Table 2 Size and thickness of the spleen and the liver, circumference of the caudal vena cava, and diameter of the portal vein in calves from birth to 104 days of age (mean ± sd, range in brackets, all measurements in cm)
Organ (location) | Examination | ||||||
|---|---|---|---|---|---|---|---|
Variable | 1 | 2 | 3 | 4 | 5 | 6 | |
Spleen (ICS 7) | Size | 5.4 ± 1.9 (3.5 – 8.5) | 8.8 ± 3.5 (4.5 – 13.5) | 14.2 ± 2.1 (11.0 – 16.0) | 14.3 ± 3.5 (10.0 – 19.5) | 13.7 ± 3.5 (9.5 – 18.0) | 10.9 ± 4.1 (7.0 – 17.0) |
Thickness | 1.1± 0.4 (0.6 – 1.7) | 1.9 ± 0.7 (1.1 – 2.9) | 2.5 ± 0.6 (1.9 – 3.4) | 2.7 ± 0.7 (2.0 – 3.6) | 2.6 ± 0.7 (1.6 – 3.4) | 2.5 ± 0.5 (1.8 – 3.2) | |
Liver (ICS 9) | Size | 14.8 ± 3.8 (10.0 – 20.0) | 15.6 ± 3.2 (10.5 – 18.5) | 17.8 ± 6.2 (11.0 – 28.0) | 19.5 ± 3.7 (14.0 – 25.0) | 11.2 ± 0.6 (9.5 – 13.5) | 12.4 ± 2.5 (9.0 – 15.5) |
Thickness | 5.8 ± 0.6 (5.1 – 6.9) | 6.4 ± 0.4 (5.8 – 7.1) | 7.2 ± 0.8 (6.2 – 8.1) | 7.6 ± 0.8 (6.3 – 8.9) | 7.6 ± 0.9 (6.2 – 8.8) | 8.0 ± 0.7 (6.2 – 7.5) | |
Caudal vena cava (ICS 10) | Circum-ference | 4.2 ± 0.7 (3.4 – 4.9) | 5.3 ± 0.7 (4.5 – 6.0) | 6.5 ± 1.0 (5.6 – 8.5) | 6.2 ± 1.1 (4.9 – 7.7) | 5.5 ± 0.9 (4.2 – 6.6) | 5.6 ± 1.4 (3.8 – 7.8) |
Portal vein (ICS 10) | Diameter | 1.4 ± 0.2 (1.1 – 1.6) | 1.7 ± 0.2 (1.3 – 1.9) | 2.0 ± 0.3 (1.5 – 2.4) | 1.9 ± 0.3 (1.5 – 2.3) | 1.8 ± 0.3 (1.5 – 2.1) | 1.8 ± 0.3 (1.4 – 2.2) |