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Pigs · room 6 of 6 · A debate

Reality?

Harari's question: a triumph for the species, a misery for the animal? The evidence on pig minds, the law, and the other side.

The wild boarBecoming domesticPigs in EuropePigs in SpainPigs in the AmericasReality?
The argument

A triumph for the species, a misery for the animal?

biologyeconomics

Claim: the historian Yuval Noah Harari argues that domestication was an evolutionary success for pigs but a disaster for most individual pigs. Evidence: in Sapiens (the chapter "History's Biggest Fraud") and in Homo Deus he points out that domestic pigs number in the hundreds of millions, while many sows spend much of their lives in crates and piglets are taken from their mothers within weeks.

Ask: should we judge a species by its numbers or by the lives of its members?

Sources: Yuval Noah Harari, Sapiens (2014), chapter 5; Homo Deus (2016), chapter 2; Health Partners (Singapore), review of Homo Deus; Animal Allies (Singapore), "Reading While Vegan: Review of Sapiens" (2019)
Illustration: Urbanicity house studio (SI-generated)
Animal behavior

How smart is a pig?

biology

Pigs learn mazes, recognize individual people and other pigs, and can be trained to use simple joysticks in experiments. Their intelligence is one reason pig welfare is debated, from gestation crates to open pasture.

A good opening for a class discussion on how we treat farm animals.

Sources: Marino and Colvin, "Thinking Pigs," International Journal of Comparative Psychology 28 (2015)
Illustration: Urbanicity house studio (SI-generated)
The evidence

What can a pig understand?

biology

Claim: pigs have rich mental and social lives. Evidence: in a 2009 experiment, pigs used a mirror to find hidden food after only a few hours with it (Broom, Sena and Moynihan); a 2015 review by Marino and Colvin found evidence of long memory, social learning, and emotions that spread from one pig to another.

Ask: should an animal's intelligence change how we treat it, or only its ability to suffer?

Sources: Broom, Sena and Moynihan, "Pigs learn what a mirror image represents and use it to obtain information," Animal Behaviour 78 (2009); Marino and Colvin, "Thinking Pigs" (2015)
Illustration: Urbanicity house studio (SI-generated)
2013 to now

Crates and the law

economicstrade & commercialization

Claim: governments have started to limit how sows are confined. Evidence: since 2013 the European Union has required pregnant sows to be kept in groups for most of their pregnancy (Directive 2008/120/EC). In the United States, California's Proposition 12 (2018) set space rules for breeding pigs; the Supreme Court let it stand in National Pork Producers Council v. Ross (May 11, 2023). A 2026 federal farm bill proposal would override it; its fate was still open at the time of writing.

Ask: should one state be able to set rules for pork raised in other states?

Sources: Council Directive 2008/120/EC (minimum standards for the protection of pigs), EUR-Lex; National Pork Producers Council v. Ross (2023), Wikipedia as a starting point; Spectrum News, "Farm bill proposes legislation to overrule California's Prop 12" (Feb 17, 2026)
Illustration: Urbanicity house studio (SI-generated)
The counter-arguments

The other side: food, farms and moral status

economicstrade & commercialization

Claim: many farmers, economists and philosophers push back. Evidence: producers say individual stalls stop sows from fighting and keep labor and costs down, while farrowing crates protect piglets from being crushed; economists note that space rules raise pork prices, which weighs most on low-income families; and philosophers disagree about moral status, from Peter Singer's equal consideration of interests (Animal Liberation, 1975) to Roger Scruton's view that animals deserve care but not the rights of persons (Animal Rights and Wrongs, 1996).

Ask: list one cost and one benefit of stricter welfare rules for each group: pigs, farmers, families who buy pork.

Sources: Iowa State University, Center for Agricultural Law and Taxation, "What's Next for Proposition 12?"; Peter Singer, Animal Liberation (1975); Roger Scruton, Animal Rights and Wrongs (1996)
Illustration: Urbanicity house studio (SI-generated)
A class debate

Weigh it yourself

economicsbiology

Claim: there is no settled answer, so build your own. Evidence: a Guardian reviewer of Homo Deus wrote that "pigs unquestionably suffer when living in cramped conditions," and warned that dismissing it could one day be turned on us. Set that beside the farmers' and economists' arguments on the previous card.

Ask: take one side in writing, then switch and argue the other. Which argument was harder to answer?

Sources: The Guardian, review of Homo Deus (Aug 24, 2016); Health Partners (Singapore), review of Homo Deus
Illustration: Urbanicity house studio (SI-generated)
Watch and look

Short films

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Picture gallery

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Basile Morin · Wikimedia Commons · CC BY-SA 4.0
kallerna · Wikimedia Commons · CC BY-SA 4.0
kallerna · Wikimedia Commons · CC BY-SA 4.0
kallerna · Wikimedia Commons · CC BY-SA 4.0
Trougnouf (Benoit Brummer) · Wikimedia Commons · CC BY 4.0
Jakub Hałun · Wikimedia Commons · CC BY-SA 4.0
Myrabella · Wikimedia Commons · CC BY-SA 3.0
Jörg Hempel · Wikimedia Commons · CC BY-SA 2.0 de
Sumitsurai · Wikimedia Commons · CC BY-SA 4.0
Sumitsurai · Wikimedia Commons · CC BY-SA 4.0
Sumitsurai · Wikimedia Commons · CC BY-SA 4.0
L. Leslie Brooke · Wikimedia Commons · Public domain
George Morland · Wikimedia Commons · Public domain
Martin Dawes · Wikimedia Commons · CC BY-SA 2.0
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