SAEVA Proceedings 2014 | Page 64

64   46TH  ANNUAL  CONGRESS  OF  THE  SAEVA        SKUKUZA      16-­‐20  FEBRUARY  2014     Authorship B.A. Murphy contributed to study design, data collection, study execution, data analysis and interpretation and preparation of the manuscript. M.H. Troedsson contributed to study design, data analysis and interpretation and preparation of the manuscript. C.M. Walsh contributed to study design, data collection, study execution, data analysis and interpretation and preparation of the manuscript. E.M. Woodward contributed to study design, data collection, study execution, data analysis and interpretation and preparation of the manuscript. L.H. Fallon contributed to data collection, study execution, data analysis and interpretation and preparation of the manuscript. R.L. Prendergast contributed to data collection, study execution and preparation of the manuscript. J.P. Ryle contributed to data collection and study execution. Manufacturers’ addresses aPurina Mills, LLC, Gray Summit, Missouri, USA. bWinchester Feed and Supply, Winchester, Kentucky, USA. cZilco, Christchurch, New Zealand. dGaN, Taipei, Taiwan. eArduino, Almuñécar, Spain. fSigma-Aldrich, St. Louis, Missouri, USA. gGraph Pad Software, San Diego, California, USA. References 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.   Hughes, J., Stabenfeldt, G. and Evans, J. (1975) The oestrous cycle of the mare. J. Reprod. Fertil., Suppl. 23, 161-166. Sharp, D. (1980) Environmental influences on reproduction in horses. Vet. Clin. North Am. Large Anim. Pract. 2, 207-223. Burkhardt, J. (1947) Transition from anoestrus in the mare and the effects of artificial lighting. J. Agric. Sci. 37, 64-68. Palmer, E. and Guillaume, D. (1992) Photoperiodism in the equine species–what is a long night? Anim. Reprod. Sci. 28, 21-30. Provencio, I., Rodriguez, I.R., Jiang, G., Hayes, W.P., Moreira, E.F. and Rollag, M.D. (2000) A novel human opsin in the inner retina. J. Neurosci. 20, 600-605. Lucas, R.J., Freedman, M.S., Lupi, D., Munoz, M., David-Gray, Z.K. and Foster, R.G. (2001) Identifying the photoreceptive inputs to the mammalian circadian system using transgenic and retinally degenerate mice. Behav. Brain Res. 125, 97-102. Reppert, S.M. and Weaver, D.R. (2002) Coordination of circadian timing in mammals. Nature 418, 935-941. Lewy, A.J., Wehr, T.A., Goodwin, F.K., Newsome, D.A. and Markey, S. (1980) Light suppresses melatonin secretion in humans. Science 210, 1267-1269. Fitzgerald, B., Affleck, K., Barrows, S., Murdoch, W., Barker, K. and Loy, R. (1987) Changes in LH pulse frequency and amplitude in intact mares during the transition into the breeding season. J. Reprod. Fertil. 79, 485-493. Irvine, C. and Alexander, S. (1993) Secretory patterns and rates of gonadotropin-releasing hormone, follicle-stimulating hormone, and luteinizing hormone revealed by intensive sampling of pituitary venous blood in the luteal phase mare. Endocrinology 132, 212-218. Nagy, P., Guillaume, D. and Daels, P. (2000) Seasonality in mares. Anim. Reprod. Sci. 60, 245262. Langlois, B. and Blouin, C. (1998) Effect of a horse’s month of birth on its future sport performance. II. Effect on annual earnings and annual earnings per start. EDP Sci. 47, 67-74. 13. Chemineau, P., Guillaume, D., Migaud, M., Thiéry, J., Pellicer, R.M. and Malpaux, B. (2008) Seasonality of reproduction in mammals: intimate regulatory mechanisms and practical implications. Reprod. Domest. Anim. 43, 40-47. Palmer, E. and Driancourt, M. (1981) Photoperiodic stimulation of the winter anoestrus 64