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New statistics on the number of slaughtered pigs in Spain have stirred fears in the country's media that the animals may soon outnumber the human population and end up hogging local resources.

The Ministry of Environment released figures this week saying that Spain had slaughtered some 50m pigs last year - 3.5m more than the country's 46.5m population.

This has led to local papers voicing their concern that Spain's pig population had managed to surpass its human population. However, according to Euronews, there are , with many piglets being slaughtered shortly after they are born.

It is, however, becoming a wider concern throughout the European Union that the rapid growth of pig farming may lead to there being more porkers than people.

Strain on local resources

Currently, the only European Union country with more pigs than people is Denmark, with Eurostat figures from 2016 putting its pig-to-human population at 215 pigs for every 100 people. Denmark's human population is 5.7m, meaning that there are approximately 12.3m pigs.

However, The Netherlands, Spain and Belgium all have large pig populations that are rapidly catching up with human population figures.

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Concerns are perhaps greatest for Spain, given that with some 30 million pigs, it has the largest pig population of any European Union country.

According to , Spain has seen a surge of pig farming over the last five years to meet a growing demand to export pork products such as Iberico ham and Jamon Serrano to large pork-eating countries, including China, Japan and Southeast Asia.

But the domestic expansion of pig farming is putting a strain on the country's environmental resources.

Many areas of Spain suffer from heavy drought, and each animal requires some 15 litres (3.3 gallons) of water a day. NGO Ecologists in Action also warns that the animals risk contaminating what little groundwater is left with animal waste nitrates.

And as the Ministry of Ecological Transition highlights, the animals are also responsible for a large number of greenhouse gas emissions.

The ministry says that currently in Spain, they are responsible for 10% of all greenhouse gas emissions in the country, and are the fourth largest producer after electricity, industry and transport.

Reporting by Kerry Allen

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