Table 4.

Three day diurnal heats stress effects on pig blood metabolite and inflammation markers

Parameter	TN1	dHS2	SEM	P-value
Glucose, mg/dL	97.2	89.9	9.15	0.479
NEFA3, mmol/L	75.6	53.0	6.59	<0.010
Blood urea nitrogen, mg/dL	14.28	12.31	1.076	0.100
Insulin, ng/dL	0.12	0.07	0.022	0.020
sPLA24, µmol/min/ml	11.73	12.11	0.288	<0.010
Tumor necrosis fatcor-α, pg/ml	139	107	14.8	0.040
Interleukin-1β, pg/ml	N.D	N.D	-	-
Haptoglobin, mg/ml	0.47	0.65	0.088	0.060

¹Constant thermal neutral conditions (TN; 28°C; 40–60% humidity), n=24 pigs.

²Diurnal heat stress (dHS) consisting of 6 h at 38°C (40–60% humidity) and 18 h at 32°C (40–60% humidity) n=24 pigs.

³Non-esterified fatty acids

⁴Secretory phospholipase A2 activity

N.D. not detected