SPECIAL REPORT ON DISEASES OF CATTLE
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48 VII. Diagram of the circulation of the blood 86 VIII. Position of the lung
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and irritation of the digestive tract. The rusts, such as _Puccinia graminis_, _P. straminis_, _P. Coronata_, and _P. arudinacea_, cause colic and diarrhea, and in some cases partial
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ean and the cavity injected once or twice daily with a solution of 1 dram of carbolic acid in 8 ounces of water. Under this treatment the pus may cease and the wound heal without comp
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n to be used in such case is made up as follows: Sulphate of zinc, 1 dram; carbolic acid, 2 drams; glycerin, 2 ounces; water, 14 ounces; mix. It is clear that this operation requires
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of 30 to 60 grains is good. Subnitrate of bismuth in doses of 1 to 2 drams may be given. Pulverized opium may be used, if the diarrhea is severe, in 1 to 2 dram doses. If the bowel mo
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first 24 hours, divided into three doses, and afterwards he gives 6 drams three times daily. Opium in doses of 2 to 3 drams may be given. To bring on evacuations of the bowels it is
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chronic poisoning may result. The poisonous dose for an ox is from 3 drams to 1 ounce. _Symptoms._--The symptoms of acute poisoning first appear as those of colic; the animal is rest
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symptoms have abated, iodid of potassium may be given, in doses of 2 drams each, three times a day for a week. No treatment is likely to be of avail until the cause is removed. COP
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y to be tedious. Tannin may be given internally in doses of one-half dram twice daily for a few days to neutralize the unabsorbed alkaloids of the ergot. At the same time give
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e the branches of a tree), become smaller and smaller, and ultimately ramify into every part of the body. Between the ultimate ramifications of the arteries and the beginning of the v
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y, and rapid, labored breathing. It is caused by non-closure of the foramen ovale, connecting the right with the left side of the heart, and the consequent mixing of the venous with t
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LOOD VESSELS, AND LYMPHATICS. DESCRIPTION OF PLATE. PLATE VII: Diagram illustrating the circulation of the blood. The arrows indicate the direction in which the blood flows. The va
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orrhage is profuse and persistent, either a drench composed of 1-1/2 drams of acetate of lead dissolved in a pint of water or 1-1/2 drams of gallic acid dissolved in a pint of water s
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tive tissue. Nerves divide and subdivide, sending off branches, which ramify in all parts of the body, and, as they near their terminations, they contain but one or two fibers. The b
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e ascertained by pouring a little cold water into the mouth), give 3 drams of stronger liquor ammonia, diluted with a quart of cold water. Be very careful in drenching the animal when
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ition to the wholesome dry food, and, by way of medicine, doses of 2 drams each of sulphate of iron and iodid of potassium may be given twice daily. In obstinate cases 2 drams ergot o
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tincture of chlorid of iron, 2 drams, may be given in a pint of water thrice a day. In some cases 1 or 2 teaspoonfuls of oil of turpentine twice
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After relief has been obtained the administration of belladonna in 2-dram doses daily for several days will tend to prevent a recurrence of the retention. When the body of the bladde
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ge doses of laudanum (2 ounces) or of solid extract of belladonna (2 drams) will not only soothe the pain but relax the spasm and favor the onward passage of the calculus. The animal
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Castile soap, or with a weak solution of sulphate of zinc (one-half dram to a quart of water). If these attentions are impossible, most cases, after cleansing, will do well if merely
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after this the sore may be treated by a daily injection of one-half dram sulphate of zinc, 1 dram carbolic acid, and 1 quart milk-warm water. SIGNS OF PREGNANCY. If a cow remains
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is avoids danger of exposure and yet leaves the whole arm free and untrammeled. Before inserting the hand it and the arm should be smeared with oil, lard, or vaseline, care being take
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ould be washed frequently with an antiseptic lotion (carbolic acid 1 dram in 1 quart of water). CONSTRICTION OF A MEMBER BY THE NAVEL STRING. In early fetal life the winding of the
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the pelvis or in the openings in the bones of its floor (obturator foramina) will give sufficient purchase for extraction. Another method is to insert a knife between the bone of the
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acid, or acetate of lead) may be thrown into the womb, and one-half-dram doses of acetate of lead may be given by the mouth, or 1 ounce powdered ergot of rye may be given in gruel. W
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ree are not without danger. Ergot of rye, 1 ounce, or its extract, 1 dram, may be resorted to to induce contraction of the womb. The mechanical extraction of the membranes is, however
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he teats and milk ducts with a solution of iodid of potassium (1-1/2 drams to 1 quart of water). This reduced the mortality to 17 per cent. Others followed this lead by the injection
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cted part is often fatal. It demands antiseptics (chlorid of zinc, 1 dram to 1 quart water) applied frequently to the part, or, if the case can not be attended, smear the affected qua
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acters. By fencing the spring in and giving the affected cows each 2 drams bisulphite of soda daily, the trouble was arrested promptly and permanently. CHAPPED TEATS. These may be
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ily with tincture of iodin, or an ointment of biniodid of mercury (1 dram) and lard (2 ounces) may be rubbed on the affected joints daily until they are blistered. In case of swelling
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elled in this way, carminatives and demulcent agents may be given--1 dram of anise water, 1 dram nitrate of bismuth, and 1 dram of gum arabic, three times a day. Under such course the
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branches of blood vessels which pass into the bones through holes (foramina) on their surface and are distributed in the soft structure (medulla) of the inside. The structure of the
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mined. If the animal is young, valuable, and of reasonably quiet temperament, and the fracture is not too great in extent, the chances of recovery are fair. On the other hand, if the
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l soon be noticeable. FRACTURES OF THE PELVIS.--The pelvis, or bony framework which gives shape to the posterior part of the body, is liable to fracture in many ways. A common one is
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e operation will better fit him for his work by so modifying his temperament and physical condition that he may easily be controlled by his master. Again, if he is merely to be used f
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of the organism together; bony tumors add nothing to the supporting framework of the body; the tissue of fatty tumors never serves as a storehouse of feed and energy; the cells of an
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o the swelling. Injections of iodin solution, 5 grains of iodin in 1 dram of 25 per cent alcohol, may also be made into the substance of the gland. When the swelling which follows thi
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xposing the exuding dermis, an application of boric-acid solution, 2 drams of the acid to 8 ounces of water, often relieves the smarting or itching, and also serves to check the exuda
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ed much shock, the animal may require internal stimulants, such as 2 drams of carbonate of ammonia every hour until it rallies. When the pain is very great, hypodermic injections of 6
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elieve it from foreign bodies which may fall upon it. It has for its framework a fibro-cartilage, irregular in shape, thick, nearly prismatic at its base, and thin anteriorly where it
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onics may be given in the feed, namely, powdered sulphate of iron, 1 dram; gentian, 2 drams; nux vomica, one-half dram; to be given twice a day. In cases of rheumatism, one-half ounce
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s._--Owing to the complexity of the structure of the lung tissue, its ramifications of bronchial tubes and blood vessels, and its abundant supply of lymphatics, the pathological chang
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ourse of the disease headache, pain in the limbs, vertigo, abdominal cramps, vomiting, diarrhea, and weakness are occasionally observed. The disease is seldom fatal, usually appearing
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readily be differentiated from rabies by the persistence of muscular cramps, especially of the face and abdomen, which cause these muscles to become set and as hard as wood. In tetanu
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_a_) is ulcerated and covered with yellowish cheesy particles. The supramammary lymphatic gland (_b_) is greatly enlarged and contains many miliary tubercular foci. * *
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e cure. The iodid of potassium is given in doses of 1-1/2 and 2-1/2 drams once a day, dissolved in water, and administered as a drench. The dose should vary somewhat with the size of
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5µ to 1µ. Hence it is described as polymorphic. It does not stain by Gram, but takes the ordinary anilin dyes, often presenting, especially the longer forms, a beaded appearance. A ch
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mouth make an excellent treatment. The internal administration of 2 grams of salicylic acid and 3 grams of chlorate of potassium three times a day has also proved to be very benefici
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ng the intestines with intestinal antiseptics, such as tannopin in 1 dram doses twice daily, and strengthening the animal by the use of stimulants such as strychnin in half-grain dose
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organisms apparently are in no way injurious. A species of fluke (_Paramphistomum cervi_ or a closely related species) is occasionally found in North American cattle, especially gras
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f fluke disease. Moussu states that the average dose for cattle is 1 gram of the extract for each 10 kilograms of live weight; that is, 10 grams for a young animal weighing 100 kilogr
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milk, protection from flies, 503 Cramps of hind limbs during pregnancy, cause, 162 Cranium, fracture, description and trea
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arts of body, cause, 109 _Paramphistonum cervi_, parasite affecting cattle, 519 Paraplegia, symptoms and treatment,
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, caused by twisted wireworm, treatment, 527 Pregnancy-- cramps of hind limbs during, cause, 162 duration,
with the back of the calf turned toward the rump of the cow. Similarly with
the croup turned upward and forward, that should be pushed on forward, and
if the forefeet and head can be secured it will be a natural anterior
presentation, with the back of the calf turned upward toward the rump of
the cow.
The womb should be injected with warm water or oil, and the turning of the
calf will demand the combined action of the repeller and the hand, but in
all such cases the operator has an advantage that the body of the fetus is
wholly within the body of the womb, and therefore movable with comparative
ease. No part is wedged into the pelvic passages as a complication. The
general principles are the same as in faulty presentation fore and hind,
and no time should be lost in making the manipulations necessary to bring
the feet into the pelvis, lest they get inbent or otherwise displaced and
add unnecessary complications.
With a transverse direction of the calf, the head being turned to one side,
the pressure must be directed laterally, so that the body will glide around
on one side of the womb, and the extremities when reached must be promptly
seized and brought into the passages. Sometimes a fortunate struggle of a
live fetus will greatly aid in rectifying the position.
_Breast and abdomen presented._--All four feet in the passages._--In this
form the calf lies across the womb with its roached back turned forward and
its belly toward the pelvis. All four feet may be extended and engaged in
the passages, or one or more may be bent on themselves so as to lie in
front of the pelvis. The head, too, may usually be felt on the right side
or the left, and if detected it serves to identify the exact position of
the fetus. The position may further be decided upon by examination of the
feet and limbs. With the limbs extended the front of the hoofs and the
convex aspect of the bent pasterns and fetlocks will look toward that flank
in which lie the head and shoulders. On examination still higher the
smooth, even outline of the knee and its bend, looking toward the hind
parts, characterize the fore limb, while the sharp prominence of the point
of the hock and the bend on the opposite side of the joint, looking toward
the head, indicate the hind limb. (Pl. XVII, fig. 5.)
The remedy of this condition is to be sought in repelling into the womb
those limbs that are least eligible for extraction, and bringing into the
passages the most eligible extremities. The most eligible will usually be
those which project farthest into the passages, indicating the nearer
proximity of that end of the calf. An exception may, however, be made in
favor of that extremity which will give the most natural presentation. Thus
if, owing to obliquity in the position of the fetus, the hind extremities
promised a presentation with the back of the fetus turned down toward the
udder, and the anterior extremities one with the back turned up toward the
spine, the latter should be selected. Again, if the choice for the two
extremities is evenly balanced, the hind may be chosen as offering less
risk of complication, there being no head to get displaced.
The first step in the treatment is to place a running noose on each of the
four feet, marking those of the fore limbs to distinguish them from those
of the hind ones. In case it is proposed to bring the anterior extremities
into the passage, a noose should also be placed on the lower jaw. Then run
the ropes attached to the two feet that are to be pushed back through the
ring of a cord carrier (Pl. XXI, fig. 5), passing the rings down to the
feet, and by the aid of the carrier push them well back into the womb and
hold them there. Meanwhile drag upon the ropes attached to the two other
feet so as to bring them into the passage (or, in case of the anterior
extremity, on the two foot ropes and the head one). The other feet must be
pushed back into the womb until the body of the calf is fully engaged in
the passages. After this they can no longer find an entrance, but must
follow as the body escapes.
NEGLECTED AND AGGRAVATED CASES.
In laying down the foregoing rules for giving assistance in critical cases
of calving it is not intimated that all cases and stages can be
successfully dealt with. Too often assistance is not sought for many hours
or even days after labor pains, and the escape of the waters intimate the
danger of delay. Not seldom the long delay has been filled up with
unintelligent and injurious attempts at rendering assistance, violent
pulling when resistance is insurmountable without change of position,
injuries to the vagina and womb by ill-considered but too forcibly executed
attempts to change the position, the repeated and long-continued contact
with rough hands and rougher ropes and hooks, the gashes with knives and
lacerations with instruments in ignorant hands, the infecting material
introduced on filthy hands and instruments, and the septic inflammations
started in the now dry and tender passages and womb. Not infrequently the
death, putrefaction, and bloating of the calf in the womb render the case
extremely unpromising and make it impossible to apply successfully many of
the measures above recommended. The labor pains of the cow may have
practically ceased from exhaustion; the passages of the vagina may be so
dry, tender, friable, red, and swollen that it requires considerable effort
even to pass the oiled hand through them, and the extraction of the calf or
any portion of it through such a channel seems a hopeless task; the womb
may be equally dry, inflamed and swollen, so that its lining membrane or
even its entire thickness is easily torn; the fetal membranes have lost
their natural, unctuous and slippery character, and cling firmly to the dry
walls of the womb, to the dry skin of the calf, or to the hands of the
operator; the dead and putrefying calf may be so bloated with gases that
the womb has been overdistended by its presence, and the two adhere so
closely that the motion of the one on the other is practically impossible.
In other cases reckless attempts to cut the calf in pieces have left raw
surfaces with projecting bones which dangerously scratch and tear the womb
and passages.
In many cases the extreme resort must be had of cutting the fetus to pieces
(embryotomy), or the still more redoubtable one of CÊsarean section
(extraction through the flank).
DISSECTION OF THE UNBORN CALF (EMBRYOTOMY).
In some cases the dissection of the calf is the only feasible means of
delivering it through the natural passages; and while it is especially
applicable to the dead calf, it is also on occasion called for in the case
of the living. As a rule, the living calf should be preserved, if possible,
but if this threatens to entail the death of the cow it is only in the case
of offspring of rare value that its preservation is to be preferred. To
those acquainted with the toil, fatigue, and discomfort of embryotomy, no
discussion is necessary so long as there is a prospect of success from the
simple and generally easier method of rectifying the faulty position of the
calf. When the correction of the position is manifestly impossible,
however, when distortions and monstrosities of the fetus successfully
obstruct delivery, when the pelvic passages are seriously contracted by
fractures and bony growths, when the passages are virtually almost closed
by swelling, or when the calf is dead and excessively swollen, no other
resort may be available. In many cases of distortion and displacement the
dismemberment of the entire calf is unnecessary, the removal of the
offending member being all that is required. It will be convenient,
therefore, to describe the various suboperations one by one and in the
order in which they are usually demanded.
_Amputation of the fore limb._--In cutting off a fore limb it is the one
presenting that should be selected, since it is much more easily operated
on, and its complete removal from the side of the chest affords so much
more space for manipulation that it often makes it easy to bring the other
missing limb or the head into position. The first consideration is to skin
the limb from the fetlock up and leave the skin attached to the body. The
reasons for this are: (_a_) That the skin is the most resistant structure
of the limb, and when it has been removed the entire limb can be easily
detached; (_b_) the tough skin left from the amputated limb may be used as
a cord in subsequent traction on the body of the calf; (_c_) the dissection
and separation of the limb are far more safely accomplished under the
protection of the enveloping skin than if the operator's hands and
instruments were in direct contact with the walls of the passages or womb;
(_d_) the dissection can be much more easily effected while the skin is
stretched by the left hand, so as to form a comparatively firmer resistant
point for the knife, than when it is attempted to cut the soft, yielding,
and elastic tissues which naturally offer little solid resistance, but
constantly recede before the cutting edge of the instrument. The
preservation of the skin is therefore a cardinal principle in the
amputation of all parts in which it is at all feasible.
The presenting foot is inclosed in a noose and drawn well out of the
passages. Then a circular incision through the skin is made around the limb
just above the fetlock. From this the skin is slit up on the inner side of
the limb to the breast. Then the projecting part of the limb is skinned up
to the vulva, traction being made on the foot by an assistant so as to
expose as much as possible. The embryotomy knife may now be taken (Pl. XXI,
fig. 2), and a small hole having been cut in the free end of the detached
portion of skin, that is seized by the left hand and extended while its
firm connections with the deeper structures are cut through. The looser
connections can be more quickly torn through with the closed fist or the
tips of the four fingers held firmly together in a line or with the spud,
of which there are several kinds. Much of the upper part of the limb can be
skinned more speedily without the knife, but that must be resorted to to
cut across tough bands whenever these interrupt the progress. The skinning
should be carried upward on the outer side of the shoulder blade to the
spine or nearly so. Then with the knife the muscles attaching the elbow and
shoulder to the breastbone are cut across, together with those on the inner
side of the shoulder joint and in front and behind it as far as these can
be reached. Steady traction is now made upon the foot, the remaining
muscles attaching the shoulder blade to the trunk are torn through with a
cracking noise, and the whole limb, including the shoulder blade and its
investing muscles, comes away. If the shoulder blade is left the bulk of
the chest is not diminished, and nothing has been gained. Before going
further it is well to see whether the great additional space thus secured
in the passages will allow of the missing limb or head to be brought into
position. If not, the other presenting part, limb or head, is to be
amputated and extracted. For the limb the procedure is a repetition of that
just described.
_Amputation of the head._--The head is first seized and drawn well forward,
or even outside the vulva, by a rope with a running noose placed around the
lower jaw just behind the incisor teeth, by a sharp hook inserted in the
arch of the lower jaw behind the union of its two branches and back of the
incisor teeth, or by hooks inserted in the orbits, or, finally, in case the
whole head protrudes, by a halter. (Pl. XXI, figs 4_a_ and 4_b._) In case
the whole head protrudes, a circular incision through the skin is made just
back of the ear, and the cut edge being held firmly by the left hand, the
neck is skinned as far as it can be reached. Then the great ligamentous
cord above the spine is cut across at the farthest available point,
together with the muscles above and below the spine. Strong traction on the
head will then detach it at this point and bring it away, but should there
still be too much resistance the knife is inserted between the bodies of
two vertebrÊ just behind one of the prominent points felt in the median
line below, and their connecting fibrous cartilage is cut through, after
which comparatively moderate pulling will bring it away. The detached neck
and body at once slip back into the womb, and if the fore limbs are now
brought up and pulled they are advanced so far upon the chest that the
transverse diameter of that is greatly diminished and delivery
correspondingly facilitated.
If the head is still inclosed in the vagina two methods are available: (1)
The removal of the lower jaw and subsequent separation of the head from the
neck; (2) the skinning of the whole head and its separation from the neck.
To remove the lower jaw the skin is dissected away from it until the throat
is reached. Then the muscles of the cheeks and side of the jaw (masseters)
are cut through and those connecting the jaw with the neck. When traction
is made on the rope around the lower jaw it will usually come away with
little trouble. Should it resist, its posterior extremity on each side
(behind the grinding teeth) may be cut through with bone forceps or with a
guarded bone chisel. (Pl. XX, fig. 8.) After the removal of the lower jaw
the way will be open to separate the head from the neck, the knife being
used to cut into the first or second joint from below, or the bone forceps
or chisel being employed to cut through the bones of the neck. Then
traction is made on the head by means of hooks in the orbits, and the hand,
armed with an embryotomy knife, is introduced to cut through the tense
resisting ligament, and muscles above the bones. The skin and the strong
ligamentous cord attached to the poll are the essential things to cut, as
the muscles can easily be torn across. Unless there are great difficulties
in the way it is well to skin the head from the eyes back, and on reaching
the poll to cut through the ligament and then bring the head away by
pulling.
If it is decided to remove the entire head at once, it may be skinned from
the front of the eyes back to behind the lower jaw below and the poll
above, then cut through the muscles and ligaments around the first joint
and pull the head away, assisting, if need be, in the separation of the
head by using the knife on the ligament of the joint.
If the calf is a double-headed monster, the skinning of the head must be
carried backward until the point has been reached where both heads branch
from the single neck, and the separation must be made at that point. The
muscles and ligaments are first to be cut through; and if the part can not
then be detached by pulling, the bodies of the vertebrÊ may be separated by
passing the knife through the joint. The second head may now be secured by
a noose around the lower jaw or hooks in the orbits and brought up into
place, the body being pushed back toward the other side by a repeller, so
as to make room.
It should be added that, except in the case of a double-headed monster, or
in case of the head protruding or nearly so, and one or both fore limbs
presenting, it is rarely desirable to undertake amputation of the head. The
space desirable in the passages can usually be obtained by the much simpler
and easier procedure of removing one or both fore limbs.
_Amputation of the hind limbs._--This is sometimes demanded on the one
extended limb when the other can not be brought up and delivery can not be
effected; also in case of monsters having extra hind limbs; when the calf
is dead, putrid, and bloated with gas; and in some cases of breech
presentation, as described under that head.
When the limb is extended the guiding principles are as in the case of the
fore limbs. The skin is cut through circularly above the fetlock and slit
up to beneath the pelvic bones on the inner side of the thigh. It is then
dissected from the other parts as high as it has been slit on the inner
side and to above the prominence (_trochanter major_) on the upper end of
the thigh bone on the outer side of the joint. In this procedure the hands
and spud can do much, but owing to the firmer connections the knife will be
more frequently required than in the case of the fore limb. The muscles are
now cut through all around the hip joint, and strong traction is made by
two or three men on the limb. If there is still too much resistance, a
knife is inserted into the joint on the inner side and its round ligament
cut through, after which extraction will be comparatively easy. This
accomplished, it will often be possible to extract the fetus with the other
leg turned forward into the womb. If the calf is bloated with gas, it may
be necessary to remove the other leg in the same way, and even to cut open
the chest and abdomen and remove their contents before extraction can be
effected. In the case of extra limbs it may be possible to bring them up
into the passages after the presenting hind limbs have been removed. If
this is not practicable, they may be detached by cutting them through at
the hip joint, as described under "Breech presentation," page 197.
Another method of removing the hind limb is, after having skinned it over
the quarter, to cut through the pelvic bones from before backward, in the
median line below, by knife, saw, or long embryotome (Pl. XX, fig. 1), and
then disjoint the bones of the spine (sacrum) and the hip bone (ilium) on
that side with embryotome, knife, or saw, and then drag away the entire
limb, along with all the hip bones on that side. This has the advantage of
securing more room and thereby facilitating subsequent operations. Both
limbs may be removed in this way, but on the removal of the second the
operator is without any solid point to drag upon in bringing away the
remainder of the fetus.
_Division across the middle of the body._--In cases of extra size,
monstrosity, or distortion of one end of the body it may be requisite to
cut the body in two and return the half from the passages into womb, even
after one-half has been born. The presenting members are dragged upon
forcibly by assistants to bring as much of the body as possible outside.
Then cut through the skin around the body at some distance from the vulva,
and with hand, knife, and spud detach it from the trunk as far back into
the passages as can be reached. Next cut across the body at the point
reached, beginning at the lower part (breast, belly) and proceeding up
toward the spine. This greatly favors the separation of the backbone when
reached, and further allows of its being extended so that it can be divided
higher up. When the backbone is reached, the knife is passed between the
two bones, the prominent ridges across their ends acting as guides, and by
dragging and twisting the one is easily detached from the other. With an
anterior presentation the separation should, if possible, be made behind
the last rib, while with a posterior presentation as many of the ribs
should be brought away as can be accomplished. Having removed one half of
the body, the remaining half is to be pushed back into the womb, the feet
sought and secured with nooses, and the second half removed in one piece if
possible; and if not, then after the removal of the extra limb or other
cause of obstruction.
_Removed of the contents of chest or abdomen._--If the body of the calf
sticks fast in the passages by reason of the mere dryness of its skin and
of the passages, the obstacle may be removed by injecting sweet oil past
the fetus into the womb through a rubber or other tube, and smearing the
passages freely with lard. When the obstruction depends on excess of size
of the chest or abdomen or thickening of the body from distorted spine,
much advantage may be derived from the removal of the contents of these
great cavities of the trunk. We have already seen how the haunches may be
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