And Ephraim is as an heifer that is taught, and loveth to tread out the corn; but I passed over upon her fair neck: I will make Ephraim to ride; Judah shall plow, and Jacob shall break his clods. Ephraim is as a heifer that is taught - One thoroughly broken in to the yoke.
And loveth to tread out - Goes peaceably in the yoke; and is pleased because, not being muzzled, she eats of the corn.
I passed over upon her fair neck - I brought the yoke upon it, that she should not tread out the corn merely, but draw the plough and drag the harrow. These operations of husbandry are all referred to here, with some others. Ephraim shall tread out the corn, that there may be seed for the fields.
Judah shall plough - That the furrows may receive it.
Jacob shall break his clods - Harrow - that the seed may be covered with the mould.
Israel very frequently made great depredations on Judah; and as this heifer loved to tread out the corn, and not plough, it is therefore added that he should be made to plough, be put under the yoke, namely, that of the Assyrians. What is added, "Judah and Jacob shall plough for themselves," means, that Judah should not now plough for Israel, but for himself; as Israel shall no more make depredations upon him. - Dodd.