Relating to or based on the study and analysis of epizootic outbreaks and external parasite diseases in animals.
From 'epizoology' plus the adjectival suffix '-ical'. This is a more formal or technical variant of 'epizootiologic.'
Epizootiological studies of wildlife parasites led to one of medicine's biggest breakthroughs: discovering that the same techniques that track parasites in animals could track disease spread in humans, founding modern epidemiology.
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