Kejadian 30:38

Dia menaruh dahan-dahan itu di dalam palungan tempat air minum kawanan ternak, sehingga hewan ternak melihat dahan-dahan itu ketika minum. Binatang-binatang biasanya kawin pada waktu datang minum.

And he set the rods which he had pilled before the flocks in the gutters in the watering troughs when the flocks came to drink, that they should conceive when they came to drink.