This document summarizes various fungal, bacterial, parasitic, and other diseases that can infect livestock and pets. It provides descriptions of the clinical signs and lesions of diseases such as aspergillosis in maize, aflatoxicosis in liver tissue, histoplasmosis in dogs, anaplasmosis, coccidiosis, theileriosis, babesiosis, trypanosomiasis, leishmaniasis, amphistomosis, schistosomiasis, ascariasis, haemonchosis, stephanurosis, oesophagostomiasis, onchocerciasis, rickets, and fluoride toxicity. Images show examples of the