GOD'S WORD® Translation
Whenever the stronger of the flocks were in heat, Jacob would lay the branches in the troughs in front of them so that they would mate by the branches.

American Standard Version
And it came to pass, whensoever the stronger of the flock did conceive, that Jacob laid the rods before the eyes of the flock in the gutters, that they might conceive among the rods;

Berean Study Bible
Whenever the stronger females of the flock were in heat, Jacob would place the branches in the troughs, in full view of the animals, so that they would breed in front of the branches.

Douay-Rheims Bible
So when the ewes went first to ram, Jacob put the rods in the roughs of water before the eyes of the rams, and of the ewes, that they might conceive while they were looking upon them:

English Revised Version
And it came to pass, whensoever the stronger of the flock did conceive, that Jacob laid the rods before the eyes of the flock in the gutters, that they might conceive among the rods;

King James Bible
And it came to pass, whensoever the stronger cattle did conceive, that Jacob laid the rods before the eyes of the cattle in the gutters, that they might conceive among the rods.

World English Bible
It happened, whenever the stronger of the flock conceived, that Jacob laid the rods before the eyes of the flock in the gutters, that they might conceive among the rods;

Young's Literal Translation
And it hath come to pass whenever the strong ones of the flock conceive, that Jacob set the rods before the eyes of the flock in the gutters, to cause them to conceive by the rods,

Genesis 30:41 Additional Translations ...