Other food species, in their wild forms, don't rely quite as hard on a fast generation cycle to solve parasites. If individuals of your species can lay eggs and

Other food species, in their wild forms, don't rely quite as hard on a fast generation cycle to solve parasites. If individuals of your species can lay eggs and die before the exponential curve of some infection reaches the steep parts, that's good enough, problem solved. It's the same reason as why short-lived programs require neither free nor GC and why we prefer to not bother with types in one-shot scripts.