Behind-the-scenes look inside one of the world’s biggest slaughterhouses by Alastair Philip Wiper

Photo essay: British photographer Alastair Philip Wiper toured the interior of one of the largest slaughterhouses in the world to create this series of images documenting how pigs are turned into pork, sausages and bacon (+ slideshow).

Danish Crown is the world’s largest exporter of pork, killing approximately 100,000 pigs a week to cater to the growing global demand for meat. Alastair Philip Wiper visited the company’s abattoir in Horsens to capture a behind-the-scenes look at the entire process, starting at the pens where the pigs arrive and moving through the spaces where the animals are slaughtered, butchered and packaged for sale.

Wiper says he “finds it difficult to tolerate those who love eating meat, but cannot bear to think about, or look at, the slaughter and death of that animal”, so each image in the Danish Crown Slaughterhouse is intended to reveal the entire butchering process, made visible by the transparency and openness of the spaces.


I am not a squeamish person. I love food, I love meat, and I particularly love pork. In an ideal world, we would all get our meat from the guy in our village whose family has lovingly cared for their animals over generations, given the animals the best possible life, fed them only the best food, read them a bed-time story every night and given them kilometres of space to roam free in before being humanely and ceremoniously slaughtered by the patriarch of the family. Unfortunately most of us don’t live in that world, and while there is a strong case for a serious discussion about whether or not we really need to eat, or should be eating, as much meat as we do, that is a discussion for another day.

Danish Crown Slaughterhouse photography by Alastair Philip Wiper

The reality is that the society we live in craves meat, on a massive scale. Where there is a demand there will be a supply, and finding out how that supply is met is something that all meat-eaters should be interested in. As a food lover, I am firmly of the belief that people should think about, understand and respect their food (that includes vegetables!) and part of that respect is rooted in where the meat on your plate comes from and how it died. I find it difficult to tolerate those who love eating meat, but cannot bear to think about, or look at, the slaughter and death of that animal. It seems disrespectful towards the animal, and if I wanted to get really eggy about it, I’m not sure if such people should be allowed to eat meat at all. So it was with great anticipation that I looked forward to my visit to the Danish Crown slaughterhouse in Horsens, touted as “the most modern slaughterhouse in the world”.

Danish Crown is the world’s largest exporter of pork, supplying pork to customers all over the world; 90 percent of the pork slaughtered in Denmark is exported, with the UK being the biggest market. Completed in 2004, the slaughterhouse at Horsens kills approximately 100,000 pigs per week, making it one of the largest in the world. There are 1,420 people employed there, and the slaughterhouse receives around 150 visitors per day.

Danish Crown Slaughterhouse photography by Alastair Philip Wiper

The slaughterhouse has been designed with openness in mind; a viewing gallery follows every step of the production, from the pigs arriving, to the slaughter itself, to the butchering and packaging. I was genuinely surprised at the level of openness at the plant; Danish Crown wants to invite people in and say “look, this is how we do it”.

The first part of the process is called the “black” slaughter line, and is in stark contrast with the minimalist, office-like corridors that surround the slaughtering area. We started off in the space where the pigs arrive – holding pens where up to 3,800 pigs (3 and a half hours worth of slaughtering) will sit for 1-2 hours before they are slaughtered. “Listen to that” says my guide, Agnete Poulsen. “Listen to what?” I think. “There are thousands of pigs in here, and you can hardly hear a sound. Have you ever heard the noise that ten pigs can make? It’s incredible. These are very calm pigs, and that’s the way we want them to be. This room has been designed to calm the pigs down before they go into the slaughterhouse. If the pigs are stressed when they are killed, the quality of the meat will not be so good.”

Danish Crown Slaughterhouse photography by Alastair Philip Wiper

From there, the pigs are gently herded in small groups by a series of moving walls into a gas chamber, where they are rendered unconscious by C02 gas. A minute later, they tumble out of the chamber on to a conveyor belt from where they are strung up by their legs before being stuck in the carotid artery and bleeding to death.

The pigs continue on their journey along a long line, strung up by their legs. They disappear into a cabinet, where an automatic saw chops their body in half. Then a series of workers remove different organs from each side of the body – one lucky guy’s job is to remove the brain, the next one the heart, and so on. Needless to say, there is a lot of blood. As I mentioned earlier, I believe it is important to understand how an animal is butchered, and even try it yourself; but, I think to myself, I couldn’t do this for a living. “Do you psychologically profile the guys who do these jobs? How do you know they won’t crack up after a couple of weeks?” I ask Agnete. “Not at all” she replies. “They get used to it very quickly. You would too. We don’t force people to do this, they are happy to do it. It’s an honest job.”

Danish Crown Slaughterhouse photography by Alastair Philip Wiper

All of the organs collected in this process move on to different sections of the plant where they will be processed further – there is always a part of the world where something we don’t eat here is a delicacy. From the “black” slaughter line, the pigs are hung for 16 hours in a refrigerated room, before moving on to the next line for general butchering by hand, then packaging, before being loaded on to trucks and whizzed off to far-flung places. At each step of the process, different parts of the pig are stamped, scanned and recorded, so that each piece of meat in the supermarket can be traced right back to the farm that it came from and the time it was slaughtered.

The slaughterhouse at Horsens was truly one of the most fascinating places I have visited on my travels. It is an experience that will leave a mark on my daily life, and help me to understand, just a little, about another important aspect of my food. As you can probably tell, this is not an in-depth exposé of an industry, and my experience is not enough to knowledgeably critique the process of delivering Danish Crown bacon to your breakfast table; nor can I account for the processes of Danish Crown outside what I saw in Horsens. But I was pleasantly surprised by the openness of the plant about its operations and methods, and it is clear that when they designed the slaughterhouse they were thinking ahead in terms of what consumers will want to see from food producers: more transparency.

Danish Crown Slaughterhouse photography by Alastair Philip Wiper

And while I can’t comment on the conditions of the lives of the pigs before they get to the slaughterhouse (the vast majority of which come from Denmark), I can only make an educated guess that, through my own experience as a resident of Denmark, the laws that govern the treatment of pigs would be about as strict or stricter as they would be anywhere else in the world. Anyone with any knowledge on that would be welcome to chip in. I am happy to admit that I finished my tour with a sausage in the canteen.

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biggest slaughterhouses by Alastair Philip Wiper
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SOLAR / ANECHOIC by Alastair Philip Wiper

The world’s largest solar furnace and wave-reflecting chambers are captured in this series of images documenting the architecture of science and research facilities by British photographer Alastair Philip Wiper (+ slideshow).

SOLAR / ANECHOIC by Alastair Philip Wiper
Radio Anechoic Chamber at the Technical University of Denmark, Copenhagen

Alastair Philip Wiper has photographed a variety of structures built to test technologies and facilitate research, with the aim of celebrating the visual impact of industrial and scientific architecture.

SOLAR / ANECHOIC by Alastair Philip Wiper
Radio Anechoic Chamber at the Technical University of Denmark, Copenhagen

The series includes a radio anechoic chamber, a room designed to absorb all sound or electromagnetic reflections that is used for testing microwave antennas for satellites and mobile networks.

SOLAR / ANECHOIC by Alastair Philip Wiper
Radio Anechoic Chamber at the Technical University of Denmark, Copenhagen

The chamber at the Technical University of Denmark appears to have thousands of sharpened pencils protruding from all surfaces. Carbon powder is contained within the spikes, which are coloured blue rather than black, as they were previously, to make the space less depressing for those working inside.

SOLAR / ANECHOIC by Alastair Philip Wiper
The Mont-Louis Solar Furnace, France

Also included is the Mont-Louis solar furnace, built in 1949 by Dr. Felix Trombe in the French Pyrenees – a region that benefits from excellent solar conditions. The contraption concentrates the sun’s rays onto a tiny area where objects can be heated to extremely high temperatures.

SOLAR / ANECHOIC by Alastair Philip Wiper
Odeillo Solar Furnace, France

The giant parabolic mirror of the Odeillo solar furnace – the largest solar furnace in the world, also built by Trombe in 1970 – does the same job on a much bigger scale, and reflects the surrounding landscape on its shiny panels.

SOLAR / ANECHOIC by Alastair Philip Wiper
Odeillo Solar Furnace, France

The images are currently on display at the Gallery Etage Projects in Copenhagen as part of the city’s photography festival.

Previously we’ve published photos taken inside Google’s data centres, pictures of the Large Hadron Collider at CERN and a series of images showing ruined World War Two monuments across former Yugoslavian territories.

See more photography series »

The photographer sent the following text:


SOLAR / ANECHOIC

SOLAR / ANECHOIC deals with the unintentional beauty of science and research facilities: in particular, the anechoic chambers at the Technical University of Denmark (DTU) and the Four Solaire in the French Pyrenees, the world’s largest solar furnace. These facilities are designed to be purely functional, to push the limits of heat, radio and sound waves, and they are awe inspiring in their contribution to the advancement of mankind both on our planet and in space. They are also remarkable in another way: their visual impact. Without understanding the complexities of the functions of the facilities it is possible to marvel at the ingenuity of human beings and their ability to create such inadvertent masterpieces.

Alastair Philip Wiper is a British photographer based in Copenhagen and working worldwide. Alastair’s work provokes analysis of the magnificence of human ingenuity, and the importance of industry and science as a cause for celebration. The search for his subject matter has taken him to weird and wonderful places such as the laboratories of CERN in Switzerland, waste incineration plants in Denmark, and gin distilleries and flour mills in the UK.

“An anechoic chamber (an-echoic meaning non-echoing or echo-free) is a room designed to completely absorb reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both aspects means they simulate a quiet open-space of infinite dimension, which is useful when exterior influences would otherwise give false results.”

SOLAR / ANECHOIC by Alastair Philip Wiper
Resonating Chamber at the Technical University of Denmark, Copenhagen

The radio anechoic chamber at Denmark’s Technical University (DTU) opened in 1967, and is currently operated in cooperation with the European Space Agency (ESA) for the testing of microwave antennas for use in satellites and mobile networks, among other things. The idea is to minimise any reflections of microwaves, and the big foam spikes are filled with carbon powder to absorb the radio waves. This tests the effectiveness of the antennas without any external intrusion, simulating the conditions of, for example, space.

Many of these chambers are blue in colour, and according to Sergey Pivnenko, the professor in charge of the chamber, most of them were black in the old days – then some bright spark noticed that it was a bit depressing to work in a black spiky room all day, so the manufacturers of the spikes started to produce them in blue.

A resonance chamber uses resonance to amplify sound. The chamber has interior surfaces that reflect an acoustic wave. When a wave enters the chamber, it bounces back and forth within the chamber with low loss. As more wave energy enters the chamber, it combines with and reinforces the standing wave, increasing its intensity.

SOLAR / ANECHOIC by Alastair Philip Wiper
Odeillo Solar Furnace, France

Due to the excellent conditions for solar energy, the region of Cerdanya in the French Pyrenees has been a site for solar experimentation for over half a century. The region enjoys almost 2400 hours of sunshine per year, very low wind and a high elevation to provide stronger sunlight. This is the Mont-Louis solar furnace, built in 1949 by Dr. Felix Trombe and the first of its kind in the world. The solar furnace concentrates the power of the sun into a tiny area where objects can be heated to extremely high temperatures; this heat is completely pure because there are no burning substances that can pollute the heat.

In 1970 Dr. Trombe opened the worlds largest solar furnace a few kilometers away at Odeillo, and the furnace works on the same principle as its older, smaller brother: the sun’s energy is reflected on a series of mirrors and concentrated on one very small point to create extremely high temperatures. The immense parabolic mirror, tall as the Arc de Triomphe in Paris, reflects the countryside and sky, giving an ever changing patchwork view of the surrounding area that is beautiful and fascinating to watch, and focuses the sun’s rays onto a point about the size of a cooking pot, where temperatures reach 3,500 °C.

The furnace is still used by space agencies like NASA and the European Space Agency (ESA), scientists, and technology companies to research the effects of extremely high temperatures on certain materials for nuclear reactors and space vehicle reentry, and to produce hydrogen and nanoparticles.

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by Alastair Philip Wiper
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