Ali, A. K. A., A. A. AL-Haidary, M. A. Alshaikh and E. Hayes. 1999. The effect of evaporative cooling in alleviating seasonal differences in milk production of Almarai dairy farms in the Kingdom of Saudi Arabia. Asian-Aust. J. Anim. Sci. 12:590- 596.
Armstrong, D., S. DeNise, F. Delfino, E. Hayes, P. Grundy, S. Montgomery and M. Correa. 1993. Comparing three different dairy cattle cooling systems during high environmental temperatures. J. Dairy Sci. 76(Suppl. 1): 24(Abstr.).
Beam, S. W. and W. R. Butler. 1997. Energy balance and ovarian follicle development prior to the first ovulation postpartum in dairy cows receiving three levels of dietary fat. Biol. Reprod. 56:133-142.
Butler, W. R. 2003. Energy balance relationships with follicular development, ovulation and fertility in postpartum dairy cows. Livest. Prod. Sci. 83:211-218.
Butler, W. R. and R. D. Smith. 1989. Interrelationships between energy balance and postpartum reproductive function in dairy cattle. J. Dairy Sci. 72:767-783.
Cartmill, J. A., S. Z. El-Zarkouny, B. A. Hensley, G. C. Lamb and J. S. Stevenson. 2001. Stage of cycle, incidence, and timing of ovulation, and pregnancy rates in dairy cattle after three timed breeding protocols. J. Dairy Sci. 84:1051-1059.
Flamenbaun, I., D. Wolfenson, A. Mamen and A. Berman. 1986. Cooling cattle by a combination of sprinkling and forced ventilation and its implementation in the shelter system. J. Dairy Sci. 69:3140-3147.
Fuquay, J. W. 1981. Heat stress as it affects animal production. J. Anim. Sci. 52:164-174.
Hsia, L. C. and M. M. Lainez. 2004. Effects of season, housing and physiological stage on drinking and other related behavior of dairy cows (Bos taurus). Asian-Aust. J. Anim. Sci. 17:1417- 1429.
Kamiya, M., Y. Kamiya, M. Tanaka and S. Shioya. 2006. Milk protein production and plasma 3-methylhistidine concentration in lactating Holstein cows exposed to high ambient temperatures. Asian-Aust. J. Anim. Sci. 19:1159-1163.
Kawate, N. 2004. Studies on the regulation of expression of luteinizing hormone receptor in ovary and the mechanism of follicular cyst formation in ruminants. J. Reprod. Dev. 50:1-8.
Lucy, M. C., J. D. Savio, L. Badinga, R. L. de la Sota and W. W. Thatcher. 1992. Factors that affect ovarian follicular dynamics in cattle. J. Anim. Sci. 70:3615-3626.
McGuire, M. A., D. K. Beede, M. A. DeLorenzo, C. J. Wilcox, G. B. Huntington, C. K. Reynolds and R. J. Collier. 1989. Effects of thermal stress and level of feed intake on portal plasma flow and net fluxes of metabolites in lactating Holstein cows. J. Anim. Sci. 67:1050-1060.
Mihm, M. and E. J. Austin. 2002. The final stages of dominant follicle selection in cattle. Dom. Anim. Endocrinol. 23:155-166.
Moreira, F., C. Orlandi, C. A. Risco, R. Mattos, F. Lopes and W. W. Thatcher. 2001. Effects of presynchronization and bovine somatotropin on pregnancy rates to a timed artificial insemination protocol in lactating dairy cows. J. Dairy Sci. 84: 1646-1659.
National Research Council. 1989. Nutrient requirements of dairy cattle. 6th Ed. Nationl Academy Press, Washington, DC, USA, pp. 157.
Nebel, R. L. and M. L. McGilliard. 1993. Interactions of high milk yield and reproductive performance in dairy cows. J. Dairy Sci. 76:3257-3268.
Pursley, J. R., P. M. Fricke, H. A. Garverick, D. J. Kesler, J. S. Ottobre, J. S. Stevenson and M. C. Wiltbank. 2001. Improved fertility in noncycling lactating dairy cows treated with exogenous progesterone during Ovsynch. J. Dairy Sci. 83 (Suppl. 1):1563(Abstr.).
Ryan, D., M. Scland, E. Kopel, D. Armstrong, L. Munyakazi, G. Gorlke and R. Ingergam. 1992. Evaluating two different evaporative cooling management systems for dairy cows in hot dry climate. J. Dairy Sci. 76(Suppl. 1): 240(Abstr.).
Smith, J., D. Armstrong, A. Correa, L. Auendens, A. Rubio and S. DeNise. 1993. Effects of spray and fan system on milk production and reproductive efficiency in hot arid climate. J. Dairy Sci. 76(Suppl. 1):240(Abstr.).
Staples, C. R., W. W. Thatcher and J. H. Clark. 1990. Relationship between ovarian activity and energy status during the early postpartum period of high producing dairy cows. J. Dairy Sci. 73:938-947.