7Bohmanova J, Misztal I, Cole J B. Temperature-humidity indices as indicators of milk production losses due to heat stress [J]. J Dairy Sci, 2007, 90: 1947-1956.
8Ravagnolo O, MisztalI, Hoogenboom G. Genetic component of heat stress in dairy cattle, development of heat index function[J]. J Dairy Sei, 2000, 83: 2120-2125.
9Brouk M J, Smith J F, Harner J P. Effect of sprinkling frequency and airflow on respiration, body surface temperature and body temperature of heat stressed dairy cattle [A]. In: Proceedings of the Fifth International Dairy Housing Conference [C]. Joseph, Mieh:ASAE St. 2003. 263-268.
10Kabuga, J D, Sarpong K. Influence of weather conditions on milk production and rectal temperature of Holsteins fed two levels of concentrate[J]. Int J Biometeorol, 1991, 34:226-230.
