general sexing og chickens
chicken sexing based on cloaca
cloacal protrusion
- female cloaca bigger
chicken sexing based on feather growth
slow (dominant) - female
fast (recessive) - male
chicken sexing based on feather color
dark - female
light - male
criss-cross inheritance, F1 NOT uniform
chicken sexing based on marking
male: white spot on head
black leghorn chicken