Table 4.

Weights of organs, fat depots and skeletal muscles at the age of 131 days in low (L) and normal (N) birth weight (BiW) pigs food restricted for 21 days (age 80–100 day) and subsequently refed ad libitum (R), and in pigs fed ad libitum throughout the experimental period (C)

	N		L		P valuec
	C	R	C	R	BiW	Feeding type
Fat depots
Omental fat	508ab ± 28	450a ± 28	567b ± 30	495ab ± 28	0.077	0.044
Ventral visceral fat	550ab ± 48	493ab ± 48	671b ± 52	453a ± 48	0.432	0.016
Σ Abdominal fat	1058ab ± 66	943a ± 66	1237b ± 71	970ab ± 66	0.150	0.015
Subcutaneous fatd covering
Shoulder	400 ± 37	445 ± 37	393 ± 39	360 ± 37	0.171	0.893
Neck	335 ± 32	326 ± 32	373 ± 34	350 ± 32	0.631	0.162
Ham	890 ± 64	868 ± 64	960 ± 69	749 ± 64	0.712	0.104
Backfatd	843 ± 87	755 ± 87	874 ± 94	676 ± 87	0.789	0.137
Σ Fat depotse	3527 ± 227	3337 ± 227	3833 ± 244	3083 ± 227	0.912	0.065
Organs
Liver	1240 ± 50	1295 ± 50	1284 ± 53	1241 ± 50	0.911	0.909
Kidneys (mean)	132 ± 5	134 ± 5	131 ± 5	129 ± 5	0.471	0.993
Heart	283 ± 11	274 ± 11	270 ± 12	254 ± 11	0.178	0.311
Pancreas	121 ± 7	117 ± 7	118 ± 7	109 ± 7	0.450	0.348
Musclesd
M. longissimus dorsi	1677 ± 89	1727 ± 89	1670 ± 95	1493 ± 89	0.203	0.494
M. semimembranosus	1038 ± 42	1011 ± 42	947 ± 45	875 ± 42	0.020	0.275
M. semitendinosus	332b ± 13	298ab ± 13	303ab ± 14	262a ± 13	0.035	0.018

Values are LSM ± SE (n = 8–9/group); all weights are in g

^abWithin a row, LSM without a common superscript differ (P ≤ 0.05, Tukey–Kramer test)

^cBiW × Feeding type interaction effects for all variables were not significant (P > 0.1)

^dTissue weights are related to the left half carcass

^eSum of the weights of abdominal fat depots, subcutaneous fat covering shoulder, neck and ham, and backfat