Genesis 30:42

42 and when the flock is feeble, he doth not set [them]; and the feeble ones have been Laban's, and the strong ones Jacob's.

Genesis 30:42 Meaning and Commentary

Genesis 30:42

And when the cattle were feeble, he put them not in
Or "when covered", as Menachem, that is, with wool, and so not so desirous of copulation with the males, nor so fit and strong for generation; and therefore he put not in the rods into the gutters, partly that he might have none feeble in his flock, and partly that he might not spoil Laban of his whole flock, strong and weak: so the feebler were Laban's, and the stronger Jacob's;
not only his flocks became more numerous than Laban's, but were a better quality.

Genesis 30:42 In-Context

40 And the lambs hath Jacob parted, and he putteth the face of the flock towards the ring-straked, also all the brown in the flock of Laban, and he setteth his own droves by themselves, and hath not set them near Laban's flock.
41 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,
42 and when the flock is feeble, he doth not set [them]; and the feeble ones have been Laban's, and the strong ones Jacob's.
43 And the man increaseth very exceedingly, and hath many flocks, and maid-servants, and men-servants, and camels, and asses.
Young's Literal Translation is in the public domain.