The biggest Arizona mistake is solving fencing first while underbuilding late-day shade, backup water, and monsoon runoff control.
Why it matters: that one weak spot usually becomes the daily problem once local pressure builds around extreme heat, sunburn risk, dry lots, and monsoon mud.
Practical fix: Test the pen at the hottest part of the afternoon and after a hard storm before piglets arrive; shade, water, unloading, quarantine, and dry-lot footing should already work. Walk the route from trailer unload to quarantine, water, shelter, and feeding area during the least convenient weather before pigs arrive.
Regional stress test: Low desert: Phoenix, Tucson, Yuma, and similar valleys: Use deep late-day shade, multiple shaded water points, firm dry-lot footing, and heat-safe handling routines. High desert and plateau: Prescott, Kingman, and northern ranch parcels: Plan windbreaks, dry bedding, hay or measured feed support, and troughs that can be checked reliably.