Improvements in the Utilization of Blood from Slaughter Houses in and for the Preparation of Food and Drink for Man and Cattle and other Animals.
Year: 1886

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Improvements in the Utilization of Blood from Slaughter
Houses in and for the Preparation of Food and Drink for
Man and Cattle and other Animals.
I, HANS PEDER MADSEN of 85 Gloucester Crescent, Regent's Park in the
County of Middlesex, Land Surveyor do hereby declare the nature of this
invention and in what manner the same is to be performed to be particularly
described and ascertained in and by the following statement:—
In the specification of patent granted to Peter Jensen dated 3rd April 1883
N° 1674 as a communication from Sofus Ove Kjoer of Ribe, Denmark is described
a process for manufacturing animal food from blood.
According to this invention I utilize blood in and for the preparation of food
and drink for man and cattle and other animals in an improved manner so as to
render this highly nutritious substance perfectly suitable as a wholesome food and
drink and so that it will keep a long time in a fit condition.
For this purpose
I treat the blood immediately as it comes from the slaughtered animal with about
2 per cent of salt and about + per cent saltpeter with or without a little ginger,
these ingredients being thoroughly mixed while stirring the fluid so as also to
prevent coagulation and fermentation. I then clean the blood by filtration.
According to the purpose for which the food or drink is intended I next proceed as
follows. In all or most of the food preparations hereinafter to be described I may
mix with the blood about 15 per cent albumen obtained from other quantities of
blood than those under direct treatment and the albumen being obtained either
by diluting one part of such blood with about four parts of water, then boiling
and adding acetic acid and then filtering and in some cases dried or by separating
the albumen from the other parts of the blood by centrifugal separation action.
The blood which has thus been deprived of its albumen may be utilized for
manure.
In order to kill or render innocuous any bacteria or other organisms or poisonous
elements in the blood I next expose it for a short space of time say for about an
hour to a temperature of about 300° F (but this is not necessary for food intended
for nice on dores)

page_text: To prepare a food suitable for human food I mix for instance 100 parts by
weight of the cleaned blood with about 10 of finely chopped meat, 2 of salt, 6 of
sugar, onions, mint, parsley, and other condiments, 20 of pea meal, 30 of wheaten
flour and 10 of cocoa. This is baked by preference at a low heat in a gas oven.
Another richer kind of human food may be made of 100 parts of the cleaned
blood, 100 of finely chopped best meat and pork ham, 20 of pea meal, 30 wheaten
flour, 10 of palm fruit meal and condiments to suit. This mixture is boiled
and forms a palatable pudding.
In order to prepare food for cattle and other animals I expose the cleaned blood
to a further but much lower heat than used for destroying the possible noxious
parts and continue while stirring till it assumes the form of a dry meal which is
mixed, with cereals and other substances as required. For cattle I mix 100 parts
of this blood meal with about 38 of wheat bran, 12 of barley bran, 20 of rice bran,
3 of rye bran, 11 of bone meal, 2 of cocoa meal and 2 of ground linseed, adding
also a little sugar. Or if I instead of the blood meal employ the cleaned blood
I bake the mixture into a kind of bread. For horses I take 100 parts of the
blood meal with about 8 of maize meal, 14 of oatmeal, 20 of wheat bran, 3 of rye
bran, 20 of rice bran, 1 of bone meal, 2 of ground linseed and a little sugar. Or
if I instead of the blood meal employ the cleaned blood I bake the mixture. For
sheep, I mix 100 parts of the blood with about 22 of barley, 15 of wheat bran,
3 of rye bran, 15 of rice bran, of bone meal, and 2 of ground linseed. I then
bake the mixture. Or I may use the blood meal, instead of the blood and then
not bake it. For poultry I take about 100 parts of the blood and mix it with
about 33 of barley meal, 32 of maize meal, 10 of wheat bran, 2 of ground linseed,
1 of lime and 1 of bone meal. This is then baked.
For pigs' food I take 100 parts of the blood meal and mix it with about 38 of
wheat bran, 10 of barley bran, 10 of rice bran, 1 of ground linseed and 1 of bone
meal. Or I may use the blood and then bake the mixture. For dogs' food I mix
100 parts of the blood meal with about 20 of maize meal, 12 of rice bran, 30 of
wheat bran, 1 of ground linseed, 21 of palm fruit meal and of bone meal.
Or if I use blood instead of blood meal I bake the mixture.
A suitable drink to be used with the aforesaid food or foods for animals is made
from water mixed with albumen obtained from the cleaned blood by centrifugal
separation. Albumen obtained by the wet process and mixed with water and
other ingredients to render it palatable is suitable for a drink for man.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is:
1. In the preparation of food from blood the method herein described for
cleaning it and rendering it suitable for application consisting in treating it while
fresh as it comes from the animal with salt and saltpeter with or without ginger
while stirring and then filtering it substantially as set forth.
2. In the preparations of food from blood exposing the cleaned blood, mixed with
albumen or not, to heat for producing blood meal substantially as set forth.
3. The manufacture of the various improved foods from cleaned blood or blood
meal and admixtures therewith substantially as set forth.
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