The modern packing house : $b A complete treatise on the design, construction, equipment and operation of meat packing houses, according to present American praactice, including methods of converting by-products into commercial articlesWilder, F. W. (Fred William)
History
The modern packing house : $b A complete treatise on the design, construction, equipment and operation of meat packing houses, according to present American praactice, including methods of converting by-products into commercial articles
Wilder, F. W. (Fred William)
Packing-houses
=Knocking or Stunning Cattle.=--This represents really the first act in
the slaughtering of cattle. After they have been driven into the narrow
pens provided for the purpose, as shown in Fig. 35, the knocker follows
and with a four pound hammer strikes the animal a stunning blow in the
middle of the forehead.
In former times cattle were speared, which was accomplished by walking
over the top of the runways and with a long, sharp-pointed spear,
severing the spinal cord. This method of killing, however, is barbarous
and not nearly so efficacious as stunning by knocking, and has been
superseded in all the large abattoirs of the United States by the
method of knocking as shown in the view. It is advisable to use a
hammer of comparatively large face, so as not to indent the skulls.
[Illustration: FIG. 36.--STUNNED CATTLE BEING HOISTED FOR STICKER.]
Immediately after the stunning a sliding door is hoisted and the
stunned animal rolled out to be hoisted for sticking, heading, etc., as
shown in Figs. 36 and 37.
=Sticking.=--In sticking great care should be taken that the throat
is well opened, thereby giving the blood a free flow, also that in
sticking both arteries and veins are severed, otherwise the beef will
purge on the back and look discolored when finished. Care should also
be taken not to stick cattle “through,” for if this is done, when the
bullock is thrown on its back, the blood flows onto the chime bones,
causing a bad discoloration.
[Illustration: FIG. 37.--HEADING AND SKINNING CATTLE.]
=Heading.=--Care should be used to see that all the fat possible is
left on the tongue, leaving it perfectly smooth on the outer surface;
that as little hide as possible is left around the horns. The header,
in cutting around the side of the head, leaves all the fat on the
heads, and keeps as close to the side of the tongue as he can without
injury to same; when this is done, the hide dropper can leave a full
shaped neck, otherwise considerable meat which should be on the
carcass is left on the head, where it is afterward trimmed and only
worth tallow price. In taking the tongue from the head the trimmer
should cut close to the jaw-bone, so that all the meat possible may be
left on the tongue.
=Pritch Sticks.=--For convenience in handling the carcasses on the
beds, a pritch is used (See Fig. 38). This stick is arranged with a
spike in one end and a ferrule on the other; used to hold the animal
when rolled on its back. Pritches were formerly made with spikes at
both ends. A spike should not be used on the end of the pritch coming
in contact with the beef, as the spike often punctures the hide. The
end of the pritch, which is to rest upon the floor should have a spike
inserted. The end which is to support the carcass, should have a
ferrule of 1¹⁄₂-inch pipe, roughened like a saw tooth, which prevents
it from slipping and at the same time does not injure the hide.
[Illustration: FIG. 38.--PRITCH TO SUPPORT ANIMAL WHEN TURNED ON BACK.]
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