But the LORD will make a distinction between the livestock of Israel and that of Egypt,1 so that no animal belonging to the Israelites will die.' "
References for Exodus 9:4
The LORD set a time and said, "Tomorrow the LORD will do this in the land."
And the next day the LORD did it: All the livestock2 of the Egyptians died,3 but not one animal belonging to the Israelites died.
References for Exodus 9:6