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Results: 1 to 20 of 115

1.

Effect of reproductive tract scoring on reproductive efficiency in beef heifers bred by timed insemination and natural service versus only natural service.

Gutierrez K, Kasimanickam R, Tibary A, Gay JM, Kastelic JP, Hall JB, Whittier WD.

Theriogenology. 2014 Apr 15;81(7):918-24. doi: 10.1016/j.theriogenology.2014.01.008. Epub 2014 Jan 21.

PMID:
24560451
[PubMed - in process]
2.

Effect of the first GnRH and two doses of PGF2α in a 5-day progesterone-based CO-Synch protocol on heifer pregnancy.

Kasimanickam RK, Firth P, Schuenemann GM, Whitlock BK, Gay JM, Moore DA, Hall JB, Whittier WD.

Theriogenology. 2014 Apr 1;81(6):797-804. doi: 10.1016/j.theriogenology.2013.12.023. Epub 2014 Jan 4.

PMID:
24485555
[PubMed - in process]
3.

Timed artificial insemination early in the breeding season improves the reproductive performance of suckled beef cows.

Sá Filho MF, Penteado L, Reis EL, Reis TA, Galvão KN, Baruselli PS.

Theriogenology. 2013 Mar 1;79(4):625-32. doi: 10.1016/j.theriogenology.2012.11.016. Epub 2012 Dec 20.

PMID:
23261306
[PubMed - indexed for MEDLINE]
Free Article
4.

Artificial insemination at 56 h after intravaginal progesterone device removal improved AI pregnancy rate in beef heifers synchronized with five-day CO-Synch + controlled internal drug release (CIDR) protocol.

Kasimanickam R, Asay M, Firth P, Whittier WD, Hall JB.

Theriogenology. 2012 May;77(8):1624-31. doi: 10.1016/j.theriogenology.2011.12.007. Epub 2012 Jan 30.

PMID:
22289222
[PubMed - indexed for MEDLINE]
5.

Effect of breeding protocols and reproductive tract score on reproductive performance of dairy heifers and economic outcome of breeding programs.

Stevenson JL, Rodrigues JA, Braga FA, Bitente S, Dalton JC, Santos JE, Chebel RC.

J Dairy Sci. 2008 Sep;91(9):3424-38. doi: 10.3168/jds.2007-0804.

PMID:
18765601
[PubMed - indexed for MEDLINE]
6.

Postweaning growth and reproduction of beef heifers exposed to calve at 24 or 30 months of age in spring and fall seasons.

Morrison DG, Feazel JI, Bagley CP, Blouin DC.

J Anim Sci. 1992 Mar;70(3):622-30. Erratum in: J Anim Sci 1992 Jul;70(7):2278.

PMID:
1563989
[PubMed - indexed for MEDLINE]
Free Article
7.

Fixed-time insemination in peripuberal, lightweight replacement beef heifers after estrus synchronization with PGF2alpha and GnRH.

Dahlen CR, Lamb GC, Zehnder CM, Miller LR, DiCostanzo A.

Theriogenology. 2003 Apr 15;59(8):1827-37.

PMID:
12566155
[PubMed - indexed for MEDLINE]
8.

Effect of one or three timed artificial inseminations before natural service on reproductive performance of lactating dairy cows not observed for detection of estrus.

Lima FS, Bisinotto RS, Ribeiro ES, Ayres H, Greco LF, Galvão KN, Risco CA, Thatcher WW, Santos JE.

Theriogenology. 2012 Jun;77(9):1918-27. doi: 10.1016/j.theriogenology.2012.01.011. Epub 2012 Mar 22.

PMID:
22444549
[PubMed - indexed for MEDLINE]
9.

Reproduction in grazing dairy cows treated with 14-day controlled internal drug release for presynchronization before timed artificial insemination compared with artificial insemination after observed estrus.

Escalante RC, Poock SE, Mathew DJ, Martin WR, Newsom EM, Hamilton SA, Pohler KG, Lucy MC.

J Dairy Sci. 2013 Jan;96(1):300-6. doi: 10.3168/jds.2012-5853. Epub 2012 Nov 8.

PMID:
23141825
[PubMed - indexed for MEDLINE]
10.

The use of estradiol and/or GnRH in a two-dose PGF protocol for breeding management of beef heifers.

Martínez MF, Kastelic JP, Mapletoft RJ.

Theriogenology. 2004 Jul;62(1-2):363-72.

PMID:
15159127
[PubMed - indexed for MEDLINE]
11.

Fertility response of yearling beef heifers after prebreeding energy manipulation, estrous synchronization and timed artificial insemination.

Baptiste QS, Knights M, Lewis PE.

Anim Reprod Sci. 2005 Feb;85(3-4):209-21.

PMID:
15581505
[PubMed - indexed for MEDLINE]
12.

The effect of exogenous follicle stimulating hormone (FSH) and endogenous plasma leptin concentrations on the pregnancy rate of beef heifers subjected to fixed-timed artificial insemination (FTAI).

Gentry Jr GT, Gentry LR, Godke RA.

Anim Reprod Sci. 2013 Feb 9. pii: S0378-4320(13)00041-9. doi: 10.1016/j.anireprosci.2013.01.018. [Epub ahead of print]

PMID:
23452833
[PubMed - as supplied by publisher]
13.

Comparison of reproductive performance in lactating dairy cows bred by natural service or timed artificial insemination.

Lima FS, Risco CA, Thatcher MJ, Benzaquen ME, Archbald LF, Santos JE, Thatcher WW.

J Dairy Sci. 2009 Nov;92(11):5456-66. doi: 10.3168/jds.2009-2197.

PMID:
19841208
[PubMed - indexed for MEDLINE]
14.

Pregnancy rates and milk production in natural service and artificially inseminated dairy herds in Florida and Georgia.

de Vries A, Steenholdt C, Risco CA.

J Dairy Sci. 2005 Mar;88(3):948-56.

PMID:
15738229
[PubMed - indexed for MEDLINE]
15.

Resynchronization of previously timed-inseminated beef heifers with progestins.

Colazo MG, Kastelic JP, Mainar-Jaime RC, Gavaga QA, Whittaker PR, Small JA, Martinez MF, Wilde RE, Veira DM, Mapletoft RJ.

Theriogenology. 2006 Feb;65(3):557-72. Epub 2005 Jul 21.

PMID:
16039702
[PubMed - indexed for MEDLINE]
16.

Timed insemination of beef heifers using the 7-11 Synch protocol.

Eborn DR, Grieger DM.

J Anim Sci. 2013 Feb;91(2):666-72. doi: 10.2527/jas.2011-4951. Epub 2012 Dec 10.

PMID:
23230105
[PubMed - indexed for MEDLINE]
Free Article
17.

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
[PubMed - indexed for MEDLINE]
18.

Evaluation of reproductive and economic outcomes of dairy heifers inseminated at induced estrus or at fixed time after a 5-day or 7-day progesterone insert-based ovulation synchronization protocol.

Lopes G Jr, Johnson CR, Mendonça LG, Silva PR, Moraes JG, Ahmadzadeh A, Dalton JC, Chebel RC.

J Dairy Sci. 2013 Mar;96(3):1612-22. doi: 10.3168/jds.2012-5971. Epub 2013 Jan 26.

PMID:
23357022
[PubMed - indexed for MEDLINE]
19.

Comparison of long-term progestin-based protocols to synchronize estrus before fixed-time artificial insemination in beef heifers.

Mallory DA, Nash JM, Ellersieck MR, Smith MF, Patterson DJ.

J Anim Sci. 2011 May;89(5):1358-65. doi: 10.2527/jas.2010-3694. Epub 2011 Jan 28.

PMID:
21278110
[PubMed - indexed for MEDLINE]
Free Article
20.

Reproductive performance of lactating dairy cows treated with cloprostenol at the time of insemination.

López-Gatius F, Yániz JL, Santolaria P, Murugavel K, Guijarro R, Calvo E, López-Béjar M.

Theriogenology. 2004 Aug;62(3-4):677-89.

PMID:
15226022
[PubMed - indexed for MEDLINE]

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