Cows, uses and issues
Domestication of animals is one of the features of human civilization, when our ancestors started to settle, and abandoned nomadism. They learn how to breed animals and plants, to have secure sources of food, this practices replaced in many centuries the practice of hunt and gathering. Cows were the first animals to be domesticated, together with pigs, sheep and goats. Cows were domesticated in the dawn of civilization, 10.500 years ago, in the Fertile Crescent, and in the next millennia they were introduced in Europa, Africa and east Asia, becoming an important source of meat, dairy and leather. They also were used as currency, to exchanges goods, pay taxes and ad a fixed price in the first civilization, before metal currency became popular. My reason to choose this animal is because in my native country, Argentina, cows are important in our economy and our beef has a high reputation. In most parts of my country, cows are grass-fed, and that contributes to its quality. Sustainable or...