11. In the United States, laying hens are butchered after their second egg laying season. 12. If the queen's egg laying declines, the workers raise a number of new queens. 13. Egg laying takes place between October and January, with clutch sizes averaging three eggs.14. Evidence suggests that egg laying and nest building are additional traits shared by all dinosaurs. 15. The nesting time is from July to August & egg laying from August to September. 16. The temperature averaged about 17 �C in the months immediately before and after egg laying . 17. Peak egg laying was observed from February to May. 18. Egg laying generally takes about one day per egg.19. They arc out to the sides during egg laying . 20. This continued egg laying means more eggs are laid than would occur under natural conditions.
