Pharaoh sent officials and found that none of the livestock of the Israelites had died. But Pharaoh’s heart was hardened, and he would not let the people go.
7. And Pharaoh sent. I leave it undecided, whether he then first sent these inspectors; “It is asked, why he did not do so before? Resp., Because either, first, The roads were impassable on account of the frogs, lice, etc.; or secondly, It did not previously occur to him.” — Menochius in Pol. Syn.
Here is, I. Warning given of another plague, namely, the murrain of beasts. When Pharaoh's heart was hardened, after he had seemed to relent under the former plague, then Moses is sent to tell him there is another coming, to try what that would do towards reviving the impressions of the former plagues.
Commenting on Exodus 9:1-7
And Pharaoh sent,.... Messengers to the land of Goshen, to see whether the murrain was upon the cattle of Israel or not, and whether any of them died or not. The Targum of Jonathan is,"he sent to Pelusium to see" and inquire about this matter; that is, to Raamses, for so that paraphrase calls Raamses in Exo 1:11 a city built by the Israelites, and...