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370 related items for PubMed ID: 18456439

  • 1. Ram novelty and the duration of ram exposure affects the distribution of mating in ewes exposed to rams during the transition into the breeding season.
    Hawken PA, Beard AP.
    Anim Reprod Sci; 2009 Apr; 111(2-4):249-60. PubMed ID: 18456439
    [Abstract] [Full Text] [Related]

  • 2. Short term, repeated exposure to rams during the transition into the breeding season improves the synchrony of mating in the breeding season.
    Hawken PA, Evans AC, Beard AP.
    Anim Reprod Sci; 2008 Jul; 106(3-4):333-44. PubMed ID: 17616281
    [Abstract] [Full Text] [Related]

  • 3. The effects of ram exposure during progestagen oestrus synchronisation and time of ram introduction post progestagen withdrawal on fertility in ewes.
    Hawken PA, Beard AP, O'Meara CM, Duffy P, Quinn KM, Crosby TF, Boland MP, Evans AC.
    Theriogenology; 2005 Feb; 63(3):860-71. PubMed ID: 15629803
    [Abstract] [Full Text] [Related]

  • 4. Effect of ram exposure at the end of progestagen treatment on estrus synchronisation and fertility during the breeding season in ewes.
    Evans AC, Duffy P, Crosby TF, Hawken PA, Boland MP, Beard AP.
    Anim Reprod Sci; 2004 Sep; 84(3-4):349-58. PubMed ID: 15302377
    [Abstract] [Full Text] [Related]

  • 5. Sexual performance of rams sequentially exposed to short-tailed and fat-tailed ewes.
    Kridli RT, Abdullah AY, Shaker MM, Mahmoud KZ.
    Reprod Domest Anim; 2008 Aug; 43(4):497-501. PubMed ID: 18363610
    [Abstract] [Full Text] [Related]

  • 6. Effect of early and late exposure to estrual ewes on ram sexual performance classifications.
    Stellflug JN, Lewis GS.
    Anim Reprod Sci; 2007 Feb; 97(3-4):295-302. PubMed ID: 16533578
    [Abstract] [Full Text] [Related]

  • 7. Sexual experience and temperament affect the response of Merino ewes to the ram effect during the anoestrous season.
    Chanvallon A, Blache D, Chadwick A, Esmaili T, Hawken PA, Martin GB, Viñoles C, Fabre-Nys C.
    Anim Reprod Sci; 2010 Jun; 119(3-4):205-11. PubMed ID: 20193992
    [Abstract] [Full Text] [Related]

  • 8. Ram mating behavior after long-term selection for reproductive rate in Rambouillet ewes.
    Stellflug JN, Berardinelli JG.
    J Anim Sci; 2002 Oct; 80(10):2588-93. PubMed ID: 12413080
    [Abstract] [Full Text] [Related]

  • 9. The influence of breeding intensity on above- and below-average sexual performance rams in single- and multiple-sire breeding environments.
    Stellflug JN, Cockett NE, Lewis GS.
    Anim Reprod Sci; 2008 Mar 03; 104(2-4):248-56. PubMed ID: 17383123
    [Abstract] [Full Text] [Related]

  • 10. Effect of breed and age on sexual behaviour of rams.
    Simitzis PE, Deligeorgis SG, Bizelis JA.
    Theriogenology; 2006 May 03; 65(8):1480-91. PubMed ID: 16226306
    [Abstract] [Full Text] [Related]

  • 11. Accelerated lambing achieved by a photoperiod regimen consisting of alternating 4-month sequences of long and short days applied year-round.
    Cameron J, Malpaux B, Castonguay FW.
    J Anim Sci; 2010 Oct 03; 88(10):3280-90. PubMed ID: 20601525
    [Abstract] [Full Text] [Related]

  • 12. Prior exposure of maiden ewes to rams enhances their behavioural interactions with rams but is not a pre-requisite to their endocrine response to the ram effect.
    Hawken PA, Evans AC, Beard AP.
    Anim Reprod Sci; 2008 Oct 03; 108(1-2):13-21. PubMed ID: 17698305
    [Abstract] [Full Text] [Related]

  • 13. Effects of recent sexual experience and melatonin treatment of rams on plasma testosterone concentration, sexual behaviour and ability to induce ovulation in seasonally anoestrous ewes.
    Rosa HJ, Juniper DT, Bryant MJ.
    J Reprod Fertil; 2000 Sep 03; 120(1):169-76. PubMed ID: 11006159
    [Abstract] [Full Text] [Related]

  • 14. Combination of the ram effect with PGF2α estrous synchronization treatments in ewes during the breeding season.
    Ungerfeld R.
    Anim Reprod Sci; 2011 Mar 03; 124(1-2):65-8. PubMed ID: 21392902
    [Abstract] [Full Text] [Related]

  • 15. Ram effect: adult rams induce a greater reproductive response in anestrous ewes than yearling rams.
    Ungerfeld R, Ramos MA, González-Pensado SP.
    Anim Reprod Sci; 2008 Jan 30; 103(3-4):271-7. PubMed ID: 17208396
    [Abstract] [Full Text] [Related]

  • 16. The effect of melatonin treatment on the ovarian response of ewes to the ram effect.
    Abecia JA, Palacín I, Forcada F, Valares JA.
    Domest Anim Endocrinol; 2006 Jul 30; 31(1):52-62. PubMed ID: 16221539
    [Abstract] [Full Text] [Related]

  • 17. Use of gonadotropin releasing hormone to improve reproductive responses of ewes introduced to rams during seasonal anestrus.
    Jordan KM, Inskeep EK, Knights M.
    Anim Reprod Sci; 2009 Dec 30; 116(3-4):254-64. PubMed ID: 19261397
    [Abstract] [Full Text] [Related]

  • 18. Influence of classification levels of ram sexual activity on spring breeding ewes.
    Stellflug JN.
    Anim Reprod Sci; 2002 Apr 15; 70(3-4):203-14. PubMed ID: 11943490
    [Abstract] [Full Text] [Related]

  • 19. Continuous exposure to sexually active rams extends estrous activity in ewes in spring.
    Abecia JA, Chemineau P, Flores JA, Keller M, Duarte G, Forcada F, Delgadillo JA.
    Theriogenology; 2015 Dec 15; 84(9):1549-55. PubMed ID: 26329664
    [Abstract] [Full Text] [Related]

  • 20. Reproductive performance of Suffolk and Suffolk-cross ewes and ewe lambs exposed to vasectomized rams before breeding.
    Hudgens RE, Martin TG, Diekman MA, Waller SL.
    J Anim Sci; 1987 Nov 15; 65(5):1173-9. PubMed ID: 3693144
    [Abstract] [Full Text] [Related]

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