Freelining it or under a float with it fished hard on the bottom, lift style in the margins would be my best bet. (Listen..... you can hear all the instant carp anglers whisper..... "Whats lift style mean"?)
After all, its not going to stand any cast at all cos its too soft.
Speaking of brands of cat food, i know that Coshida was really rated in the past and definately one to look out for