Sheep, Swine, and Poultry: Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc.Jennings, Robert
Science
Sheep, Swine, and Poultry: Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc.
Jennings, Robert
Poultry; Sheep; Swine
Bleeding from the angular or cheek-vein is recommended, in the lower
part of the cheek, at the spot where the root of the fourth tooth is
placed, which is the thickest part of the cheek, and is marked on the
external surface of the bone of the upper jaw by a tubercle,
sufficiently prominent to be very sensible to the finger when the skin
of the cheek is touched. This tubercle is a certain index to the
angular vein, which is placed below. The shepherd takes the sheep
between his legs; his left hand more advanced than his right, which he
places under the head, and grasps the under jaw near to the hinder
extremity, in order to press the angular vein, which passes in that
place, for the purpose of making it swell; he touches the right cheek at
the spot nearly equidistant from the eye and mouth, and there finds the
tubercle which is to guide him, and also feels the angular vein swelled
below this tubercle; he then makes the incision from below upward, half
a finger's breadth below the middle of the tubercle. When the vein is no
longer pressed upon, the bleeding will commonly cease; if not, a pin may
be passed through the lips of the orifice, and a lock of wool tied round
them.
For thorough bleeding, the jugular vein is generally to be preferred.
The sheep should be firmly held by the head by an assistant, and the
body confined between his knees, with its rump against a wall. Some of
the wool is then cut away from the middle of the neck over the jugular
vein, and a ligature, brought in contact with the neck by opening the
wool, is tied around it below the shorn spot near the shoulder. The vein
will soon rise. The orifice may be secured, after bleeding, as before
described.
The good effects of bleeding depend almost as much on the _rapidity_
with which the blood is abstracted, as the _amount_ taken. This is
especially true in acute diseases. _Either bleed rapidly or do not bleed
at all._ The orifice in the vein, therefore, should be of some length,
and made lengthwise with the vein. A lancet is by far the best
implement; and even a short-pointed penknife is preferable to the
bungling gleam. Bleeding, moreover, should always be resorted to, when
it is indicated at all, as nearly as possible to the _commencement_ of
the malady.
Public-domain text, read in full here on John Shaqi.
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