I've heard they're as painful as birth too. Have you heard of the apple juice remedy? I googled it once for my cousin and a bunch of different things came up. I think there's more than one version. You might find some useful info. Anyway as a kid I remember my Mom reading to me from some...
I use apple cider vinegar on ours. Its stings a bit but really helps with the itch. I recently covered the yard with Mosquito Beater and haven't seen a mosquito outside since! It's all natural and made from essential oils. You could probably make a homemade version of it too.
I would defitely ask about it. I've gotten raw milk from 2 different farms locally, the first place was wonderful and the second place had horrible hygiene. I didn't realize how dirty they were until winter came and the farmstand closed down and it was self serve inside the barn. The fridge...