Ferals not enjoying Friskies canned anymore

My feral colony eats Friskies canned and Friskies Cat Chow. Lately they are leaving all of the Friskies canned food (no matter what flavor) and just eating the dry. After a while, one or two will eat a little bit of the canned but there is always half left over- they used to eat the canned first and eat all of it. Should I be worried?

I know that I should try to feed better quality, but with my indoor cats I simply cannot afford to. I have a severely allergic cat, a mildly allergic cat, and one that is on UTI food.

Maybe my ferals are just eating less since it is Spring. Just wanted to see if anyone else is having a problem.

Thanks!

http://www.sportmix.com/cat/originalRecipe.tpl

that is the cheapest yet low premium in quality... 25lbs is 7.99 35lb s is 14.99

My farm kitties range from friendly to semi-feral. They're still eating their canned & dry, but they aren't eating near as much.