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Eggs isolated by fecal flotation of samples collected from 8-, 12-, 16-, 20-, and 24-wk-old mice housed as breeders (Breeding), in groups (Group), and singly (Single) were evaluated. Over time, fewer eggs were isolated from all mice, regardless of housing status, as they cleared their infections (n = 5 to 10 cages per time point per housing group; data presented as mean ± SEM; *, P < 0.05, Tukey multiple-comparison posthoc).
