Periodic 48 h feed withdrawal improves glucose tolerance in growing pigs by enhancing adipogenesis and lipogenesis

Table 4 Correlation coefficients for parameters associated with area under the curve (AUC) for glucose and insulin during the glucose tolerance test conducted in 21 wk old castrated pigs from control and feed withdrawal (FW) treatments.

Parameter	Factor	Correlation coefficient	P value
AUC Glucose	AUC Insulin	0.6847	0.0419
	insulin at 45 min	0.7269	0.0265
	insulin at 90 min	0.6711	0.0478
	Glucose at 30 min	0.8432	0.043
	Glucose at 45 min	0.8504	0.0037
	Glucose at 60 min	0.7736	0.0145
AUC Insulin	AUC Glucose	0.6846	0.0419
	Insulin prior to glucose meal	0.7152	0.0303
	insulin at 30 min	0.8357	0.005
	insulin at 45 min	0.9345	0.002
	insulin at 60 min	0.6733	0.0468
	Glucose at 30 min	0.807	0.0086
	Glucose at 45 min	0.7063	0.0335
	Glucose at 60 min	0.6805	0.0437

Control (no FW),
Single feed withdrawal (FWx1) for 48 h at 19 wk of age
Multiple feed withdrawal (FWx4) for 24 h at age 7 and 11 wk and for 48 h at 15 and 19 wk treatments
n = 9

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