Because the salmon live in such close quarters, they are sometimes fed antibiotics to quell disease outbreaks. The industry insists that such feedings are rare and that the drugs are flushed from the system to meet U.S. standards before they send the fish to market.
A recent Pew Foundation study confirmed that farmed salmon from Chile is healthier than farmed salmon from the North Atlantic or North Pacific, largely because the food the fish eat comes from waters that are so pure.
To make his point, Infante digs into a bag of fish meal and starts eating the pellets.
"It's a healthy food," he says with a smile.
He offers me a taste. I try it. The salmon may like it, but I don't.
Around us silvery salmon are flying through the air splashing as they land.
The oceans simply can't produce enough wild fish to satisfy the world's appetite in the 21st century. And so in a global economy that knows no borders, a fish from the far north has found new life here in the far south.