By Seth Millstein for Sentient.
Broadcast version by Nadia Ramlagan for West Virginia News Service reporting for the Sentient-Public News Service Collaboration

Every year, humans around the world eat 360 million metric tons of meat. That’s a lot of animals — or more precisely, a lot of dead animals. At any given point, there are 23 billion animals in factory farms, and countless more being farmed or caught in the sea. As a result, the number of animals killed for food every day is almost too large of a number to comprehend.

Animal Agriculture, by the Numbers

Before getting into the death toll, it’s worth remembering that animals suffer immensely in factory farms, and on the way to slaughterhouses, and in slaughterhouses. Around 99 percent of livestock are raised in factory farms, and factory farms prioritize efficiency and profitability over animal welfare. There are few laws protecting livestock from abuse and mistreatment on farms, and violators of those laws are rarely prosecuted.

The result is a significant amount of pain and misery for farmed animals, and that suffering is an important thing to keep in mind as we dive into the numbers behind these animals’ deaths.

How Many Animals Are Killed for Food Every Day?

Quantifying animal slaughter is relatively straightforward — except when it comes to fish and other aquatic life. There are two reasons for this.

First, the United Nations Food and Agriculture Organization (FAO), which tracks global livestock statistics, measures fish production in weight, not number of animals. Second, the FAO’s numbers only include farmed fish, not those caught in the wild.

To overcome the first challenge, researchers attempt to convert the total pounds of fish caught into the total number of fish themselves. Obviously, this is an inexact science that requires quite a bit of guesswork, and as such, estimates of fish slaughter tend to vary significantly, and are generally expressed in relatively wide ranges.

As for the second challenge, researchers Alison Mood and Phil Brooke have attempted to quantify the number of wild fish caught every year, first by pulling data from multiple sources and then by converting the total weight of wild fish to an estimated number of animals.

The following numbers are based on 2022 data from the FAO, except for the fish tallies: for farmed fish, the low end of the range draws on research by the Sentience Institute, while the high end is based on an analysis by Mood and Brooke. For wild-caught fish, the low end and high ends of the estimate are both based on a range provided by Mood and Brooke.

With that being said, here are the best estimates of how many animals are killed every day on a per-species basis.

• Chickens: 206 million/day


• Farmed Fish: Between 211 million and 339 million


• Wild Fish: Between 3 billion and 6 billion


• Ducks: 9 million


• Pigs: 4 million


• Geese: 2 million


• Sheep: 1.7 million


• Rabbits: 1.5 million


• Turkeys: 1.4 million


• Goats: 1.4 million


• Cows: 846,000


• Pigeons & other birds: 134,000


• Buffalo: 77,000


• Horses: 13,000


• Other animals: 13,000

In total, this means that every 24 hours, between 3.4 and 6.5 billion animals are killed for food. That comes to a lower-end estimate of 1.2 trillion animals killed every year. That’s a positively staggering number. For contrast, anthropologists estimate that the total number of human beings who’ve ever existed is just 117 billion.


A couple of things stand out about this data.


For one, if we exclude fish, the overwhelming majority of animals slaughtered for food are chickens. This isn’t a surprise, given that poultry consumption has skyrocketed over the last 60 years: between 1961 and 2022, the average person went from eating 2.86 kg of chicken every year to 16.96 kg — an increase of almost 600 percent.


The consumption of other meats didn’t rise nearly as much over that period. There was a modest increase in per-capita pork consumption, from 7.97 kg to 13.89 kg; for every other meat, consumption has remained relatively stagnant over the last 60 years.


Also notable is the relatively high death tolls of animals that many Americans might not think of as meat sources for humans. Slaughtering horses for meat is illegal in the U.S., but that doesn’t stop people around the world from killing 13,000 of them every day. Rabbit meat isn’t a common dish in America, but it’s wildly popular in China and the European Union.


Animals Slaughtered Who Are Never Eaten


One thing that’s particularly frustrating about all of this, from both an efficiency standpoint and an animal welfare standpoint, is that a sizable share of the animals killed for food are never even eaten.


A 2023 study published in Sustainable Production and Consumption found that 24 percent of livestock animals die prematurely at some point in the supply chain: they either die on the farm before they’re slaughtered, die in transit on their way to the slaughterhouse, die at a slaughterhouse but aren’t processed for food, or are thrown away by grocers, restaurants and consumers.


This wasted food adds up to about 18 billion animals a year. The meat from these animals never reaches the lips of any human, making their deaths — which, it should be stressed, are often excruciatingly painful and bloody — essentially pointless. What’s more, this tally doesn’t even include seafood; if it did, the amount of wasted meat would be many orders of magnitude higher.


In the U.S., around a quarter of animals in this category die on the farm from disease, injury or other causes. Another seven percent die in transit, and 13 percent are thrown away by grocers after being processed into meat.


Some of these “wasted deaths” are part and parcel of factory farm operations. Every year, around six billion male chicks are intentionally killed, or “culled,” on factory farms due to the fact that they can’t lay eggs. In the seafood industry, billions of aquatic animals are caught by accident every year — a phenomenon called bycatch — and are either killed or injured as a result.


It’s worth noting that these numbers vary significantly from country to country. The global average for wasted meat is around 2.4 animals per person per year, but in the U.S., it’s 7.1 animals per person — almost three times higher. On the other end of the spectrum is India, where only 0.4 animals per person are wasted every year.


The Hidden Death Tolls of the Environmental Destruction of the Meat Industry


The above death tolls only count animals who are farmed or caught with the goal of being eaten by humans. But the meat industry claims many other animal lives in more indirect ways.


For instance, cattle farming is the number one driver of deforestation around the world, and deforestation inadvertently kills a whole lot of animals that were never intended to be food in the first place. In the Amazon alone, 2,300 animals are at risk of extinction due to deforestation, as the clearing of trees wipes out their natural habitats and deprives them of the resources they need to survive. 


Another example is water pollution. The manure from livestock farms often leaks into nearby waterways, and this can have a ripple effect that results in many more animal deaths: Manure contains phosphorus and nitrogen, both of which promote the growth of algae; this eventually leads to harmful algal blooms, which deplete the oxygen in the water and clog the gills of fish, killing them.


All of this is a long way of saying that killing one animal for food often results in many other animals dying.


The Bottom Line


The astonishing number of animals killed for food every day, both directly and indirectly, is a sobering reminder of the impact our appetite for meat has on the world around us. From the animals slaughtered on farms to the creatures killed by agriculture-driven deforestation and farm pollution, the death toll that a meat-based diet demands is much higher and more far-reaching than many people realize.




Seth Millstein wrote this article for Sentient.


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By Jessica Scott-Reid for Sentient.
Broadcast version by Mike Moen for Nebraska News Connection reporting for the Sentient-Public News Service Collaboration

Livestock auctions exist all across North America. They serve as a stop between the farms where animals are born, and the farms where they will be "fattened" or "finished;" the stop between life and death, where animals are sold to be slaughtered. In these fast-paced spaces, animals are pushed through like products - prodded, chased, tossed and dragged - by people paid to get the job done, quickly.

Between late 2022 and early 2024, footage was gathered from over a dozen of these auctions, from across 10 U.S. states by Pete Paxton (Sentient has agreed to use an alias), an undercover investigator with the group Strategies for Ethical and Environmental Development, or SEED.

For a recent story for Vox Media, I was tasked with watching this footage, which shows terrified, confused and exhausted animals being handled harshly, or outright abused. Some animals are shown with injuries, while others have already died at auction.

The footage also shows workers with seemingly no regard for the animals' suffering. Some lash out at the animals in frustration, while others laugh at animals in pain.

"Hundreds or even thousands of animals are sold at auctions within hours," Paxton writes on SEED's website, "and workers must keep up the pace to move scared, exhausted, sick and injured animals in and out of pens. Workers experience dehydration, hunger and exhaustion as a result, which often leads to impatience and subsequent abuse."

Writing the Vox story was difficult. The 20-minute compilation of secretly filmed clips initially took me a week to get through; I could only watch for a few minutes at a time before the discomfort became unbearable. But then, over time, something interesting happened: watching the footage became easier for me. And Paxton understands, firsthand, why.

Desensitization and Animal Abuse

Working on the story over a few months, I had to go back to the footage over and over again. As I did, the images and sounds that had once made me gasp and cover my eyes became less horrific. Over time, they even became bearable. I had become desensitized to the animals' pain and fear, a phenomenon common among those who work in animal farming spaces like auctions.

Dr. Philip Tedeschi, a clinical professor at the University of Denver, and an expert in the human-animal connection, explains that for people working in animal farming spaces, empathy can become incompatible with the job, "inefficient" and "inconvenient."

"One of the things we know about studying empathy is that the presence of empathy can be an inhibitor to engaging in the behavior itself," he explains. "If you're required to engage in forcing animals through a meat processing plant, or expected to stick to a very strict timeline," like at auctions or on an assembly line, "you can't afford to be gentle or kind or humane. Then one of the things that's inefficient or incompatible is to have empathy for those individual animals." Emotionally distancing from animals can aid these workers in getting through the work day.

Paxton admits that the work he does as an undercover investigator is "pretty fucking difficult."

"I've had ex-military and ex-law enforcement reach out to me, and they're like, 'I don't know how you do that, because, man, I would lose my shit.'" But Paxton knows he's there to complete an important task, and that allows him to compartmentalize his feelings. "I tell investigators when I train them, 'It's way easier than you think to get used to the abuse, because when you see it there's two things going on in your head: one is, 'Oh, shit, an animal is being abused,' and then the other thing in your head is, 'I have to document that and not get caught.'"

For Paxton, overriding his concerns about the animal abuse he witnesses is an important part of his job as an investigator. For the people who work at animal auctions, Paxton believes desensitization operates much the same way. Abuse of animals at auctions becomes normalized, Paxton reports, as workers are pressured by management to move animals in and out - fast.

The harsh environment forces workers - ranging from inexperienced teens to long-time workers - to handle animals roughly to keep up with the demanding work. They also learn abusive behaviors from each other.

The Mental Health Impact of Working in Animal Agriculture

As part of his investigation, Paxton kept video footage and written records of certain people he met while working at the auctions. On SEED's website, he describes some of these workers as "good people" who "do bad things."

For example, in one small rural town, Paxton met 17-year-old "Audrey." Exhausted and under pressure, she mimicked abusive actions she witnessed from co-workers, reflecting learned behaviors. "As the workday dragged on, her frustrations led her to drag baby lambs and goats by their legs in fits of anger, mirroring the abusive actions she saw around her," Paxton writes. He also recalls "Stewart," a hardworking 20-year-old, dragging goats and jabbing calves with his keys, seeing cruelty as necessary for the job, "a means to an end."

Similar working conditions have also been documented in slaughterhouses, where both workers and animals are known to suffer. Slaughterhouse workers have for decades been documented engaging in extreme cruelty beyond basic animal handling.

For example, a 2018 investigation by Animal Aid uncovered UK slaughterhouse workers beating cows with pipes, while encouraging others to join in. In 2022, Animal Equality documented workers in Brazil kicking, beating and dragging cows by ropes, and twisting their tails to force movement.

Research has shown that the slaughterhouse environment, and the nature of slaughterhouse work itself, can and does have notable psychological impacts on workers. For example, slaughterhouse workers are four times more likely to be clinically depressed than the general public, according to a 2015 study. Higher rates of anxiety, psychosis and serious psychological distress are also found among those working in slaughterhouses, compared to the population at large.

As Dr. Kendra Coulter, now coordinator of Huron University's Animal Ethics and Sustainability Leadership program, told Sentient in 2020: in slaughterhouses, both workers and animals are commodified, "animals literally so." But both are ultimately seen as disposable.

Cultural Impact on Animal Treatment

Upbringing and culture can also play a key role in one's ability to turn off empathy for farm animals. As Tedeschi explained to Sentient on the topic of rodeos, if a person is brought up since childhood to believe that something is "culturally defined as a deserving activity," it becomes normalized.

We see this in rodeo activities geared specifically toward children, such as "pig scrambles" and "mutton busting," where children will ride sheep or other animals, "or engage in wrestling an animal or controlling them in some form," Tedeschi says, "And then getting a lot of attention for that. This is early shaping of those behaviors." Organizations like 4H and Future Farmers of America similarly serve to socialize children to emotionally distance themselves from the animals they are tasked to care for, before selling them to be slaughtered.

Paxton notes that the people he met while working at livestock auctions come from this same wider community. "They're the same people," he says. "They fucking love rodeos." This also includes the police and inspectors on site. "If you're a cop and you're in a rural area, you probably have cows, you've probably kicked them," he says. "Your parents have kicked them, and you're not going to bring charges against a fucking kid or elderly person who does the same thing."

"It's cowboy culture," Renee King-Sonnen, a former cattle rancher turned animal sanctuary operator, told Vox. Cowboy culture involves the normalization of inhumane treatment of animals at auctions, she adds. The drive to belong to that culture is what drives that shared behavior.

"People that are part of this community or this culture feel a solidarity with each other," explains Dr. Rebekah Humphreys, a senior lecturer in philosophy at the University of Wales, and an expert in animal ethics. In the case of spaces where animals are farmed, slaughtered, tested on, etc., "the mistreatment of animals," she says, is "reinscribed and perpetuated through cultures. And then anyone that is outside of that norm is criticized as being overly sentimental or anthropomorphic."

Paxton believes that most people working at auctions don't believe they're doing anything wrong when they mistreat animals. "For many of them, it is the right thing, pulling a screaming goat by the ear," he says. "This animal just needs to move, [and] everyone's always done it that way. Does that make me an asshole?" he asks, putting himself in the position of the workers. "Or wouldn't I really be an asshole if I said, 'Everyone stop the entire auction?' If I had to assuage this animal's feelings and recognize this animal as an individual?"

The Bottom Line

Ultimately, both Tedeschi and Humphreys agree that the commodification of farm animals as property, legally and morally, allows places like animal auctions to exist, and for farm animals to be othered so severely. "The industrialization and commodification of [farm animals] has turned them into objects to the extent that we are really quite distanced from them," says Humphreys.

And that distance, Tedeschi believes, prohibits humans from thinking of these animals with more ethical consideration. "We're not likely to see people do a deeper kind of moral investigation into how we interact with other animals, as long as we view them as having the same legal position as the toaster on our counter."

For people like Paxton and me, who exist outside that cowboy culture but are tasked with investigating it, the ability to compartmentalize - to distance ourselves from the natural empathy we feel for animals, in order to get the job done - also reveals just how easily desensitization can happen.

This is in part what allows Paxton to see those who abuse animals at auctions as otherwise good people. "I'm not really scared of these people," he says. "I didn't find them to be violent or terrifying people. They're fucking nice people," he says. As long as you're not a cow.


Jessica Scott-Reid wrote this article for Sentient.


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Animal rights organizers are regrouping after mixed results at the ballot box in November.

A measure targeting factory farms passed in Berkeley but failed in Sonoma County. Measure J, to ban concentrated animal-feeding operations, only got 15% of the vote and Ordinance 309 to ban slaughterhouses failed in Denver.

Cassie King, an organizer with the Coalition to End Factory Farming, helped raise $280,000 to promote the ban in Sonoma County, even as opponents raised $2.2 million.

"We learned that money and the ability to lie during political campaigns is a very powerful combination of factors to be up against," King asserted. "I was shocked by the amount of misinformation that came out from the No on J campaign, just statistics that had no basis in reality."

Measure DD in Berkeley passed but is mostly symbolic since the only existing concentrated animal feeding operation, a horse racing operation called Golden Gate Fields, closed last June.

King stressed win or lose, the measures went a long way toward raising public awareness of the pollution and animal welfare issues at large factory farms.

"It's a test case, and whether it wins or loses, it's generating tens of thousands of conversations in the county and many more beyond," King contended. "And making the end of factory farming visible for a lot of people who haven't realized that it's something we can achieve in our lifetimes."

The "No on J" campaign and opponents of the Denver slaughterhouse ordinance argued the bans would have hurt jobs and tax revenue.

This story is based on original reporting by Seth Millstein for Sentient.


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Advocates said a lack of animal welfare laws is leading to pain and suffering on American factory farms.

Close to 99% of livestock is now raised in industrial-type facilities, where animal welfare groups said efficiency and profitability take precedence over animals' well-being.

Delcianna Winders, associate professor of law and director of the Animal Law and Policy Institute at Vermont Law and Graduate School, said while more than a dozen states have banned what are deemed torture-like confinement for animals, there is no federal law protecting them from abuse.

"If most people were aware that the animal they're sitting down to eat couldn't move throughout their entire life, just to give one example, I don't think they would want to support that," Winders contended.

Winders pointed out the Humane Methods of Slaughter Act requires animals be knocked unconscious before they are killed but corporations running factory farms are lobbying for the law to be weakened in order to speed up meat production.

So-called "ag-gag" laws in several states criminally penalize those who seek to expose animal suffering on farms, in slaughterhouses and at animal auctions. Winders added she is concerned a second Trump Administration could allow factory farm owners to further erode any remaining health and safety standards.

"They've been able to carve themselves out from complying with the laws that everybody else has to comply with," Winders asserted. "That certainly includes cruelty-to-animals laws. It also includes pollution laws, worker-safety laws, the whole gamut."

Winders advised people concerned with animal welfare to try more plant-based alternatives to meat and learn more about how their food is raised. She stressed as consumers increasingly turn to "organic" and "free-range" meat options, corporations are working to lower the standards for what those labels mean and the conditions under which those animals can be raised.

This story is based on original reporting by Seth Millstein for Sentient.


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