Hello! I have a problem with my website: in the begining of this month i've changed breadcrumbs and till now google don't show them in SERP. Have you had such experience? How long did it take to reindex you breadcrumbs?
Do you have a sitemap? Did you update it when you made these changes to your site? ...with a dated time stamp? It should only take about 7 days to reindex, if it was done properly...