Average weight development of infected and uninfected goats.

<p>Development of the average total body weight of goats experimentally infected with <i>Mycobacterium avium</i> subsp. <i>paratuberculosis</i> (red squares/lines) in comparison with the average total body weight development of uninfected goats (blue squares/lines). The arrow marks the time point of infection. Week numbers reflect the time compared to the time point of infection with negative numbers representing weeks prior to infection and positive numbers representing weeks after infection.