Giardia is a protozoal parasite common in humans and domestic animals worldwide. It comes in two forms: an active form (mobile trophozoite) that lives in the small intestine and a cystic form that is released from the intestinal tract and survives in wet conditions.
First of all, let’s talk about why cats scratch. Cats ‘scratch’ on items for two reasons. The reason we think of them most often is to sharpen their claws. But scratching also serves another purpose.
