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Table 2 Visibility, localisation and size of the omasum 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
6 7 8 9
Number of calves 1 5 6 2
Dorsal visible limit of omasum (cm) 40.0 30.4 ± 5.27 25.3 ± 3.33 24.5 ± 3.54
(25.0 – 39.0) (20.0 – 30.0) (22.0 – 27.0)
Ventral visible limit of omasum (cm) 44.5 34.8 ± 5.59 30.5 ± 5.01 29.5 ± 6.36
(29.0 – 44.0) (24.0 – 38.0) (25.0 – 34.0)
Size of omasum (cm) 4.5 4.4 ± 0.55 5.2 ± 2.40 5.0 ± 2.83
(4.0 – 5.0) (2.0 – 8.0) (3.0 – 7.0)