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Table 1 Visibility, localisation and size of the rumen in 10 calves with ruminal drinking syndrome (mean, sd, min., max.)

From: Ultrasonographic examination of the forestomachs and the abomasum in ruminal drinker calves

Variable Intercostal spaces Flank
7 8 9 10 11 12 Cranial Caudal
Number of calves 3 8 10 10 10 10 9 7
Dorsal visible limit of rumen (cm) 30.0 ± 8.89 24.5 ± 3.34 19.5 ± 3.21 16.2 ± 2.62 13.9 ± 1.79 12.1 ± 1.66 12.0 ± 1.66 12.1 ± 2.73
(23.0 – 40.0) (20.0 – 28.0) (15.0 – 26.0) (12.0 – 22.0) (11.0 – 17.0) (9.0 – 15.0) (8.0 – 13.0) (6.0 – 14.0)
Ventral visible limit of rumen (cm) 36.3 ± 10.41 36.1 ± 7.61 32.2 ± 9.34 33.9 ± 9.18 34.7 ± 9.73 33.3 ± 10.80 33.1 ± 12.45 34.0 ± 11.46
(28.0 – 48.0) (29.0 – 49.0) (20.0 – 48.0) (21.0 – 48.0) (22.0 – 51.0) (17.0 – 51.0) (17.0 – 53.0) (18.0 – 49.0)
Size of rumen (cm) 6.3 ± 4.73 11.6 ± 8.53 12.8 ± 9.74 17.7 ± 9.60 20.8 ± 9.24 21.2 ± 10.25 21.1 ± 11.78 21.9 ± 10.17
(1.0–10.0) (3.0 – 25.0) (3.0 – 30.0) (6.0 – 36.0) (11.0 – 36.0) (8.0 – 39.0) (8.0 – 41.0) (12.0 – 36.0)
Distance of longitudinal groove from midline of back (cm) - 30.0 ± 4.32 25.0 ± 4.54 25.6 ± 4.69 25.6 ± 5.02 25.7 ± 4.68 27.8 ± 4.55 28.8 ± 6.08
(26.0 – 36.0 (18.0 – 33.0) (21.0 – 35.0) (20.0 – 34.0) (21.0 – 32.0) (23.0 – 33.0) (23.0 – 34.0)
Size of dorsal sac of rumen (cm) - 5.8 ± 2.87 6.8 ± 3.85 9.6 ± 5.10 12.4 ± 5.50 12.7 ± 5.79 15.0 ± 4.80 15.5 ± 6.40
(2.0 – 8.0) (2.0 – 12.0) (3.0 – 17.0) (7.0 – 24.0) (7.0 – 21.0) (10.0 – 20.0) (9.0 – 21.0)
Size of ventral sac of rumen (cm) - 10.0 ± 6.22 9.0 ± 5.70 9.8 ± 4.89 8.3 ± 4.81 9.7 ± 5.71 10.2 ± 6.83 9.0 ± 4.32
(3.0 – 17.0) (3.0 – 18.0) (4.0 – 20.0) (2.0 – 17.0) (4.0 –20.0) (4.0 – 21.0) (5.0 – 15.0)