Pigeon pox, herpes virus infection, lymphomatcGis, trichononiasis, cXXXDIChOsIs, ascariasis, caplillariasis, cestodiasis, ttacheitis, candidiasiam sairnoneilceis and rnycxpIasrnceis were diagnosed at Provincial Peseaxch Institu for Animal Health, Tansui, Taiwan form 1979 to 1982. Their thologic changes were discusser), in this
Borhizger bodies were ways to lie found in pox cases. Cenfrilobular necrosis and eceinophilic intranwzlear inclusion bodies were found in the cases of herpes virus infection, Various lymphccytes infiltrated in liver and lung in the cases of lyxnphomatceis. Massive necrosis of oral and esopgageal or crop muocea as well as of liver were found in the cases of trichoinoniasis and candidiasia. Focal necicLsis of liver and pexitonitis were foundinthe cases of salmoriellosis.