Table 1. Fasting levels of glucose, insulin, glucagon and GLP-1.

Litter 1
	All pigs (n = 8)	Females (n = 4)	Males (n = 4)
Weight (kg)	18.5 (17.2–20.1)	18.9 (18–20.1)	18.2 (17.2–19.3)
Fasting glucose (mmol/L)	5.8 (5.3–6.7)	5.8 (5.3–6.7)	5.9 (5.4–6.3)
Fasting insulin (pmol/L)	5.7 (2.6–12.0)	5.9 (2.6–9.7)	5.5 (3.0–12.0)
Litter 2
	All pigs (n = 10)	Females (n = 5)	Males (n = 5)
Weight (kg)	39.3 (35–43)	40.5 (36.5–43)	38.1 (35–40.5)
Fasting glucose (mmol/L)	5.7 (5.2–6.3)	5.5 (5.2–6.2)	6.0 (5.4–6.3)
Fasting insulin (pmol/L)	5.1 (0.5–11.8)	5.5 (1.7–11.8)	4.7 (0.5–11.3)
Fasting glucagon (mmol/L)	7.7 (5.7–10.9)	7.6 (5.7–10.9)	7.7 (5.8–9.0)
Fasting active GLP-1 (mmol/L)	8.8 (3.5–15.9)	7.9 (3.5–15.9)	9.7 (6–12.8)

Weight and fasting concentrations of blood glucose and plasma insulin, glucagon and active GLP-1 before IVGTT in litter 1 (Yorkshire x Swedish Landrace, 2 months old) and litter 2 (Yorkshire x Swedish Landrace x Hampshire, 3 months old). Values are mean (range).