While slaughtering a normal animal

بِسْمِ اللہِ وَاللہُ أَکْبَرُ [اَللّٰہُمَّ مِنْکَ وَ لَکَ] اَللّٰہُمَّ تَقَبَّلْ مِنِّيْ

In the Name of Allah, Allah is the Greatest! [O Allah, from You and to You.] O Allah, accept it from me.