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Let Them Eat Meat - But Farm It Properly

The ethical case against eating animal produce once seemed clear. But a new book is an abattoir for dodgy arguments

This will not be an easy column to write. I am about to put down
1,200 words in support of a book that starts by attacking me and often
returns to this sport. But it has persuaded me that I was wrong. More to
the point, it has opened my eyes to some fascinating complexities in
what seemed to be a black and white case.

In the Guardian in 2002 I
discussed the sharp rise in the number of the world's livestock, and
the connection between their consumption of grain and human
malnutrition. After reviewing the figures, I concluded that veganism
"is the only ethical response to what is arguably the world's most
urgent social justice issue". I still believe that the diversion of ever
wider tracts of arable land from feeding people to feeding livestock is
iniquitous and grotesque. So does the book I'm about to discuss. I no
longer believe that the only ethical response is to stop eating meat.

In Meat: A Benign Extravagance,
Simon Fairlie pays handsome tribute to vegans for opening up the
debate. He then subjects their case to the first treatment I've read
that is both objective and forensic. His book is an abattoir for
misleading claims and dodgy figures, on both sides of the argument.

There's
no doubt that the livestock system has gone horribly wrong. Fairlie
describes the feedlot beef industry (in which animals are kept in pens)
in the US as "one of the biggest ecological cock-ups in modern history".
It pumps grain and forage from irrigated pastures into the farm animal
species least able to process them efficiently, to produce beef fatty
enough for hamburger production. Cattle are excellent converters of
grass but terrible converters of concentrated feed. The feed would have
been much better used to make pork.

Pigs, in the meantime, have
been forbidden in many parts of the rich world from doing what they do
best: converting waste into meat. Until the early 1990s, only 33% of
compound pig feed in the UK consisted of grains fit for human
consumption: the rest was made up of crop residues and food waste. Since
then the proportion of sound grain in pig feed has doubled. There are
several reasons: the rules set by supermarkets; the domination of the
feed industry by large corporations, which can't handle waste from many
different sources; but most important the panicked over-reaction to the BSE and foot-and-mouth crises.

Feeding
meat and bone meal to cows was insane. Feeding it to pigs, whose
natural diet incorporates a fair bit of meat, makes sense, as long as it
is rendered properly. The same goes for swill. Giving sterilised scraps
to pigs solves two problems at once: waste disposal and the diversion
of grain. Instead we now dump or incinerate millions of tonnes of
possible pig food and replace it with soya whose production trashes the
Amazon. Waste food in the UK, Fairlie calculates, could make 800,000
tonnes of pork, or one sixth of our total meat consumption.

But
these idiocies, Fairlie shows, are not arguments against all meat
eating, but arguments against the current farming model. He demonstrates
that we've been using the wrong comparison to judge the efficiency of
meat production. Instead of citing a simple conversion rate of feed into
meat, we should be comparing the amount of land required to grow meat
with the land needed to grow plant products of the same nutritional
value to humans. The results are radically different.

If pigs are fed on residues and waste, and cattle on straw, stovers
and grass from fallows and rangelands - food for which humans don't
compete - meat becomes a very efficient means of food production. Even
though it is tilted by the profligate use of grain in rich countries,
the global average conversion ratio of useful plant food to useful meat
is not the 5:1 or 10:1 cited by almost everyone, but less than 2:1. If
we stopped feeding edible grain to animals, we could still produce
around half the current global meat supply with no loss to human
nutrition: in fact it's a significant net gain.

It's the second
half - the stuffing of animals with grain to boost meat and milk
consumption, mostly in the rich world - which reduces the total food
supply. Cut this portion out and you would create an increase in
available food which could support 1.3 billion people. Fairlie argues we
could afford to use a small amount of grain for feeding livestock,
allowing animals to mop up grain surpluses in good years and
slaughtering them in lean ones. This would allow us to consume a bit
more than half the world's current volume of animal products, which
means a good deal less than in the average western diet.

He goes
on to butcher a herd of sacred cows. Like many greens I have
thoughtlessly repeated the claim that it requires 100,000 litres of
water to produce every kilogram of beef. Fairlie shows that this figure
is wrong by around three orders of magnitude. It arose from the absurd
assumption that every drop of water that falls on a pasture disappears
into the animals that graze it, never to re-emerge. A ridiculous amount
of fossil water is used to feed cattle on irrigated crops in California,
but this is a stark exception.

Similarly daft assumptions
underlie the UN Food and Agriculture Organisation's famous claim that
livestock are responsible for 18% of the world's greenhouse gas
emissions, a higher proportion than transport. Fairlie shows that it
made a number of basic mistakes. It attributes all deforestation that
culminates in cattle ranching in the Amazon to cattle: in reality it is
mostly driven by land speculation and logging. It muddles up one-off
emissions from deforestation with ongoing pollution. It makes similar
boobs in its nitrous oxide and methane accounts, confusing gross and net
production. (Conversely, the organisation greatly underestimates fossil
fuel consumption by intensive farming: its report seems to have been
informed by a powerful bias against extensive livestock keeping.)

Overall,
Fairlie estimates that farmed animals produce about 10% of the world's
emissions: still too much, but a good deal less than transport. He also
shows that many vegetable oils have a bigger footprint than animal fats,
and reminds us that even vegan farming necessitates the large-scale
killing or ecological exclusion of animals: in this case pests. On the
other hand, he slaughters the claims made by some livestock farmers
about the soil carbon they can lock away.

The meat-producing
system Fairlie advocates differs sharply from the one now practised in
the rich world: low energy, low waste, just, diverse, small-scale. But
if we were to adopt it, we could eat meat, milk and eggs (albeit much
less) with a clean conscience. By keeping out of the debate over how
livestock should be kept, those of us who have advocated veganism have
allowed the champions of cruel, destructive, famine-inducing meat
farming to prevail. It's time we got stuck in.

© 2023 The Guardian