| disease patterns in the detroit zoo: a study of the mammalian population from 1973 through 1983. | a retrospective study was conducted to evaluate disease patterns in the mammals at the detroit zoo from 1973 through 1983. the reindeer (rangifer tarandus), common eland (taurotragus oryx), rednecked wallaby (protemnodon rufogrisea), sitatunga (tragelaphus spekii), and kangaroo (macropus spp)- were the most frequently affected mammalian species. parasitic agents (80% of which were internal parasites) caused morbidity in 60.2% of the mammals evaluated (n = 2,475) and microbial agents caused morbi ... | 1985 | 3878354 |