you are to present to the LORD the firstborn male of every womb. All the firstborn males of your livestock belong to the LORD.
KJV
That thou shalt set apart unto the LORD all that openeth the matrix, and every firstling that cometh of a beast which thou hast; the males [shall be] the LORD’S.
ASV
that thou shalt set apart unto Jehovah all that openeth the womb, and every firstling which thou hast that cometh of a beast; the males shall be Jehovah’s.