It sounds like you have both skills and ambition, so you should be able to find other work. Local job markets can vary a lot, especially when a large local employer has a big lay-off. It helps if you are prepared to travel or re-locate.
The dairy's managers was probably aware this could be coming, what are the dairy's plans? Are they running in place for the short term while looking for new markets, are they adding trucks to haul raw milk to a more distant buyer, are they looking at processing their own milk, are they looking to switch to beef cattle and grain production, are they feeding out the herd for slaughter or are they selling out to a larger dairy that has milk contracts?