It’s An Everyday Eat-All-You-Can
As the baby depends on the mother’s health as well as her own during pregnancy, the mother must always take care to maintain her health during the entire process. As a general rule, whatever you eat or drink, they will likewise consume. It’s as if you’re already feeding them indirectly while they’re still in your womb.
However, this doesn’t mean that they should overeat. They have to eat that would be just good enough for her to provide nutrition for herself and her baby. It seems like you’re feeding a chicken a lot more than it should have just so it could produce more eggs. Daddy, chill. She will have one baby, overfeeding her won’t make them two.