Environmental factors influencing heat stress in feedlot cattle1,2
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Arkin, 1991, Heat transfer properties of dry and wet furs of dairy cows, Trans. Am. Soc. Agric. Eng., 34, 2550, 10.13031/2013.31905
Arp, 1983, Effect of animal density, coat color and heat stress on performance of feedlot steers, Oklahoma Anim. Sci. Res. Rep. MP-114.
Brosh, 1998, Effects of solar radiation, dietary energy, and time of feeding on thermoregulatory responses and energy balance in cattle in a hot environment, J. Anim. Sci., 76, 2671, 10.2527/1998.76102671x
Brown-Brandl, T. M., R. A.Eigenberg, and J. A.Nienaber 2005. Heat stress risk factors for feedlot heifers. Pages 559–565 in Proc. 5th Int. Livest. Environ. Symp. Am. Soc. Agric. Eng., St. Joseph, MI.
Buffington, 1981, Black globe-humidity index (BGHI) as comfort equation for dairy cows, Am. Soc. Agric. Eng., 24, 711, 10.13031/2013.34325
Busby, 1996, Heat stress in feedlot cattle: Producer survey results.
Davis, 2003, Strategies to reduce feedlot cattle heat stress: Effects on tympanic temperature, J. Anim. Sci., 81, 649, 10.2527/2003.813649x
FASS, 1999, Guide for the Care and Use of Agricultural Animals in Agricultural Research and Teaching., 1st rev.
Gaughan, 2000, Respiration rate—Is it a good measure of heat stress in cattle?, Asian-Aust. J. Anim. Sci., 13, 329
Hahn, 1995, Environmental influences on feed intake and performance of feedlot cattle.
Hahn, 1997, Heat waves in relation to thermo-regulation, feeding behavior and mortality of feedlot cattle.
Hubbard, 1999, A climatological perspective on feedlot cattle performance and mortality to the THI, J. Prod. Agric., 12, 650, 10.2134/jpa1999.0650
LCI, 1970, Patterns of transit losses.
Mader, 2003, Environmental stress in confined beef cattle, J. Anim. Sci., 81, E110
Mader, 1997, Wind protection effects and airflow patterns in outside feedlots, J. Anim. Sci., 75, 26, 10.2527/1997.75126x
Mader, 1999, Shade and wind barrier effects on summer-time feedlot cattle performance, J. Anim. Sci., 77, 2065, 10.2527/1999.7782065x
Mader, T. L., L. R.Fell, and M. J.McPhee 1997b. Behavior response of non-Brahman cattle to shade in commercial feedlots. Pages 795–802 in Proc. 5th Int. Livest. Environ. Symp. Amer. Soc. Agric. Eng., St. Joseph, MI.
Mader, 1999, Feedlot diet roughage level of Hereford cattle exposed to excessive heat load, Prof. Anim. Sci., 15, 53, 10.15232/S1080-7446(15)31724-1
Mader, 2000, Managing Feedlot Heat Stress.
Mader, 2002, Feeding strategies for managing heat load in feedlot cattle, J. Anim. Sci., 80, 2373, 10.2527/2002.8092373x
McLean, 1963, The partition of insensible losses of body weight and heat from cattle under various climatic conditions, J. Physiol., 167, 427, 10.1113/jphysiol.1963.sp007160
Mitlöhner, 2001, Shade and water misting effects on behavior, physiology, performance, and carcass traits of heat-stressed feedlot cattle, J. Anim. Sci., 79, 2327, 10.2527/2001.7992327x
NOAA, 1976, Livestock hot weather stress, Operations Manual Letter C-31-76.
NRC, 1981, Effect of Environment on Nutrient Requirements of Domestic Animals.
NRC, 1987, Predicting Feed Intake of Food Producing Animals.
Robertshaw, 1985, Heat loss of cattle, Stress Physiology in Livestock.
Silanikove, 2000, Effects of heat stress on the welfare of extensively managed domestic ruminants, Livest. Prod. Sci., 67, 1, 10.1016/S0301-6226(00)00162-7