Are Old Horses Really Made Into Glue

Carole Stephens
• Sunday, 01 November, 2020
• 17 min read

Horses contain high levels of collagen which is a key ingredient in most animal-based glue. There are some wonderful benefits from this type of glue compared to artificially made glue (which we will come back to).

glue horses did hazen natalie
(Source: www.ranker.com)


The surfaces can be separated again with clean surfaces You can apply a new layer of glue on top of an old layer You can correct an irregular fit by heating up the glue It produces a tight joint that does not bend over time As you can see, there are some wonderful advantages that make animal glue better in some aspects compared to glue made from alternative sources.

When you’re working with glue that isn’t made from animals you will typically not have these advantages. Some factories might kill a perfectly good horse in order to turn it into glue.

So you don’t need to worry that your horse will suddenly be caught and turned into glue. This way the animal is being put to great use after it can no longer live a good life.

This wasn’t something people gave a lot of thought back in the days. We would eat the meat and try to think of other ways to utilize the bones, teeth, homes, etc.

Sometimes your fingers will stick together and this sticky substance is partly the collagen that is being used in the animal glue. Fish glue has been used for more than 10 years and it is used for glass, ceramics, wood, paper leather, and metals.

horses glue horse factory why assume never related posts they
(Source: www.helpfulhorsehints.com)

So we do not kill animals in large quantities in order to make glue. This is especially great for art projects and finer woodwork like cabinetry and furniture.

The horse glue is typically being produced in France and other countries in Europe. So if we wanted to glue together two pieces of material we would have to use the collagen from dead animals.

Well, it’s actually illegal to eat horse meat in the United States. So oftentimes the dead horses are sold to foreign countries to be eaten.

But more often the dead horses are being delivered to a zoo in order to feed animals. The gummy bears are made from bones and muscles from dead animals.

As we mentioned above, we don’t use animals to produce glue to the same extent as earlier. Today the factories will typically produce glue called “polyvinyl acetate” (also known as PVA).

horses glue horse did equines pmillera4
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It would harden at specific temperatures which was a good thing when you wanted to separate the two pieces. The ingredient mix is secret, but they have specifically stated that they do not use animal collagen anymore.

Other people argue that the laughing cow on Elmer’s glue bottles is a symbol of happy animals that got to live. Because they found other and better ways of producing glue more efficiently the cattle can now keep smiling.

In the old westerns and Bugs Bunny cartoons that pretty much formed my thought processes as a child, they would always threaten to send the old horse to the glue factory. You get points for acknowledging Cecil as the man, but if you’d done even a little of reading, you’d have come across the horse/ glue factory connection pretty often.

When asked how he achieved this, he replied, I whisper in the horse’s ear: Roses are red, violets are blue. They take fat and bone trimmings from grocery stores, waste scraps from restaurants, and dead animals.


glue horses into turned horse why where
(Source: www.animalshq.com)

Collagen is a key protein in connective tissues (cartilage, tendons, ligaments) as well as hides and bones. It’s also the key ingredient in most animal glues, as it can be made into a gelatin that’s sticky when wet but hardens when it dries.

Other adhesives were made from egg whites, tree sap, tar, and beeswax, which the ancient Romans used to caulk the planking in ships. For fish glue, Theophilus recommended the bladder of the sturgeon, but alternatives included and “the bones of the head of the wolf fish.” The first commercial glue factory, started in Holland in the early 18th century, used animal hides.

Animal glue, popular for thousands of years, has fallen out of fashion in recent decades. Over the second half of the 20th century, synthetic glues have become more advanced, as they are cheap, uniform in quality, and have longer shelf lives.

Bookbinders are fond of them because they’re slow to set, allowing binders plenty of time to work. These days, dead and unwanted horses aren’t sent to the glue factory as often they are sent across the border, slaughtered, and harvested for their valuable meat.

(The United States’ longtime ban on slaughtering horses for human consumption was lifted this past fall, but the practice remains taboo.) It wasn’t until years later I learned the truth about whether or note glue is made from horses.

soldier glue horses cartoon animal farm cartoons funny horse cartoonstock climax question extra credit comics begging low dislike novel
(Source: www.cartoonstock.com)

Glue was originally made from animal collagen which can be found in skin, bone, and tissue. In fact, glue has been made from animals for a very long time in history.

Animal glue has even been found in ancient Egyptian burial tombs! Native Americans used to make glue from hides and hooves of animals.

In early America it was common practice for ranchers to send unwanted horses to be processed at glue factories. In fact, while it originally included milk in the ingredients, the traditional school glue you are used to is now all synthetic.

The process of extracting collagen from dead animals is time-consuming and much more costly. More cattle are processed in the United States each year than horses.

There are currently no horse slaughter plants operating in the United States. American horses are, however, sometimes transported to countries like Mexico and Canada to be slaughtered.

glue horse into
(Source: www.youtube.com)

The types of glues that are made from animals utilize the collagen found in the horse. It can be extracted from hooves, skin and bones by boiling the body parts.

In fact, this video does a wonderful job of explaining why animals were used for glue in the past and why that practice isn’t as common now. Cows would be most common because of the numbers but some glues are made from rabbit and fish as well.

Last week, I attempted to lead my class in a Valentine's Day crafting free-for-all. The final items passed around were little, innocuous bottles of Elmer’s Glue.

Mari, one of my more precocious students (I also suspect her parents are members of the local 4H club), took one look at her bottle and turned as white as its contents. She then shrieked like a banshee, “this stuff is made from dead horses !” and started weeping.

Then came a chorus of cries, snickers, boisterous saying and the kind of pandemonium only a room full of 8-year-olds can generate. I reassured the kids that this was not true at all but it was too late ... Mari’s declaration had sparked a mini glue revolt and I scrapped the project for the day.

fancy horse horses dress glue yikes competition zebra
(Source: therapyfree.wordpress.com)

The thing is, I’m well-aware of the old adage about “sending retired horses to the glue factory,” but I always considered it a silly saying. Little Mari (sounds like she has a knack for causing a ruckus ... sorry couldn’t resist) although on to something, is slightly misinformed.

Glue, historically, is indeed made from collagen taken from animal parts, particularly horse hooves and bones. The exact formula and specific ingredients used in making Elmer's products are considered proprietary information, therefore, we cannot share those with you.

An informative class field trip to a local rendering plant is out of the question and I wouldn’t sit down Mari down for a chat about the environmental ills of petrochemicals. There’s nontoxic, made -in-Italy Coaching Adhesive Glue Sticks, but they can be pricey and hard to come by.

Plus, they smell like marzipan so any students already prone to paste eating might be tempted to snack on the craft supplies. Kids are fickle and unless Mari really loves horses, she may have already totally forgotten about it.

In the old westerns and Bugs Bunny cartoons that pretty much formed my thought processes as a child, they would always threaten to send the old horse to the glue factory. A. Yes this used to happen very often a while ago but nowadays they just get a few horses that have been killed or died of natural causes, I know that sounds a bit harsh but it's better than some things.

(Source: www.pinterest.com.au)

B. They most likely grind them down and put some adhesive things in, not so sure. Horses are sold to rendering house if deceased and a slaughterhouse if alive.

Animal (origin) glue is made from connective tissue, found in hoofs, bones, tendons, ligaments, and cartilage in vertebrate animals. It generally is not used for everyday glues, such as white paste used in school projects.

Animals (including horses) are rendered down for animal food (such as dog food) and for nonedible items, such as soap and various lubricants. But now the horse will go from auction to Mexico or Canada where it's slaughtered.

Most glues these days are made with adhesives, not horses. In the 1960's Northampton there used to be a glue factory and it was dead animals that they used.

Do factories really process out of glue provide answer and like a website or something This protein colloid glues are formed through hydrolysis of the collagen from skins, bones, tendons, and other tissues, similar to gelatin.

glue fore horses
(Source: trelawneequine.wordpress.com)

The word “collagen” itself derives from Greek koala, glue. These proteins form a molecular bond with the glued object.

In the old westerns and Bugs Bunny cartoons that pretty much formed my thought processes as a child, they would always threaten to send the old horse to the glue factory. You get points for acknowledging Cecil as the man, but if you'd done even a little of reading, you'd have come across the horse/ glue factory connection pretty often.

These days, it's more common (an undocumented source says 90% of all domestic horses) for unwanted horses to be sent to a slaughterhouse if still alive, or a rendering plant (AKA the knackers, the knacker) if deceased. When asked how he achieved this, he replied, I whisper in the horse's ear: Roses are red, violets are blue.

Animal (origin) glue is made from connective tissue, found in hoofs, bones, tendons, ligaments, and cartilage in vertebrate animals. A hundred years ago, many old horses were killed and sent to the glue factory.

But today, most glue is made from the bones and hooves of cattle, which thanks to the fast-food burger places, there are a lot of these by-products to be used. Although Elmer's firmly states their products are made from synthetic materials and are not derived from processing horses, cows or any other animals.

(Source: braymere.blogspot.com)

Animal glue is an organic colloid of protein derivation used as an adhesive, sizing and coating, compo, and for colloidal applications in industry which is derived primarily from collage nous material present in animal hide or from the extraction of collagen present in animal bones, primarily cattle or derived from recycled gelatin. These protein colloid glues are formed through hydrolysis of the collagen from skins, bones, tendons, and other tissues, similar to gelatin.

The word collagen itself derives from Greek koala, meaning glue '. Animal glue has existed since ancient times, although its usage was not widespread.

Glue deriving from horse tooth can be dated back nearly 6000 years, but no written records from these times can prove that they were fully or extensively utilized. Between 1500–1000 BC, it was used for wood furnishings and mural paintings, found even on the caskets of Egyptian Pharaohs.

Evidence is in the form of stone carvings depicting glue preparation and use, primarily utilized for the pharaoh’s tomb’s furniture. Egyptian records tell that animal glue would be made by melting it over a fire and then applied with a brush.

Ancient Greeks and Romans later used animal and fish glue to develop veneering and marquetry, the bonding of thin sections or layers of wood. Animal glue, known as taurokolla () in Greek and gluten touring in Latin, were made from the skins of bulls in antiquity.

custom barn horse furniture wood clock into stained oak reclaimed walnut
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Broken pottery might also be repaired with the use of animal glues, filling the cracks to hide imperfections. About 906–618 BC, China utilized fish, ox, and stag horns to produce adhesives and binders for pigments.

Animal glues were employed as binders in paint media during the Tang Dynasty. Records indicate that one of the essential components of lampblack ink was proteinaceous glue.

The Chinese, such as Key Gong Hi, also researched glue for medicinal purposes. The use of animal glue, as well as some other types of glues, largely vanished in Europe after the decline of the Western Roman Empire until the sixteenth to eighteenth centuries, when wooden furniture started to surge as a major craft.

During the medieval ages, fish glue remained a source for painting and illuminating manuscripts. Native Americans would use hoof glue primarily as a binder and as a water-resistant coating by boiling it down from leftover animal parts and applying it to exposed surfaces.

The Assiniboins preferred longer hair, so they would plaster the strands with a mixture of red earth and hoof glue. The United States’ first glue factory opened in 1899, established by the Milwaukee Tanning Industry.

glue cheese 1300 zapisano pieces together
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Davis' company thrived producing animal glue during the Great Depression after shifting its focus from stenciling, selling to local box makers and other users; L.D. Davis' animal glue formula for bookbinding remains in production.

Today, animal glues are sparsely industrialized, but still used for making and restoring violin family instruments, paintings, illuminated parchment manuscripts, and other artifacts. Gelatin, a form of animal glue, is found in many contemporary products, such as gelatin desserts, marshmallows, pharmaceutical capsules, and photographic film and is used to reinforce sinew wrappings, wood, leather, bark, and paper.

Other aspects, such as difficulty of storage in a wet state, requirement for fresh raw materials (the animal skin cannot be rotten or grease-burned), make this product more difficult to find and use. Factories now produce other forms of adhesives, as the process for animal glue is complex and tricky to follow.

Animal glues will also darken with age and shrink as they dry, giving them the potential to harm wood, paper, or works of art. Some companies, such as those in Canada, still produce animal, hide and hoof glues from horses.

Recently, animal glue has been replaced by other adhesives and plastics, but remains popular for restoration. Today it is used primarily in specialty applications, such as Luther, pipe organ building, piano repairs, and antique restoration.

horse paper 3d poly low horses instructables glue fa
(Source: www.pinterest.com)

The glue is applied hot, typically with a brush or spatula. Most animal glues are soluble in water, useful for joints which may at some time need to be separated.

Alcohol is sometimes applied to such joints to dehydrate the glue, making it more brittle and easier to crack apart. It may be supplied as granules, flakes, or flat sheets, which have an indefinite shelf life if kept dry.

It is dissolved in water, heated and applied warm, typically around 60 °C (140 °F). Warmer temperatures quickly destroy the strength of hide glue.

At room temperature, prepared hide glue has the consistency of stiff gelatin, which is in fact a similar composition. Joining parts after the open time is expired results in a weak bond.

In practice, this often means having to heat the pieces to be glued, and gluing in a very warm room, though these steps can be dispensed with if the glue and clamp operation can be carried out quickly. Hide glue has some gap filling properties, although modern gap-filling adhesives, such as epoxy resin, are better in this regard.

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Hide glue that is liquid at room temperature is also possible through the addition of urea. In stress tests performed by Mark Schofield of Fine Woodworking Magazine, “liquid hide glue compared favorably to normal hide glue in average strength of bond.

The hides are then rinsed to remove the lime, any residue being neutralized with a weak acid solution. The hides are heated, in water, to a carefully controlled temperature around 70 °C (158 °F) degrees Celsius.

Recently glued joints will release easily with the application of heat and steam. In contrast, cleaving a joint glued with PVA will usually damage the surrounding material, creating an irregular break that is more difficult to repair.

For example, instruments in the violin family require periodic disassembly for repairs and maintenance. The brittleness allows the top to be removed, often without significant damage to the wood.

Re gluing the top only requires applying new hot hide glue to the joint. If the violin top were glued on with PVA glue, removing the top would require heat and steam to disassemble the joint (causing damage to the varnish), then wood would have to be removed from the joint to ensure no cured PVA glue was remaining before regluing the top.

horse paper pva glue torn tissue uploaded ripped bird
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Violin makers may glue the center seams of top and back plates together using a rubbed joint rather than using clamps. At this point the plate is set aside without clamps, and the hide glue pulls the joint together as it hardens.

Hide glue regains its working properties after cooling if it is reheated. This property can be used when the glue's open time does not allow the joint to be glued normally.

For example, a cello maker may not be able to glue and clamp a top to the instrument's ribs in the short one-minute open time available. The veneer and/or the substrate is coated with hot hide glue.

A hot object such as a clothes iron is applied to the veneer, liquefying the underlying glue. When the iron is removed, the glue cools, bonding the veneer to the substrate.

Hide glue joints do not creep under loads. PVA glues create plastic joints, which will creep over time if heavy loads are applied to them.

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Hide glue is supplied in many gram strengths, each suited to specific applications. Instrument and cabinet builders will use a range from 120 to 200 gram strength.

Hoof glue is also used today in woodworking, specifically cabinetry. It also is used in bookbinding and as the adhesive component of some recipes for less and compo.

The story of an ancient art, from the earliest adhesives to vegetable glue. A History of Fish Glue as an Artist's Material: Applications in Paper and Parchment Artifacts.

^ An, Onto; An, Jingling; Zhou, Tie; Yin, Xia; BO, Long (July 2014). “Identification of proteinaceous binding media for the poly chrome terracotta army of Emperor Qin Shipping by MALDI-TOF-MS”.

The Materials of the Painter's Craft in Europe and Egypt from The Earliest Times to the End of the Xvii Century, with Some Account on their Preparation and Use.

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