# then Yahweh's hand will bring

The word "hand" here represents Yahweh's power to afflict their animals with disease. Alternate translation: "then the power of Yahweh will bring" (See: [[rc://en/ta/man/jit/figs-metonymy]])

# will bring a terrible plague on your livestock ... flocks

"will cause your livestock ... flocks—to die from a terrible plague"

# on your livestock

The word "your" here refers to all the people of Egypt who owned livestock.