There wasn’t any when I was farming in the Northeast—and now it’s the norm. “Migrant” labor has allowed farms to pay only dirt-cheap wages and not consider working conditions or the attractiveness of their jobs much at all. Thus, the automation was able to replace a full-time and part-time worker that combined—including payroll taxes and benefits—were only costing the farmers $60K a year. Like all illegal-infested industry sectors, the cheap labor has led to stalled capital investments, low wages, and relatively poor working conditions.
US dairy farming used to be the most technologically advanced in the world, but the abundance of illegal aliens has destroyed our technology advantage. In the Low Countries of Europe, they are almost entirely robotic.
Better buy your robotic milking systems now before Trump makes them really expensive...