Table 2 Small intestine histomorphometrical parameters from normal (NW) and intrauterine growth restricted (IUGR) male littermate pigs throughout the production phases.

From: Intrauterine growth restriction and its impact on intestinal morphophysiology throughout postnatal development in pigs

Parameters

Birth

26 days

70 days

150 days

NW (n = 8)

IUGR (n = 8)

P-value

NW (n = 10)

IUGR (n = 10)

P-value

NW (n = 10)

IUGR (n = 10)

P-value

NW (n = 10)

IUGR (n = 10)

P-value

Duodenum

Villus height (µm)

416 ± 12a

398 ± 10a

0.342

334 ± 47a

323 ± 47a

0.875

313 ± 23a

193 ± 23b

0.007

395 ± 39a

246 ± 39b

0.036

Crypt depth (µm)

125 ± 7a

111 ± 7a

0.217

324 ± 15a

288 ± 15a

0.140

441 ± 21a

526 ± 15b

0.023

567 ± 70a

555 ± 70a

0.909

Mucosal height (µm)

557 ± 53a

571 ± 29a

0.348

536 ± 103a

486 ± 115a

0.476

833 ± 37a

785 ± 37a

0.433

1054 ± 208a

1236 ± 205a

0.355

Villus/crypt ratio

3.4 ± 0.3a

4.0 ± 0.3a

0.192

1.0 ± 0.1a

0.9 ± 0.1a

0.760

0.7 ± 0.1a

0.4 ± 0.1b

0.002

0.7 ± 0.1a

0.5 ± 0.1a

0.110

V.S.A (mm2)

0.61 ± 0.07a

0.47 ± 0.07a

0.194

0.13 ± 0.02a

0.12 ± 0.0a

0.903

0.015 ± 0.02a

0.07 ± 0.02b

0.012

0.25 ± 0.02a

0.13 ± 0.02b

0.006

Absorptive area

0.030 ± 0.004a

0.024 ± 0.004a

0.620

0.06 ± 0.01a

0.05 ± 0.01a

0.350

0.09 ± 0.01a

0.06 ± 0.01b

0.034

0.080 ± 0.004a

0.050 ± 0.004b

0.002

G.C/crypt (mm2)

3415 ± 350a

3306 ± 477a

0.714

3222 ± 169a

2862 ± 252a

0.683

2748 ± 257a

3209 ± 481a

0.522

4238 ± 254 a

4145 ± 256 a

0.785

Jejunum

Villus height (µm)

760 ± 52a

577 ± 48a

0.455

249 ± 20a

225 ± 9a

0.914

372 ± 21a

337 ± 19a

0.882

395 ± 39a

246 ± 39a

0.587

Crypt depth (µm)

100 ± 2a

73 ± 3a

0.221

201 ± 21a

184 ± 13a

0.467

328 ± 31a

326 ± 18a

0.667

567 ± 70a

555 ± 70a

0.9888

Mucosal height (µm)

328 ± 102a

665 ± 44a

0.144

560 ± 31a

540 ± 36a

0.835

755 ± 32a

655 ± 32a

0.469

1054 ± 208a

1236 ± 205a

0.588

Villus/crypt ratio

8.7 ± 0.7a

7.8 ± 0.4a

0.423

1.3 ± 0.1a

1.1 ± 0.0a

0.766

1.2 ± 0.1a

1.0 ± 0.1a

0.651

0.7 ± 0.1a

0.5 ± 0.1a

0.833

V.S.A (mm2)

0.07 ± 0.10a

0.06 ± 0.04a

0.645

0.04 ± 0.01a

0.03 ± 0.01a

0.844

0.06 ± 0.01a

0.06 ± 0.01a

0.977

0.25 ± 0.02a

0.13 ± 0.02a

0.566

Absorptive area

0.030 ± 0.001a

0.030 ± 0.001a

0.894

0.040 ± 0.004a

0.030 ± 0.001a

0.721

0.010 ± 0.002a

0.010 ± 0.002a

0.945

0.080 ± 0.004a

0.050 ± 0.004a

0.760

G.C/crypt (mm2)

2455 ± 310a

3104 ± 277a

0.521

3215 ± 157a

2562 ± 252a

0.682

2345 ± 257a

3217 ± 281a

0.562

3615 ± 244a

3288 ± 235a

0.185

  1. Villus/crypt ratio: villus height/crypt depth.
  2. V.S.A villus surface area. G.C/crypt goblet cell number per crypt.
  3. abWithin the same age, least square means with different superscripts within a row differ (P < 0.05).