CC type of ADL0154, AB type of ADL0201, AAtype of ADL0345, AAtype of MCW0038, BB, CC type of MCW0154, CF> CG> DF type of MCW0170, BB type of MCW0258 are remarkably correlative to body weight at first egg.

• 标记ADL0154的CC型，ADL0201的AB型，ADL0345的AA型，MCW0038的AA型，MCW0154的BB、CC型，MCW0170的CF、CG、DF型，MCW0258的BB型对BWFE影响显著；