Normal for roos and wallabies to have large infestations of nematodes in the gut.:
https://www.kangaroosatrisk.org/uplo..._macropods.pdf
Page 17
Apparently harmless to humans but you are quite right that it'll give most anyone second thoughts.Major alimentary tract nematodes
The nematode parasites of Australian native mammals, particularly macropods, often are impressive in their prevalence, mass, magnitude and diversity. In the case of kangaroos, for example, up to 40
nematode species, all belonging to a single order, occur in the complex saccular fore-stomach of individual host species. In most cases, however, even heavy worm infestations are not detrimental to the host.
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