It is Bubbie, as in buh-bee, not boobie ever. It is a yiddish word that means grandmother. For those who don't know, yiddish is a pigeon language that was for hundreds of years, spoken by the Jews of europe. I know this because I had a Bubbie. And she would not have taken kindly to being called boobie one bit! And she was not the kind of lady one would want to anger. Oh, and she served me lots and lots of pickles! Wow, something in here that I am an expert on! :)

I've wondered the same thing myself. I've made homemade both dill pickles and homemade sauerkraut, and the process is exactly the same — except that pickles ferment for about a week while sauerkraut ferments for several weeks before being transferred to the refrigerator. I don't know how that effects the type or number of beneficial bacteria in each.