autosexing

[aw-toh-sek-sing]
noun
  1. breeding, especially of domestic fowl, to reveal sexual characteristics at birth or hatching in order to separate males from females.

Origin of autosexing

First recorded in 1935–40; auto-1 + sex + -ing2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018