We have 6 gold - laced Wyandottes that are about 20 weeks old. When will they start laying? We also have 10 more, 2 Buff Orpington's, 2 brown leg-horns, 2 Rhode Island reds, 2 Jerseys Giants and 2 Austrolops. They other 10 are younger than the others and they are all eating like crazy. My...