Animal. 2017 Nov;11(11):2002-2009. doi: 10.1017/S1751731117000520. Epub 2017 Mar 15.

PMID:
28294091
17.

Effect of interval between induction of ovulation and artificial insemination (AI) and supplemental progesterone for resynchronization on fertility of dairy cows subjected to a 5-d timed AI program.

Bisinotto RS, Ribeiro ES, Martins LT, Marsola RS, Greco LF, Favoreto MG, Risco CA, Thatcher WW, Santos JE.

J Dairy Sci. 2010 Dec;93(12):5798-808. doi: 10.3168/jds.2010-3516.

PMID:
21094752
18.

Resynchronization of ovulation and timed insemination in lactating dairy cows III. Administration of GnRH 23 days post AI and ultrasonography for nonpregnancy diagnosis on day 30.

Bartolome JA, Sozzi A, McHale J, Swift K, Kelbert D, Archbald LF, Thatcher WW.

Theriogenology. 2005 Apr 1;63(6):1643-58.

PMID:
15763108
19.

Evaluation of presynchronized resynchronization protocols for lactating dairy cows.

Chebel RC, Scanavez AA, Silva PR, Moraes JG, Mendonça LG, Lopes G Jr.

J Dairy Sci. 2013 Feb;96(2):1009-20. doi: 10.3168/jds.2012-5892. Epub 2012 Dec 6.

PMID:
23219121
20.

A new presynchronization system (Double-Ovsynch) increases fertility at first postpartum timed AI in lactating dairy cows.

Souza AH, Ayres H, Ferreira RM, Wiltbank MC.

Theriogenology. 2008 Jul 15;70(2):208-15. doi: 10.1016/j.theriogenology.2008.03.014. Epub 2008 May 12.

PMID:
18468675

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