. 2021 May 3;99(5):skab043. doi: 10.1093/jas/skab043

Table 4.

Effects of music and noise on immune indexes of growing pigs

	Treatment	Day
		Day 4	Day 28	Day 60
IL-2, ng/L	Music	156.40^z ± 2.44	170.28^ay ± 3.31	186.82^ax ± 1.20
	Noise	158.42 ± 2.29	155.36^b ± 3.10	163.60^c ± 1.51
	Control	159.39^y ± 2.27	159.99^by ± 0.74	169.29^bx ± 1.21
	P _treatment < 0.001, F_2,34 = 27.73; P_day< 0.001, F_2,34 = 51.38; P_{treatment × day}< 0.001, F_2,34 = 11.77
IL-4, ng/L	Music	33.96^x ± 1.28	31.75^bx ± 1.12	25.11^by ± 1.69
	Noise	35.52 ± 1.02	34.63^a ± 0.85	33.12^a ± 1.48
	Control	32.11 ± 0.71	30.43^b ± 0.65	31.65^a ± 1.25
	P _treatment = 0.002, F_2,34 = 7.63; P_day= 0.003, F_2,34 = 7.01; P_{treatment × day} = 0.013, F_2,34 = 3.74
IFN-γ, ng/L	Music	92.81^y ± 2.05	96.03^ay ± 2.43	103.98^ax ± 1.80
	Noise	88.78 ± 4.92	89.04^b ± 2.33	88.08^b ±2 .39
	Control	87.76 ± 0.95	85.87^b ± 1.27	86.78^b ± 1.43
	P _treatment < 0.001, F_2,34 = 3.74; P_day = 0.180, F_2,34 = 1.81; P_{treatment × day} = 0.065, F_2,34 = 2.46
IgG, ug/mL	Music	502.77^by ± 4.66	472.15^bz ± 2.62	567.32^ax ± 2.48
	Noise	574.41^ax ± 2.15	511.43^az ± 2.92	545.46^by ± 1.39
	Control	501.01^by ± 2.46	479.08^by ± 0.71	528.02^bx ± 1.29
	P _treatment = 0.001, F_2,34 = 2.10; P_day< 0.001, F_2,34 = 41.59; P_{treatment × day}< 0.001, F_2,34 = 11.40

^a–cDifferent superscripts indicate a significant difference in different groups at P < 0.05. ^{x,– z}Different superscripts indicate a significant difference between different time points at P < 0.05.