Table 2. Effects of cooling system and drinking temperature on behavior characteristics of sows

Item Coling system DWT (°C) SEM p-value
AC CP SC MS LWT HWT C D C Х D
Drinking 5.86b 6.06b 10.39a 10.2a 8.18 8.10 0.21 < 0.01 0.621 0.868
Standing (%) 9.51b 9.82b 14.18a 15.1a 12.26 12.06 0.46 < 0.01 0.539 0.483
Position change (times) 5.38b 5.98b 8.21a 8.31a 7.01 6.93 0.25 < 0.01 0.634 0.995
Lying (%) 80.80a 80.90a 75.21b 74.9b 77.87 78.06 0.64 < 0.01 0.69 0.719
Sitting (%) 9.68 9.28 10.60 9.92 9.86 9.88 0.53 0.111 0.961 0.753
Feeding 0.58 0.63 0.60 0.59 0.61 0.59 0.02 0.181 0.462 0.923
Nursing 1.96 1.84 1.83 1.96 1.97 1.83 0.19 0.859 0.333 0.499
Means with different superscripts in the same row significantly differ at p < 0.05.
DWT, drinking water temperature; AC, air conditioner; CP, cooling pad; SC, snout cooling; MS, mist spray; LWT : low water temperature; HWT, high water temperature; C, cooling system; D, drink temperature.