Exodus 9:7
9:7 Pharaoh sent representatives to investigate, and indeed, not even one of the livestock of Israel had died. But Pharaoh’s heart remained hard, and he did not release the people.
Exodus 11:7
11:7 But against any of the Israelites not even a dog will bark against either people or animals, so that you may know that the Lord distinguishes between Egypt and Israel.’
Exodus 34:3
34:3 No one is to come up with you; do not let anyone be seen anywhere on the mountain; not even the flocks or the herds may graze in front of that mountain.”