What to say when slaughtering or sacrificing an animal

بِسمِ اللَّهِ وَاللَّهُ أَكبَرُ [اللَّهُمَّ مِنكَ وَلَكَ] اللَّهُمَّ تَقَبَّل مِنِّي

Pronunciation

Bismil lah wallahu akbar, allahumma minka walak, allahumma taqabbal minnee

English meaning

In the name of Allah, and Allah is the greatest. O Allah, (it is) from You and belongs to You, O Allah, accept this from me.