Read Exodus 9:6 Using Other Translations
And the LORD did that thing on the morrow, and all the cattle of Egypt died: but of the cattle of the children of Israel died not one.
And the next day the LORD did this thing. All the livestock of the Egyptians died, but not one of the livestock of the people of Israel died.
And the LORD did just as he had said. The next morning all the livestock of the Egyptians died, but the Israelites didn’t lose a single animal.