1 Samuel 15:9

15:9 However, Saul and the army spared Agag, along with the best of the flock, the cattle, the fatlings, and the lambs, as well as everything else that was of value. They were not willing to slaughter them. But they did slaughter everything that was despised and worthless.

1 Samuel 15:21

15:21 But the army took from the plunder some of the sheep and cattle – the best of what was to be slaughtered – to sacrifice to the Lord your God in Gilgal.”