It is that time of year again when kids are born, rainy weather and humid conditions are created. What are your practices to prevent cocci or treat it. If you feel confident: what are the causes of cocci. Signs of cocci??? I think this will be a real helpful resource. Cocci - or Coccidia is a parasite that feeds off the Thamine in the animals body. It can destroy the intestinal lining and cause stunted growth or delayed growth in young kids. The signs of cocci are varried as you will read below and it can kill all ages of goats.