Chapter 1
The Pig's Tale: A Journey Through Civilization
Imagine a creature so versatile it can convert kitchen scraps into succulent meat, survive in virtually any environment, and reproduce with astonishing speed. This animal has been a cornerstone of human civilization for 10,000 years, yet remains deeply divisive-beloved by some cultures and despised by others. Mark Essig's "Lesser Beasts" explores this remarkable animal's journey from forest dweller to factory farm resident, revealing how the humble pig has shaped human history in profound ways. The book has gained cult status among chefs, historians, and sustainable agriculture advocates, with celebrity chef Anthony Bourdain calling it "essential reading for anyone who cares about where their food comes from." Beyond culinary circles, it offers a fascinating lens through which to understand human civilization itself-how we've organized our societies, developed our religions, and structured our economies has often revolved around this intelligent, adaptable creature that both resembles us and sustains us.
Chapter 2
The Omnivore's Advantage: Evolutionary Kinship with Humans
The remarkable biological similarities between pigs and humans extend far beyond the confusion of teeth that once embarrassed paleontologist Henry Fairfield Osborn. From our dental structure to our digestive systems, pigs and humans share fundamental traits that reflect our common omnivorous diets. While other hoofed mammals evolved specialized adaptations for grassland living-complex stomachs for digesting cellulose and long legs for outrunning predators-pigs remained forest generalists with simpler digestive systems and shorter limbs better suited for navigating thickets.
This evolutionary path required pigs to develop enhanced intelligence. Following what scientists call the "expensive-tissue hypothesis," pigs, like humans, devoted more metabolic resources to brain development rather than maintaining enormous fermentation-tank digestive systems like those found in ruminants. This parallel evolutionary strategy made pigs remarkably adaptable, allowing them to thrive across diverse habitats worldwide.
Perhaps the pig's most distinctive adaptation is its extraordinary snout-a sensory powerhouse that functions almost like a fifth limb. This specialized nose gives pigs unparalleled ability to detect and extract underground foods inaccessible to other animals. Their rooting behavior, enabled by this remarkable organ, allows them to uncover roots, tubers, insects, and even buried carrion with astonishing precision.
The Eurasian wild boar (Sus scrofa) that emerged around 4 million years ago had already developed the essential traits that would make it an ideal candidate for domestication: intelligence, dietary flexibility, and reproductive efficiency. But the truly transformative relationship between pigs and humans wouldn't begin until roughly 10,000 years ago, when these two clever omnivores formed a partnership that would reshape landscapes and civilizations across the planet.
This shared evolutionary history explains why pigs have been such successful companions to humans-they can eat what we eat, adapt to our environments, and even share some of our diseases. It also helps explain why we've maintained such a complex, sometimes contradictory relationship with these animals that mirror us in so many ways.
Chapter 3
From Scavenger to Domestic Partner: The Self-Domesticated Pig
In 1989, archaeologists excavating Hallan Cemi, an 11,000-year-old village in Turkey's Taurus Mountains, uncovered evidence of humanity's earliest relationship with pigs. The pattern of bones-predominantly young males with females preserved for breeding-suggested humans were beginning to manage pig populations. This transition coincided with the Neolithic revolution, when warming climates after the ice ages enabled humans to establish permanent settlements and begin cultivating crops.
Unlike sheep and goats, which humans actively domesticated through selective hunting and herd management, pigs likely domesticated themselves. As early human settlements produced increasing amounts of garbage, bolder wild boars ventured closer to these food sources. Natural selection favored those with shorter "flight distances"-less fear of humans-who gained better access to food waste while remaining docile enough to avoid being killed. This process mirrors how wolves evolved into dogs, with the crucial difference that pigs remained primarily food animals rather than work partners.
Evidence from Cayonu Tepesi in Turkey shows this evolution over 2,000 years-first through changes in slaughter patterns, then through physical transformations. Domestic pigs developed shorter snouts, smaller brains, and more crowded teeth compared to their wild ancestors. Their coat colors changed as selection pressures shifted from camouflage to human preference. Perhaps most significantly, their behavior adapted to tolerate closer proximity to humans and other pigs in confined spaces.
This self-domestication occurred independently in multiple regions-China's Yellow River valley, possibly along the Yangtze, likely in India and Southeast Asia, and in the Near East. Each domestication event created pigs adapted to local conditions and human needs, contributing to the diverse pig breeds we know today.
The intimate relationship between pigs and human settlements created a unique ecological niche-pigs became living recycling systems, transforming human waste into valuable protein. This role would prove both beneficial and problematic as civilizations grew more complex, establishing the foundation for the pig's contradictory status in human culture: simultaneously valued for its utility and despised for its association with filth.
Chapter 4
Sacred and Profane: The Pig in Ancient Civilizations
As complex civilizations arose in Egypt and Mesopotamia, the humble pig found itself increasingly marginalized in official culture while remaining crucial to ordinary people's survival. Archaeological evidence reveals a striking pattern: while state-controlled livestock systems focused on cattle, sheep, and goats that could be herded long distances, pigs remained important primarily to common people and those on society's margins.
At Kom el-Hisn, a village supplying livestock to the Great Pyramid builders, villagers ate primarily pork while sending cattle to Giza. This pattern appeared throughout the Near East-pigs flourished wherever ecologically possible but fluctuated with political conditions. At Tell Halif, periods of high pig consumption corresponded with weak state control, when villages had to fend for themselves. As empires grew stronger and forests gave way to cropland, pasture, and eventually desert, pig habitat diminished.
The pig's urban habits eventually led to its cultural devaluation. As cities grew without adequate sanitation, residents discarded garbage and human waste in streets. Pigs readily consumed these wastes-a habit documented worldwide from ancient China to 18th-century England. A Chinese terra cotta sculpture from 200 AD shows a combination pigsty-outhouse where people deposited waste directly to pigs below. The practice survived into the 1960s on Korea's Cheju Island, where farmers insisted this produced the "sweetest pork."
This waste-disposal role violated nearly universal taboos against consuming human excrement and carrion. "The pig is impure," declared a Babylonian text, because it "makes the streets stink." Throughout the Near East, pigs were excluded from temples and religious offerings as offensive to the gods.
By 1200 BC, a cultural pattern had emerged that would persist for millennia: elites avoided pork while the urban poor depended on it. This division reflected not just religious prohibitions but practical realities-pigs couldn't be integrated into imperial food distribution systems, making them simultaneously a symbol of independence from state control and a mark of lower social status.
Chapter 5
The Jewish Prohibition: Identity Through Abstention
When the Israelites settled in Canaan around 1200 BC, they codified their rejection of pork into religious law. Like their neighbors, they avoided pigs, but uniquely made this avoidance central to their identity. The prohibition, recorded in Leviticus and Deuteronomy, would eventually influence nearly a quarter of the world's population through Judaism and Islam.
According to scripture, God provided detailed instructions on worship and purity, including the prohibition: "Of their flesh shall ye not eat, and their carcass shall ye not touch; they are unclean to you." Archaeological evidence confirms that while pig bones appear in Philistine settlements, they're largely absent from Israelite sites, suggesting the prohibition was widely observed.
Scholars have proposed numerous theories for this prohibition: Mary Douglas argued pigs were "taxonomic anomalies" that didn't fit neatly into categories; others cited environmental unsuitability, pastoralist prejudice against settled pig-keepers, or opposition to idolatrous neighbors' practices. A compelling recent theory suggests banning pigs prevented poor people from achieving food independence outside state control.
The medical explanation-avoiding trichinosis-is largely rejected by scholars. The parasite may not have existed in ancient Palestine, and the delayed onset of symptoms would have made connecting illness to pork consumption difficult. As medieval Jewish scribe Isaac Abrabanel wrote: "God forbid that I should believe that the reasons for forbidden foods are medicinal... the Book of God's Law would be in the same class as any of the minor brief medical books."
The pork prohibition gained heightened significance around 300 BC when Greeks arrived in the region. Unlike the tolerant Persians, Greek rulers forcefully imposed Hellenistic culture. In 167 BC, Antiochus IV invaded Jerusalem and tried to stamp out Judaism by forcing Jews to sacrifice swine and profane the sanctuary. The Books of Maccabees describe how elderly Eleazer refused to eat pork even when threatened with death, and how a mother and her seven sons were tortured and killed for the same refusal.
What began as one aspect of ritual purity became a crucial marker of Jewish identity under foreign occupation. When Romans later conquered Jerusalem in 63 BC, they responded to Jewish pork avoidance with puzzlement rather than violence, though their ostentatious pork consumption only reinforced the cultural divisions.
Chapter 6
Roman Extravagance: The Pig as Culinary Canvas
In stark contrast to Jewish rejection of pork, Romans embraced it with extravagant enthusiasm. They developed sophisticated farming techniques and created elaborate recipes for lavish feasts featuring pork. These opposing attitudes-Jewish repulsion versus Roman embrace-would define Western attitudes toward pigs for centuries to come.
Fellini's Satyricon, based on Petronius' ancient work, depicts a banquet scene featuring a roasted pig whose belly, when cut open, reveals various cooked meats-the famous "Trojan pig." This culinary metamorphosis reflected Rome's cosmopolitan civilization that absorbed many cultures, contrasting sharply with Jewish dedication to preserving ancient traditions.
Unlike in Jewish tradition, pigs were the most common sacrificial animal in both Greece and Rome, serving not to pollute but to purify. Greeks used piglet blood to cleanse murderers of their crimes, while Romans sacrificed pigs to seal public agreements and mark important private occasions. Pigs specifically symbolized fertility-at the Greek festival of Thesmophoria, rotted pork was scattered in fields to ensure good harvests. The connection between pigs and fertility was so strong that Greek and Latin terms for young pigs also referred to women's genitalia.
Roman culinary excess sometimes crossed into cruelty. Poets praised roasted udders of lactating sows "abundantly flowing with living milk." Some cooks stomped pregnant sows to blend "blood and milk and gore" for supposedly more delicious dishes. The Stoic philosopher Seneca decried these as "monstrosities of luxury," and Roman rulers attempted to limit such excesses through sumptuary laws.
Meat became so central to Roman identity that emperors distributed free pork to citizens-by 450 AD, about 140,000 people received five pounds monthly for five months yearly, requiring Rome's butchers to process 20,000 pounds daily. The empire imposed pig taxes on forested regions south of Rome to ensure adequate supply.
This Roman enthusiasm for pork would eventually spread throughout their empire, establishing a tradition of pork consumption that persists in Mediterranean and European cuisine today. However, when Rome's sophisticated agricultural networks collapsed in the fifth century, only one type of Roman pig survived-not the fat white sty pigs that had symbolized imperial excess, but the rangy black forest pigs that could fend for themselves.
Chapter 7
Medieval Transformations: From Forest to Farmyard
When Rome's empire collapsed in the fifth century AD, its sophisticated agricultural networks disintegrated. As Germanic tribes swept through Europe, only one type of Roman pig survived-not the fat white sty pigs that had symbolized imperial excess, but the rangy black forest pigs that could fend for themselves. These hardy creatures soon reemerged as the staple source of meat and fat for Europeans of all classes.
Pigs had thrived in northern Europe long before Rome's fall. The region's warm ocean currents and year-round rainfall created hardwood forests perfect for wild boars. Genetic studies reveal that Near Eastern pigs brought by early farmers eventually died out, replaced by newly domesticated animals from European wild boar stock. As livestock distributed themselves according to terrain, pigs dominated forested regions.
The Salian Franks established a legal code with twenty laws for pigs, addressing theft, protection of "leader sows," and stealing of bells from pig troops. Anglo-Saxons similarly valued pigs at twice the price of sheep and severely punished destruction of mast-producing trees. Forests were measured by pig capacity rather than acreage, with designations like "wood for 100 swine" in the Domesday Book.
Medieval pig-keeping combined close management with forest foraging. Swineherds would gather hundreds of pigs, drive them to seasonal settlements, and use horns to call them back from foraging. These forest pigs often interbred with wild boars, creating hardy animals adapted to medieval conditions.
Europeans rivaled Romans in their love of swine. Nobles hunted wild boar to demonstrate courage, viewing the fierce animal as the ultimate test of strength. Archaeological evidence shows that nobles and monks consumed far more pork than peasants, who mostly ate beef and mutton from older animals. Medieval cooks created elaborate presentations like boars' heads breathing fire and roasted roosters riding glazed suckling pigs.
Beyond feasting, pigs provided crucial preserved food, with the "larder" named for lard, the most important preserved food. Europeans perfected pork curing techniques using salt and smoke, creating regional specialties in Parma, Iberia, and Germany that have endured for two millennia. Pigs also provided essential fat in the "lard belt" of northern Europe where olive trees couldn't grow.
The medieval forest pig represented a perfect adaptation to the conditions of the time-able to convert abundant forest resources into valuable protein with minimal human input. This system would persist until changing environmental and social conditions once again transformed the relationship between humans and pigs.
Chapter 8
The Pig's Moral Ambiguity in Christian Europe
As Europe's forests diminished and human populations grew, pigs moved from acorn-rich woodlands to urban environments where they scavenged human waste. This dietary shift damaged their reputation, as illustrated by stories about Saint Francis of Assisi. Though Christians ate pork, many retained Jewish prohibitions against eating carnivores and scavengers. A pig was acceptable food only if it hadn't consumed "nasty things."
Christianity placed pigs at the bottom of its animal hierarchy, with lambs at the top. The New Testament portrays pigs negatively: the prodigal son feeds them as the most abject work imaginable, and Jesus sends demons into 2,000 swine who then drown themselves. Medieval bestiaries described pigs as filthy beasts representing sinners and heretics, associated with gluttony and lust.
Though Christianity freed believers from Jewish dietary laws through Peter's vision in Acts, many Christians still retained prohibitions against eating blood and carnivores. The pig's omnivorous diet caused anxiety, with Irish priests creating elaborate rules: pigs that ate carrion could be consumed only after the carrion was "ejected from its intestines," while those that tasted human flesh were "always forbidden."
As forests diminished between 1000-1250 AD during the Medieval Warm Period, pigs moved into growing towns and cities, where they scavenged human waste under the "tout a la rue" ("everything in the street") sanitation system. Medieval court records document dozens of cases where pigs were tried and executed for attacking children. One French sow was dressed in human clothes and hanged upside-down-the same humiliating execution reserved for Jews.
Pigs featured prominently in anti-Semitic imagery, with the "Judensau" depicting Jews suckling from a sow and eating its excrement. Christians justified eating pork through complex medical theories, believing it was the meat most similar to human flesh and therefore most healthful-but only for Christians, who could transform even dangerous food into "virtuous nourishment."
Some Christians claimed Jews lusted after human flesh as a substitute for pork, perpetuating blood libel accusations that led to executions of Jews. A 1419 London ordinance grouped "Jews, Lepers, and Swine" together as contaminants to be removed from the city. In Spain after the Reconquista, eating pork became the ultimate test of Christian faith, with converts displaying medallions of pork to ward off the Inquisition.
The pig thus became not just a food animal but a powerful symbol in religious identity politics-a way to define who belonged and who didn't in Christian Europe. This symbolic weight would continue to influence attitudes toward pigs and pork long after the medieval period ended.
Chapter 9
Conquest and Colonization: The Pig in the New World
When Columbus returned from his first voyage in 1493, Spanish monarchs funded his second expedition with seventeen ships, 1,200 men, and supplies to establish a permanent colony. Among the European plants and animals transported were pigs, which would prove crucial to Spanish conquest of the Americas.
Columbus established his base on Espanola (now Dominican Republic), where European wheat and sheep struggled in the hot, wet climate. Pigs, however, thrived immediately. Within just two years, they were reproducing "in a superlative manner," and soon their numbers were described as infinitos, with "all the mountains swarmed with them." Spanish explorers deliberately left breeding pairs on uninhabited islands to establish food sources for future voyages.
European pigs filled an empty ecological niche in the Americas. Before Columbus, the only mammals in the Greater Antilles were humans, bats, and the hutia. Unlike Eurasia, the Americas had few animals suitable for domestication. This lack of livestock had left American societies without animal resources that contributed to European wealth and power, while also leaving native peoples vulnerable to Old World diseases.
The Caribbean islands served as advance bases for Spanish conquest, functioning as a commissariat with rapidly breeding herds of animals. Within thirty years of Columbus's arrival, Spain had assembled everything needed to conquer most of the Western Hemisphere. Spanish conquests relied on horses for intimidation and travel, dogs for attacking enemies, and pigs as a mobile food supply.
The conquistadores hailed from Extremadura, a Spanish region famous for its pig herds. The oak forests there yielded abundant sweet acorns perfect for fattening hogs. Cortes, Pizarro, and De Soto all relied heavily on pigs in their conquests, with De Soto's initial thirteen pigs multiplying to seven hundred in less than four years despite arduous journeys across North America.
Though essential to exploration and conquest, pigs' dominance in the Americas lasted less than a century. By 1600, beef had replaced pork as the colonists' main meat. Cattle and sheep bred more slowly but provided wool and hides in addition to meat, and were better suited to the hot, dry climates of much of Latin America. Spanish cattle adapted to the grassy plains of Mexico and Argentina, while sheep thrived in the Gran Chaco and highlands.
The English arrived later to empire-building, with different approaches to colonization. Rather than mining gold and killing natives, they framed their efforts as virtuous agriculture and Christian conversion. To justify seizing native lands, English colonists adopted the Roman legal principle of res nullius, claiming that land was common property until "improved" through European-style agriculture with fences and manure.
Chapter 10
America's Porcine Frontier: The Pig as Pioneer
In the New World, English colonists abandoned intensive farming methods for extensive practices due to labor shortages and abundant land. Rather than tending animals carefully as in England, they let livestock roam free in the woods. While goats ate fruit tree bark and sheep fell prey to wolves, only pigs truly thrived. Colonists imported tough, long-legged Caribbean pigs descended from Spanish forest swine rather than the fat Chinese-European hybrids popular in England.
American legal principles evolved to accommodate free-ranging livestock. Unlike in England where animal owners paid damages for crop destruction, American law required crops to be fenced in while animals could wander freely. Fences needed to be "horse high, bull strong, and pig tight"-at least four feet tall with solid bottoms. Livestock had legal right to all unfenced land, public or private.
Native Americans rejected British attempts to "civilize" them through cattle-keeping, finding cows too demanding and dairy products unsuitable due to lactose intolerance. Instead, they embraced pigs which better matched their lifestyle needs for meat and fat. Indians tracked semiferal pigs like deer, used lard in place of bear grease, and substituted pigskin for deerskin when making moccasins.
However, the relationship soon turned adversarial as colonists' livestock became weapons of displacement-pigs ravaged Indian crops, dug up stored grain, destroyed weaving materials, consumed wild food sources, and despoiled coastal shellfish beds. As Narragansett sachem Miantonomi lamented in 1641, "these English having gotten our land... their hogs spoil our clam banks, and we shall all be starved."
In March 1854, Indian superintendent Joel Palmer reported that the Calapooya tribe in Oregon's Willamette Valley faced starvation because European settlers' pigs had destroyed the marsh lily roots that were their "principal means of subsistence." This pattern repeated across America as settlers pushed westward after the Revolutionary War.
American backwoods farmers cleared more land in a century than Germanic peoples had managed in a millennium, using what geographer Terry Jordan-Bychkov called "the four essential elements of backwoods farming": corn, axes, fire, and pigs. These settlers practiced slash-and-burn agriculture, planting corn among tree stumps, supplementing their diet with hunting, fishing, and gathering wild foods-and keeping numerous pigs.
The semiwild forest pig was central to pioneer culture. Abraham Lincoln called himself "a mast-fed lawyer," and backwoods folk had countless names for their pigs: razorbacks, painters, rovers, thistle-diggers, prairie sharks, wind-splitters, rail-splitters, and more-reflecting the animals' agility and toughness. Pork dominated pioneer meals, though travelers often complained about the "villainous" cooking of "rusty salt pork" and corn bread.
Chapter 11
Corn and Pork: America's Agricultural Revolution
Around 1800, New Englander Thaddeus Harris observed two types of settlers along the Ohio River: the "intelligent, industrious, and thriving" Ohioans with neat buildings versus the "ignorant, lazy, and poor" Virginians living in "miserable cabins." This contrast revealed the transition from subsistence pioneers to ambitious farmers creating what would become the Corn Belt.
These new settlers claimed the best farmland along river valleys, and by the 1850s had formed a continuous five-hundred-mile agricultural heartland from Ohio to Iowa-one of the most productive regions the world has ever known. Corn, yielding 3-6 times more grain per acre than wheat, accelerated America's westward expansion by perhaps a century.
In nineteenth-century America, corn was transformed into more easily transportable products: pigs and whiskey. The Renick family pioneered this livestock system, moving from Virginia to Ohio's fertile Scioto Valley by 1805. Their method involved feeding cattle and pigs together in open fields with unhusked corn, eliminating the need for barns and reducing labor costs. Cattle ate the corn kernels and green roughage, while pigs followed to consume whatever the cattle missed or failed to digest.
As corn-fed agriculture replaced forest foraging, farmers needed pigs that could efficiently convert grain to meat. After 1700, English farmers began importing Chinese hogs and crossbreeding them with local types to create breeds that fattened quickly while confined. Through selective breeding-sometimes involving intense inbreeding-they developed the major "heritage" breeds by 1850.
These improved pigs had thinner bones, shorter legs, smaller heads, and crucially, longer intestines (18:1 ratio compared to wild boars' 10:1), allowing them to extract maximum nutrition from feed. American farmers imported these English breeds and created their own varieties like the Poland China, which became the dominant Corn Belt hog. Unlike their forest predecessors that took 2-3 years to reach market size, these new breeds reached slaughter weight in 18 months or less.
As intensive agriculture spread westward, the rangy forest hog disappeared-vanishing from Pennsylvania by 1800, Ohio by 1820, and Illinois by 1840. The new breeds that replaced them needed to balance fat production with mobility, as pigs had to walk to market. Before trucks and comprehensive rail networks, drovers herded hundreds or thousands of pigs along established routes, sometimes covering hundreds of miles.
This system of small-scale, decentralized pork production would eventually give way to centralized, industrialized slaughterhouses that transformed both the industry and the animals themselves.
Chapter 12
Industrial Revolution: The Disassembly Line
Cincinnati emerged as the center of America's pork industry in the early 19th century, much to the dismay of English visitor Frances Trollope. In her 1831 book, she complained that her feet "literally got entangled in pigs' tails and jawbones" while walking through the city. When she discovered a slaughterhouse being built near her cottage and inquired whether it might be prohibited as a nuisance, she was told: "That may do very well for your tyrannical country, where a rich man's nose is more thought of than a poor man's mouth; but hogs be profitable produce here."
The pork packing business required substantial capital and carried considerable risk. Packers bought hogs in fall, slaughtered them, cured the meat, and sold it in spring when rivers thawed-waiting 5-6 months for returns on their investment. In the 1820s, Cincinnati became "Porkopolis," the industry's center, benefiting from its location near corn-growing regions and access to skilled workers.
The genius of the pork industry lay in its revolutionary "disassembly line" that inspired Henry Ford's later automobile assembly line. Pigs were driven up a "Bridge of Sighs" to the top floor, chained by the leg to an overhead rail, killed, bled, scalded in near-boiling water, and scraped clean of hair. Workers then attached a gambrel to spread the rear legs and hung the carcass on "the railroad"-an overhead track that moved pigs through a series of stations where workers had just 12 seconds each to perform specialized tasks.
Packers truly did "use everything about the hog except the squeal." They preferred corn-fed pigs weighing about 200 pounds, which produced firmer, more shelf-stable fat than acorn-fed hogs. Most meat was preserved as "barreled pork"-brined in salt, sugar, and saltpeter-with quality grades from "clear pork" (for New England fishermen) down to "prime" (for slaves).
Every part found a market: hams commanded premium prices; feet and tongues were pickled; heads became headcheese; organs and trimmings became sausage; and fat was rendered into lard-America's primary cooking fat until the mid-20th century. Even by-products found uses: bristles for brushes, blood for dyes and pharmaceuticals, bones for buttons and gelatin, hooves for glue.
Americans were prodigious meat consumers, eating far more than Europeans-about 170 pounds per capita annually between 1900-1909, compared to 120 pounds in Britain and just 81 in France. Though Americans saw themselves as beef eaters, pork actually dominated consumption until the 1950s. As one physician wrote in 1860, the United States might properly be called "the great Hog-eating Confederacy, or the Republic of Porkdom."
Chapter 13
The Modern Transformation: From Farm to Factory
In 1986, facing declining sales, the National Pork Producers Council unveiled a revolutionary marketing campaign: "Pork-the Other White Meat." Initially shocking to producers who had always considered pork a red meat competing with beef, the campaign repositioned pork as an alternative to chicken during a time when Americans feared fat and red meat's links to heart disease. With ice skater Peggy Fleming as spokeswoman and a $9 million advertising budget, the campaign became one of the most successful rebranding efforts in food industry history.
But this wasn't merely marketing-it represented the culmination of a transformation in American pig farming that had created an entirely new animal. The Corn Belt historically produced "lard-type" hogs with thick back fat, unlike leaner "bacon-type" hogs raised elsewhere. American farmers favored fatty pigs because lard was valuable as an industrial lubricant and cooking fat. But as petroleum products replaced animal lubricants and health concerns about animal fats grew, lard demand plummeted.
As America's pigs changed, so did their farming methods. Pre-WWII pigs roamed pastures, eating diverse feeds and fattening on corn in fall. Most farmers practiced mixed agriculture for security. By the 1950s, pigs began eating corn-soy diets supplemented with antibiotics, which researchers discovered promoted growth. The FDA approved antibiotics as feed supplements with little scrutiny, and usage skyrocketed from 1.2 million pounds in the 1960s to 25 million pounds by the late 1990s.
By the 1980s, modern pig production meant animals never touched soil. They lived in standardized metal buildings with slatted concrete floors and no bedding. Waste fell through to gutters below, flowing to manure lagoons. Windowless barns used automated ventilation systems and minimal lighting. Breeding became tightly controlled, with three-quarters of sows impregnated through artificial insemination by 2000.
Scientists truly created "the other white meat"-factory-farmed pork contained myoglobin levels closer to chicken than beef because confined pigs rarely exercised their muscles. Despite marketing efforts, pork consumption remained flat while chicken consumption continued climbing. In the rush to create lean pigs, flavor was sacrificed. Industry experts acknowledged their breeding schemes created fast-growing, efficient pigs that lacked "the superior meat and eating quality consumers prefer."
A veterinarian visiting a confinement facility around 1990 discovered a pregnant sow with a broken leg who would be left to suffer for a week until giving birth, after which she would be shot. When he offered to splint her leg for free, the manager refused, explaining that with 5,000 sows and just three employees, they lacked the manpower to care for her. The vet concluded that "if it is not feasible to do this in a confinement operation, then there is something wrong with confinement operations."
Chapter 14
Full Circle: The Return to Humane Farming
As society grows increasingly concerned about animal welfare, some farmers are reconsidering the ethics of industrial pig farming. Colorado State ethicist Bernard Rollin witnessed this firsthand when a hog farmer pledged to tear down his confinement barn after Rollin's speech about animal ethics. This sentiment inspired Chipotle's animated film "Back to the Start," showing a farmer returning to traditional methods.
Global meat consumption is rising dramatically, especially in developing countries where it doubled between the 1960s and 2000. China and Brazil lead this growth, with meat production in developing nations increasing 300% between 1980 and 2004. China's pork demand is particularly significant, leading to its maintenance of a strategic pork reserve and the $5 billion purchase of Smithfield Foods by Chinese producer Shuanghui International in 2013.
As China rapidly transforms its pork production from small farms to industrial operations, Western scientists are rediscovering pigs' natural behaviors. In the late 1970s, researchers Stolba and Wood-Gush created a "pig park" in Scotland where they observed commercial pigs reverting to behaviors nearly identical to wild boars. The pigs spent 6-8 hours daily rooting and foraging, formed complex social bonds, built communal nests, maintained hygiene by defecating away from sleeping areas, and displayed strong maternal instincts.
The animal welfare movement gained momentum after Ruth Harrison's 1964 book "Animal Machines" prompted Britain's Brambell Commission to establish the "five freedoms" for livestock. The EU later issued mandatory standards requiring larger solid flooring areas, narrower slats to prevent foot injuries, materials for rooting, and most significantly, a ban on gestation crates in favor of group housing.
Paul Willis, who created Niman Ranch's pork operation, rejected confinement farming after returning to his family farm in Iowa. In the mid-1990s, he partnered with Bill Niman to sell premium pork from pigs raised outdoors or in deeply bedded pens where they could express natural behaviors. His network grew to hundreds of farms, offering an alternative for farmers during the historic price lows of 1998-1999.
Despite growing popularity, "niche meat" remains a tiny segment of the market. Even if production has quadrupled in the past decade, alternative pork would account for just 3 percent of American pork sales. The primary obstacle is price-modified welfare systems increase costs by at least 30 percent, while fully pastured heritage breeds cost even more. As Chuck Talbott of Woodlands Pork explains: "You've got the rich farmers feeding the poor families, and the poor farmers feeding the rich families."
Despite centuries of changing production methods, attitudes toward pork remain remarkably consistent. A 2013 study found only 64 percent of Americans eat pork weekly (compared to 92 percent for beef), with pork ranking behind beef, chicken and fish as a protein choice. The demographic patterns mirror ancient times: rural dwellers, southerners and the poor eat more pork than urbanites, northerners and the wealthy-just as in the 1950s and even 3,000 years ago when ruling classes avoided pork.
Today, however, a new reason for pork avoidance has emerged: growing awareness of pig intelligence contrasted with their brutal treatment in industrial farming. Modern critics have created a new language of pig disgust-not about the animals' natural behaviors but about how humans treat them. Meanwhile, a growing movement of small farmers and chefs are reviving heritage breeds like Berkshire, Tamworth, Mangalitsa and Ossabaw, raising them on pasture or in deeply bedded barns. These "new pig lovers" reject industrial pork while embracing traditional farming methods that have worked for thousands of years.
