Meat and Animal Feed

Over the past 50 years, global meat production has almost quadrupled from 84 million tons in 1965 to more than 330 million tons in 2017. The IAASTD predicts that this trend will continue, especially because the growing urban middle classes in China and other emerging economies will adapt to the so-called western diet of people in North America and Europe with its taste for burgers and steaks."The increase in consumption of animal products is, next to population growth, one of the major causes of the in­crease of global fertilizer use. World meat consumption (and production) is expected to grow by 70% in the period 2000-2030 and 120% in the period 2000-2050. The production and consumption of pig and poultry meat is expected to grow at a much higher speed than of bovine and ovine meat. Over the last years there has been a major expansion in large scale, vertically integrated industrial live­stock systems, and this development is expected to continue over the coming decades. These systems can lead to concentration of manure; although manure is a valuable source of nutrients, concentrated spreading of ma­nure leads to significant emissions, to air, soil and water." (Global, p. 281)
On average, every person on Earth currently consumes 43.5 kilograms of meat per year. This figure includes babies and adults, meat eaters and vegetarians alike. In 2013, US citizens consumed 115 kilograms of meat and people in the UK 81 kilograms, while citizens in India only ate 3.7 kilos. In general, men eat more meat than women. In the EU, meat consumption has stagnated recently, with a growing number of people switching to vegetarian and vegan diets. Moreover, beef has lost in popularity while the consumption of chicken has increased remarkably. The favourite meat of Europeans is pork. The Chinese also share this appetite for pork. Since 1965, per capita meat consumption in China has increased six-fold. Since the population almost doubled to 1.4 billion people over the same period, global demand for meat and animal feed has exploded.

Plate or feed trough?

The production of meat, milk and eggs leads to an enormous loss of calories grown in fields, since cereals and oil seeds have to be cultivated to feed to animals. According to calculations of the United Nations Environment Programme, the calories that are lost by feeding cereals to animals, instead of using them directly as human food, could theoretically feed an extra 3.5 billion people. Feed conversion rates from plant-based calories into animal-based calories vary; in the ideal case it takes two kilograms of grain to produce one kilo of chicken, four kilos for one kilogram of pork and seven kilos for one kilogram of beef.
By their nature, cattle and sheep eat grass. More than two thirds of the global agricultural area is used for permanent meadows and pastures. If livestock eat grass and other plants that are not suitable for direct human consumption, they do not compete for cereals but increase food supply and add significantly to agricultural production. They produce manure, contribute to soil cultivation, serve as draught and pack animals, recycle waste and stabilise the food security of their owners."Worldwide, livestock have traditionally been part of farming systems for millennia. Integrated systems provide synergy between crops and livestock, with animals producing manure for use as fertilizer and improvement of soil structure (as well as a source of fuel), while crop by-products are a useful source of animal and fish food.“ (Global, p. 176)

Large parts of the grasslands used today, especially in arid regions, are not suitable for any other agricultural use except extensive grassland management. However, it is no longer possible to substantially increase its production capacity. In some areas of the world, overexploitation of grasslands, also through traditional livestock husbandry, has become a serious problem. In addition, chickens, pigs and other small animals, which are traditionally kept to make use of waste and other by-products, eat worms or acorns, can complement food production and optimise the use of resources. >>more

Facts & Figures

In 2017, around 330 million tons of meat were produced worldwide. For 2018, the FAO forecasts an increase to 335 million tons. If a global average is taken, meat consumption amounted to 43.5 kilograms of meat per person in 2017.

Between 2000 and 2014, the global production of meat rose by 39% and milk production increased by 38%. The FAO estimates that by 2030, meat production will increase another 19% compared to the period 2015-2017, with developing countries accounting for almost all of the total increase. Milk production is projected to grow by 33% in the same period.

There are billions of farm animals worldwide. In 2016, the cattle population reached 1,474 million animals, up 44% from 1966. The number of chickens grown for human consumption increased from 4.4 billion to 22.7 billion between 1966 and 2016. During the same period, the pig population grew by 92% to reach 981 million heads.

One in eight Brits – or almost 13% of the population – is now vegetarian or vegan, with a further 21% identifying as ‘flexitarian’, according to new research by supermarket chain Waitrose. This means that a third now has meat-free or meat-reduced diets. 60% of vegans and 40% of vegetarians have adopted the lifestyle over the past five years, mostly due to animal welfare and health concerns.

Livestock is the world’s largest user of land resources, with pasture and arable land dedicated to the production of feed representing almost 80% of the total agricultural land. One-third of global arable land is used to grow feed, while 26% of the Earth’s ice-free terrestrial surface is used for grazing.

Greenhouse gas emissions associated with livestock supply chains add up to 7.1 gigatons of carbon dioxide equivalent (CO2-eq) per year – or 14.5% of anthropogenic CO2 emissions. Emissions are caused by feed production, enteric fermentation, animal waste and land use change. Cattle (beef, milk) are responsible for about two-thirds of that total, largely due to methane emissions.

Research shows that the five largest meat and dairy corporations combined (JBS, Tyson, Cargill, Dairy Farmers of America and Fonterra) are responsible for annual greenhouse gas emissions of an estimated 578.3 Mt – more than major oil companies such as ExxonMobil (577 Mt), Shell (508 Mt) or BP (448 Mt). The combined emissions of the top 20 meat and dairy companies (933 Mt) even surpass the emissions from entire nations, such as Germany (902 Mt), Canada (722 Mt) or the UK (507 Mt).

Nearly 60% of the world’s agricultural land is used for beef production, yet beef accounts for less than 2% of the calories that are consumed throughout the world. Beef makes up 24% of the world's meat consumption, yet requires 30 million square kilometres of land to produce. In contrast, poultry accounts for 34% of global meat consumption and pork accounts for 40%. Poultry and pork production each use less than two million square kilometres of land.

A 2,000 kcal high meat diet produces 2.5 times as many greenhouse gas emissions as a vegan diet, and twice as many as a vegetarian diet. Moving from a high meat to a low meat diet would reduce a person's carbon footprint by 920kg CO2e every year - equivalent to a return flight from London to New York. Moving from a high meat diet to a vegetarian diet would save 1,230kg CO2e per year.

The production of one kilogram of beef requires 15,414 litres of water on average. The water footprint of meat from sheep and goat (8,763 litres) is larger than that of pork (5,988 litres) or chicken (4,325 litres). The production of one kilogram of vegetables, on the contrary, requires 322 litres of water.

Institutions

  • FAO Animal Production and Health Division Information on meat production & consumption
  • FAOSTAT Statistics on meat supply - disaggregated by regions and countries
  • OECD Database Historical and projected figures for meat production
  • ILRI International Livestock Research Institute, member of the CGIAR research centres
  • USDA United States Department of Agriculture - Reports and statistics on animal production in the U.S.

Civil Society

  • Farmageddon is a campaign to kick-start a food and farming revolution
  • The Pig Pledge is a movement to only eat meat from real farms, not animal factories
  • PETA animal rights NGO, information on factory farming, vegetarian recipes
  • Food & Water Watch works to ensure the food, water and fish we consume is safe, accessible and sustainably produced
  • Soil Association on animal welfare
  • WSPA World Society for the Protection of Animals exists to tackle animal cruelty across the globe
  • Worldwatch Institute news on seafood and meat consumption
  • The Meatrix offers information on factory farming, alternatives to conventionally-raised meat and humorous films about the problems with factory farming

Literature

Video: Meat and Animal Feed

Click on the image to watch the video

Pig Business explores the rise of factory pig farming

Soy Story: the destruction of land and lives in Argentina

Graphics

  • Dietary changesDietary changes
  • UNEP Food Chain LossesUNEP Food Chain Losses
  • UNEP Global Trends ProductionUNEP Global Trends Production

Where the world's pigs live

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Donors

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