Clinical Examination of Farm Animals - CYF MEDICAL DISTRIBUTION

Clinical Examination of the Gastrointestinal System
Abomasum
Rumen
Left
Right
Omasum
Figure 8.15 A left displaced abomasum.
A posterior transverse view at the level of
the 13 th rib.
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Figure 8.16 The progressive
development of a left displaced
abomasum: a left lateral view.
passing a stomach tube and decompressing any gas
that may be present. The clinical evaluation is then
repeated. A collapsed dorsal sac of the rumen can
produce a ping with a lower pitch. The rumen movements
may be normal or reduced in amplitude and
frequency.
Further confirmation can be achieved by abomasocentesis.
To perform an abomasocentesis, the
skin in the intercostal space over the ping is antiseptically
prepared and a lumbar-spinal needle quickly
inserted. Asample of abomasal fluid is withdrawn by
syringe. The pH of the sample can then be measured
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