Show seven types of heads found among the hens the seven types of heads of layers according to a poultry specialist at the missouri state college are first rugged refined capable of producing to eggs per year this head shows high quality the face is of medium length and depth and the skin is of fine texture and lean appearance second refined head capable of producing to ego eggs s this head is similar to the rugged refined type but is lacking in strength third overly refined capable of producing to e ggs eggs this bird is lacking in strength fourth crow headed capable of producing to eggs this head shows refinement but also considerable length it lacks ruggedness so necessary for high production fifth coarse capable of producing ilir 1 50 to eggs this head shows wrinkles overhanging over hanging brows and coarseness throughout sixth phlegmatic capable of producing 25 to eggs the best way of describing this head is to say that it is lacking in character seventh masculine capable of producing 0 to 50 eggs in this case the hen grows an excessively large comb and takes on the appearance of the male it is due to growths or disturbances in the ovary |