Genesis 21:28 Halakhah

וַיַּצֵּ֣ב אַבְרָהָ֗ם אֶת־שֶׁ֛בַע כִּבְשֹׂ֥ת הַצֹּ֖אן לְבַדְּהֶֽן׃

And Abraham set seven ewe-lambs of the flock by themselves.

Read halakhic rulings (Jewish law) on Genesis 21:28: and classical halakhic sources.