Question: My cats use feline pine cat litter (pine pellets that break down slowly into sawdust). I’m wondering, if we separate out the feces, if it’s safe to use the sawdust that has some cat urine in it in the base of a Hugelkultur mound. Are there zoonotic diseases that we should be worried about?  read more Can feline cat litter be used in the base of a Hugelkultur mound?