Table 1.

Birth weights of piglets classified into each IUGR category (score 0 = no IUGR to score 3 = severe IUGR)

	N	Minimum	Maximum	LS mean ± SE
IUGR 0	15	1.03	2.44	1.68 ± 0.09a
IUGR 1	22	0.98	2.08	1.57 ± 0.09ab
IUGR 2	21	0.78	1.79	1.33 ± 0.08bc
IUGR 3	9	0.53	1.56	1.04 ± 0.12c

Different superscript letters indicate significant differences between IUGR levels (P < 0.05)