Hi, I'm a first-time pig owner too, and I think my pigs have sunburn. I have four Large Whites (two 3.5-month old boys, 1 5-month old girl & 1 5-month old boy) and one 5-month old Saddleback (black & white).
We brought the young boys home first - they are brothers and came from internal housing. They had clear skin when we brought them home but quickly turned pink in our outdoor pen. The older boy & girl came from an outdoor arrangement, but the Whites still pinked. The Saddleback doesn't appear affected at all.
Granted, it's been sunnier & warmer (for longer) than ever here in Donegal, but we have shelter & wallows which are always available to each pig. Problem is that all the pigs *choose* to lay out in the sun.
I'm writing now b/c we've been wondering if what our pigs has is really sunburn, or could it be mange/mites? Their skin is flaky (especially on the back/flank) & they itch a lot, but they don't appear to have the red pimples or buildup in the ears which seems to point to mange. I can't find any close up or clear shots of either condition online & I'm wondering if anyone would have a better idea? The fact that the Saddleback doesn't appear affected makes me think it's sunburn, but we'd like to be sure...any ideas?