Show determining sex D 0 warren kansas state agricultural college poultry department says many rules and theories have been proposed for determining the sex odthe chicks at hatching time or even from the egg to late date most methods have proved unreliable in the barred plymouth rods rock breed the size of the alv w on the head may be used to separate the two sexes with some degree of accuracy the chicks chichi with the large head spots are usually males in the crossing of certain breeds the sex of the chicks may be separated with a degree of ac curacy accuracy on the basis of color and growth of wing feathers |