A specialist who determines the sex of newly hatched chicks, typically for poultry farming.
A chicken sexer is a specialist who distinguishes the sex of newly hatched chicks.
Standard kanji spelling using 雛 (chick).
Variant with ひな in kana; may be easier to read for some learners.
Compound of 初生 (first-born, newborn), 雛 (chick), 鑑別 (discrimination, identification), and 師 (specialist, master).