Panzootiya (az yun. Ran… hama va zoon – hayvon), balandtarin darachan shiddati prosessi epieootiest, ki boisi vase pahn va bosurat ba kasali giriftor shudani hayvonot dar yak yo yakchand mamlakatu qita megardad. Panzootiya khosi kasalihoest (oqsil, vaboi khuk, kasalii Nyukasl, vaboi parranda va gayra), ni darajai balandi siroyati, davrai kutohi inkubatsiya, badi kasali immunitet kamustuvor va gayra dorand.
Ba inkishofi Panzootiya to andozae omilhoi ijtimoiyu iqtisodi (ki pesh az hama aloqai purshiddati khojagihoro dar dokhil va bayni mamlakatho metezonand) va sharoiti tagyiryobaldai parvarishi hanvonot (konsentratsiyai khayvonot, makhsusgardonii khojagiho) musoidat mekunand. Muvaffaqiyati muboriza bo Panzootiya ba darajai omuzishi kasali, mavjudiyati usulhoi samarabakhshi tashkhis va vositahoi makhsusi pehgir, inchunin ba sari vaqt va durust guzaronidani tadbirhoi ziddiepizooti vobasta ast.