The Schroeders head west to round up and perform pregnancy checks on close to 600 cows, treating one for a possible snake bite. At the clinic, Dr. Erin removes a messy mass from a beagle’s hind leg and performs an emergency C-section on a chihuahua with a gigantic baby inside. Dr. Ben helps a baby boa constrictor shed some skin and brings relief to a bull calf covered in sand burs.