Animal proteins and the environment, a dangerous combination

Red meat

If there is a nutrient that is attributed to the muscles, it is certainly the proteins. Indeed, it is a major constituent of muscle tissue, whose contributions deserve to be optimized daily when the individual is interested in sports, when they want to lose weight, or simply take care of health. Weight loss and frequent practice of a activity Physics in effect they engender an increase in theoretical needs.

This reasoning is physiological and is the subject of the main recommendations values of. But if we take a somewhat more global look at the role of food, in a collective dimension, the situation is not so simple. Indeed, seeing the demographic evolution and the current trend of the world population to increase their contributions in animal protein, finally begins to create a problem.

While projections they lead us to more than 9,6 billion inhabitants on the planet by 2050, the maintenance of this type of consumption in animal proteins is indeed an ecological problem. On a humanitarian scale, revise the consumption of proteins animals is indispensable. Livestock production monopolizes 70% of arable land, and 40% of the cereals grown worldwide are used to feed the livestock that move these lands.

This is one of the essential points to guarantee this growing demand for proteins animals. It is essential to increase cereal production to the detriment of soil fertility and respect for the ecosystem. In summary, while more than 840 million people suffer from hunger in the world, and 2000 billion lacks values of, the current system prioritizes a weak energy yield to respond to the increasing needs of animal proteins to the detriment of global solutions, both nutritional, environmental and economic.

Indeed, depending on the species, the coste energetic of the estimated animal calorie is approximately 3 to 9 vegetable calories. If we take the example of a beef raised industrially for three years to provide 200 kilos of meat, this ox will consume 1300 kg of grain and 7200 kg of forage. On average, 7 kilos of cereals are necessary to produce a kilo of meat in intensive livestock farming. Who says cultivation, also says water consumption.

La footprint water It is a virtual unit of measurement, which allows to quantify the water necessary for the production of a food in all the stages, direct and indirect. Between 1996 and 2005, the water imprint of humanity was enormous, 92% of this was destined for the farming and cattle raising. According to a report published in 2010 by UNESCO's HIE, the production of one kilo of beef requires 15.000 liters of water.


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