Experiment 2. Farrowing pen 4 was sampled each day during a period of 15 days
with a sampling time of 5 min. No piglets were present on day 1, 41 were present
on day 2, 56 were present on day 3, 94 were present on day 4 and 106 were
present on day 5. After this day no more new piglets were born.
Longitudinal sampling was combined with registration of the presence of
diarrhea. Microbiological examination of diarrheal samples was not performed.