Dogs and pigs are dirty ,but poking goats, camels and little children are OK.
I suppose it gets tedious, living in the desert. Kind of like the outback, where men are men and sheep are nervous.:-) It is kind of weird, though. While relations with pre-pubescents (and puberty was equated with adulthood) are well within the biblical (and thus Koranic) tradition, bestiality is a big time no-no, punishable by death.