That could be true. If one wants a fair number of eggs, Silkies aren't the best choice. They are not extremely productive nor consistent in that endeavor.
They are cute but also predator vulnerable. A silkie breeder I know calls them 'hawk bites'.
You could peruse the following breed selection...
No, feeding low protein has a negative effect on ovulation and hence, production.
I'm sorry my explanation was confusing.
Oatmeal isn't high in the essential amino acids that omnivores need and vegetables knock it down significantly more.
What month and year did she hatch? Where are you located (state or latitude)?
Nothing is abnormal with chickens until a true problem is indicated. Especially silkies not known for productivity.
The starter feed is higher in protein and with your birds not laying consistently, replacing layer...