Richard -- Thank you, the was the simplistic answer I expected. But you know that Jews DO use refigerators and freezers so that that is not the answer. The answer is a religious stricture, not a pragmatic one, so it is as applicable today as it was in Biblical times...for the observant.

Sorry, but I have to leave. The Chabad (a sect of ultra-Orthedox Jews) Telethon is on. [How modern of them to use television!] If you, or anyone reading this between 7pm - 1am EDT live in LA, NY, Miami or any of several other cities, you might get an insight into the world of Judaism.