Students from Fun in the Sun preschool in Fredericksburg last week took a field trip to help them understand more about agriculture.

Just a few days before, they were in the classroom learning about pigs and making pigs in a blanket as a snack with their teacher, Janiece Kramer. But Tuesday, they filed off the school bus and onto Lavonne and Ed Suhr’s dairy farm near Fredericksburg to see real animals and learn more about the farm.

The Suhrs were both raised on dairy...