There are some compelling arguments to believe that Levitical animal sacrifices continued to be a feature of first century Christian worship
Return to the start of Paul's Post Crucifixion Temple Sacrifices a Judianity website ? © www.pauls-post-crucifixion-temple-sacrifices.info March 2006.
One small and predictable change to an "Old Testament" law about circumcising gentile proselytes in Acts, caused massive turmoil in the predominantly Jewish first century church. So if most of the other Old Testament laws were "done away" - why then isn't any comparable disturbance recorded in the New Testament? How can the written Torah law (law of Moses) really be "done away" in Galatians?