² But if you refuse to let them go and keep holding them back, ³ watch out, because the hand of the Lord will bring a very severe disease on your livestock which is in the field. It will be on the horses, donkeys, camels, herds, and flocks. ⁴ But the Lord will make a distinction between the livestock of Israel and the livestock of the Egyptians so that not one of the Israelites’ livestock will die.’”