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.