Making seasonal soaps and lotions from goat milk is not exactly what Erika Mahlbacher, owner of Elderberry Hollow, set out to do. When she moved to Oldham County a few years ago, she followed her extended family’s tradition of livestock farming, although she had never done it herself. She decided to go small and raise Nigerian dwarf goats. “We chose Nigerians because they’re smaller and, having not worked with livestock directly, I didn’t want t…