. 2019 Aug 26;33(7):1138–1147. doi: 10.5713/ajas.19.0576

Table 2.

The main effect of day after weaning on temperature measurements (°C) of the body surface of sows

Items	Post-weaning (day, n = 528)¹⁾								SEM	p-value

	1	2	3	4	5	6	7	8
Body surface
Vulva	34.40^d ±0.094	34.39^d ±0.067	34.66^bc ±0.067	35.15^a ±0.069	34.83^b ±0.068	34.48^cd ±0.068	34.48^cd ±0.076	34.15^e ±0.092	0.029	<0.001
Udder	34.71^a ±0.096	34.61^ab ±0.068	34.77^a ±0.069	34.82^a ±0.070	34.40^bc ±0.069	34.05^d ±0.070	34.21^cd ±0.078	33.76^e ±0.094	0.031	<0.001
Ear	33.76^d ±0.117	33.76^d ±0.083	34.25^abc ±0.084	34.50^a ±0.086	34.33^ab ±0.084	34.01^cd ±0.085	34.15^bc ±0.095	33.81^d ±0.114	0.037	<0.001
Back	33.36^f ±0.089	33.49^f ±0.063	33.82^e ±0.064	34.11^d ±0.065	34.48^bc ±0.064	34.30^cd ±0.065	34.74^a ±0.072	34.64^ab ±0.087	0.027	<0.001
Temperature difference between target sites
VU	−0.32^b ±0.094	−0.23^b ±0.067	−0.11^b ±0.067	0.33^a ±0.069	0.43^a ±0.067	0.44^a ±0.068	0.27^a ±0.076	0.39^a ±0.091	0.029	<0.001
VE	0.64a ±0.098	0.63^a ±0.070	0.41^ab ±0.070	0.66^a ±0.072	0.50^ab ±0.071	0.47^ab ±0.071	0.34^b ±0.080	0.34^b ±0.096	0.030	0.014
VB	1.05^a ±0.125	0.93^a ±0.089	0.84^a ±0.089	0.99^a ±0.091	0.31^b ±0.089	0.18^b ±0.090	−0.26^c ±0.101	−0.46^c ±0.121	0.040	<0.001

Value shown is the mean±standard deviation from day 1 to day 8 post-weaning.

SEM, standard error of the mean; VU, vulva - udder; VE, vulva - ear base; VB, vulva - central back.

¹⁾

n, sample size = 132 sows×4 measurements per day.

^a–d

Means within a row without a common superscript letter differ (p<0.05).