A sourced, dated reference. Every entry cites at least one primary source — peer-reviewed studies, ADRK, OFA, AKC, or breed-club data. No opinions. No fluff. Daily facts compound into a permanent index.
A Rottweiler's first 16 weeks run two clocks at once: the DAP core series until past 16 weeks, and the socialization window that closes at about 14 weeks.