Porto Velho is one of the biggest cities in the Brazilian Amazon but it still feels like a small town. There is little traffic in the urban center located in the heart of Rondônia state. Trade is still modest and the population is growing slowly. In a decade, it has increased from 428,000 to 530,000 inhabitants.
The cattle population, however, is growing much quicker. A decade ago, the human and bovine populations in Porto Velho were similar. Today, there are two heads of cattle for each human.
This same trend is repeated in the other states that encompass the...