Exodus 9:6; Exodus 9:7

Exodus 9:6

6 And the next day the LORD did it: All the livestock of the Egyptians died, but not one animal belonging to the Israelites died.

Exodus 9:7

7 Pharaoh investigated and found that not even one of the animals of the Israelites had died. Yet his heart was unyielding and he would not let the people go.