Egg compounds in Japanese quail selected for contrasting yolk testosterone (T) levels.

<p>Data represent means (± SE) of yolk T (A), yolk immunoglobulins, IgY (B) and albumen lysozyme (C) concentrations (upper row) and total egg content (bottom row) in the high (HET) and low (LET) egg T lines. Different letters above columns indicate significant differences between lines at the level of <i>p</i><0.05.