Diseases of cattle, sheep, goats and swineMoussu, G. (Gustave)
Science
Diseases of cattle, sheep, goats and swine
Moussu, G. (Gustave)
Veterinary medicine
Although oxen, sheep, goats, and pigs are much less subject to fractures
than the horse and dog, nevertheless, they do suffer from such
accidents. Repair is perfectly possible, but the cases are often not
worth treating, unless the subjects are young or of considerable value.
On the other hand, in fat and heavy subjects, it is difficult to fix the
parts in position. Slinging produces bad results, and generally should
not be encouraged.
Apart from fractures accompanying general chronic diseases, like
rachitis and osseous cachexia, the vertebræ, the pelvis, the ribs, or
any of the limb bones, may be fractured in consequence of accident.
Such fractures may be either complete or incomplete (fissures), simple
or compound.
The general signs which indicate fracture are always the same, viz.,
loss of function, local pain, abnormal mobility, crepitation, due to
rubbing together of the ends of the bones, and deformity of the part.
Diagnosis is generally easy; prognosis on the other hand is very
variable.
The vertebral column may be accidentally fractured in the region of the
neck in consequence of the animal falling on its head; in the
dorsolumbar region, from falling into ditches or ravines, or, in the
case of bulls fighting, from violent muscular efforts. Fractures of the
first kind are immediately fatal; those of the second result in
paraplegia of the hind limbs, and necessitate immediate slaughter.
=Fractures= of the =pelvis= comprise:—
1. Fractures of the angle of the haunch, resulting from external
violence and characterised by sinking of the external angle of the
ilium, deformity of the hip, and lameness without specially marked
characters. This fracture is rarely complicated. The symptoms of
lameness diminish with rest, but deformity continues.
2. Fractures of the floor of the pelvis, usually extending from the
anterior margin of the pubis to the foramen ovale and from the posterior
margin of the foramen ovale to the end of the symphysis. They result
from obstetrical manipulation, as in forcibly removing a fœtus which is
too large, or a monstrosity. As a rule, the animals cannot rise, or if
they succeed in doing so, are incapable of moving. Diagnosis is made by
exploration through the rectum. Such fractures always necessitate
slaughter.
Fractures of the neck of the ilium and of the base of the cotyloid
cavity, even in cases of dislocation, are rare despite what has been
said to the contrary.
In the fore limb, fractures of the scapula and humerus are usually of
traumatic origin, are seldom accompanied by marked displacement, and are
capable of uniting if a long rest at grass is allowed. Pitch bandages
should be applied to the surface, covering all the surrounding regions,
viz. the withers, upper portion of the forearm, girth and chest, to
assist in immobilising the region of fracture, and to promote union.
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