They don't alter the environment to get more beef per animal. It's the animals themselves that are altered or selected in order to produce more beef at slaughter. The environment really has little to do with the rate of gain and carcass weight of a slaughter steer or heifer.
th try to build houses brides and lots of stadiums
The majority of cattle in Argentina can be found in an area of the Pampas called the Humid Pampa, which have very fertile fields.
A "head" of cattle is just another way of saying herd of cattle. Instead of saying I have 100 herd of cattle, you would say I have 100 head of cattle (this way you are specifying the exact number of cows you have in your herd)
Argentina is one, but what is some others, like big ones? Well, India is ranked number one in the Cattle production. Source-http://www.spectrumcommodities.com/education/commodity/statistics/cattle.HTML
The demand for cattle increased in the 1800's because most of the cattle had been slaughtered and eaten during the Civil War, creating a massive shortage for beef. Because more people wanted beef, so the demand increased.
They raise cattle or beef cattle
potatoes
The majority of cattle in Argentina can be found in an area of the Pampas called the Humid Pampa, which have very fertile fields.
Beef cattle
Gauchos
Cattle-grazing takes place under the watchful eye of the gauchos on the Pampas of Argentina.
Cattle and Sheep (traditionally)
In the short-term, because of the activity of grazing, the amount of grass decreases. When these cattle are removed, forage biomass will increase back to normal pre-grazing levels, or may increase because of the manure and trampling activity that encourages regrowth of vegetation.
pampas
pampas
cattle, wine, tango
Argentina has traditionally been a cattle ranching country; they have the resource of land that is suitable for ranching.
In terms of quantity, Texas only has a population of cattle numbering around 16 million, whereas Argentina has over 52 million cattle. In terms of quality, Argentina is regarded as one of the best cattle-producing countries in the world, next to others like Brazil, Uruguay, Australia, New Zealand and the United States.