I would be concerned if they are horrible layers. Is that genetic or dietary? If they aren't laying well, perhaps a change if feed is in order, and if they are laying age, then a lay ration is appropriate. My Cochins aren't great layers, but part of that is because they want to be broody for 3 months out of the year.
My birds hate when I switch to mash. They hardly eat it for a couple of days, but then they get hungry and get over it. With the number of birds I have here, I have to go with what is more of a financial decision that what they prefer. I never use pellets because it is cost prohibitive for me. You could also look at supplemental feeds to help with laying, like Calf Manna, cat food (limit due to the high sodium content), or more natural foods like animal protein (soup bones, stripped chicken carcass and so forth) During winter especially when they can't get worms and bugs and such in their diet, which are excellent protein foods for them, they can use that little extra something.
I suggest you explore your options at whatever feed sources are within a reasonable distance from you and see where you can find the best option that fits your needs.