S299: Enhancing Production and Reproductive Performance of Heat-Stressed Dairy Cattle
(Multistate Research Project)
Status: Inactive/Terminating
SAES-422 Reports
03/28/2001
Dorado, C. M., L. M. McCann, J. A. Miller, and J. L. Edwards. 2001. Nuclear status of bovine oocytes exposed to elevated temperature after resumption of meiosis. Theriogenology 55(1):469. (Abstr.)
Ravagnolo, O., and I. Misztal. 2000. Genetic component of heat stress in dairy cattle, parameter estimation. J. Dairy Sci. 83:2126-2130.
Ravagnolo, O., I. Misztal, and G. Hoogenboom. 2000. Genetic component of heat stress in dairy cattle, development of heat index function. J. Dairy Sci. 83:2120-2125.
West, J. W., B. G. Mullinix, and J. K. Bernard. 2000. Influence of environmental conditions on body temperature, dry matter intake, and milk yield for lactating cows from spring through summer in the southeast. J. Dairy Sci. 83 (Suppl. 1):232. (Abstr.)
03/25/2002
Papers:
Dorado, CM, LM McCann, JA Miller, JL Edwards. 2001. Nuclear status of bovine oocytes exposed to elevated temperatures after resumption of meiosis. Theriogenology 55:469.
Edwards, JL, WA King, SJ Kawarsky, AD Ealy. 2001. Responsiveness of early embryos to environmental insults: Potential protective roles of HSP70 and glutathione. Theriogenology 55:209-224.
Ravagnolo, O, I Miztal. 2002. Effect of heat stress on nonreturn rate in Holsteins: Fixed-model analysis. J Dairy Sci: In Press.
Ravagnolo, O, I Miztal. 2002. Effect of heat stress on nonreturn rate in Holsteins: Genetic analysis. J Dairy Sci: In Press.
Ravagnolo, O, I Miztal. 2002. Studies on genetics of heat tolerance in dairy cattle with reduced weather information via cluster analysis. J Dairy Sci: In Press.
West, JW, BG Mullinix, JK Bernard. 2002. Effect of hot, humid weather on milk temperature, dry matter intake, and milk yield of lactating dairy cows. J Dairy Sci: In press.
Abstracts:
Al-Khatani, YM, M Drost, RL Monson, JJ Rutledge, CE Krininger III, J Block, WW Thatcher, PJ Hansen. 2002. Pregnancy rates following times embryo transfer with fresh or vitrified in vitro produced embryos in lactating dairy cows under heat stress conditions. ASAS/ADSA Meetings 2002.
Block, J, CC Chase, PJ Hansen. 2002. Inheritance of resistance of bovine preimplantation embryos to heat shock: Relative importance of maternal versus paternal contribution. ASAS/ADSA Meetings 2002.
Block, J, M Drost, RL Monson, JJ Rutledge, RM Rivera, FF Paula-Lopes, OM Ocon, PJ Hansen. 2002. Use of insulin-like growth factor-1 in culture and administration of GnRH to recipients to improve pregnancy rates following timed embryo transfer of in vitro-produced embryos to lactating dairy cows. ASAS/ADSA Meetings 2002.
Gandy, S., S. Bowers, K. Graves, A. Elias, S. Willard and C. Whisnant. 2002. Administration of GnRH post-breeding improves pregnancy rates and increases serum concentrations of progesterone during heat stress in dairy cattle. ASAS Southern Section Meetings, Orlando, FL.
Smith, T.R., S. Willard, A. Chapa, T. Riley and D. Pogue. 2002. The impact of tunnel ventilation on heat stress in lactating dairy cows: Effects on body temperature and respiration rate. ASAS Southern Section Meetings, Orlando, FL.
Spain, J.N., J. Sampson, D. Spiers. 2001. The relationship of indicators of thermal balance and milk production of cows on Missouri dairy farms. J. Anim. Sci. 79: Suppl. 1 p. 99.