Which disease can result in mummified pigs as a symptom?

Leptospirosis is a bacterial disease that can affect pigs and lead to reproductive issues, including mummified fetuses. The bacteria responsible for the disease are often transmitted through contaminated water or environments, leading to its spread in swine herds. Infected pregnant sows can experience a range of reproductive problems, including stillbirths and the birth of mummified piglets, which are often the result of infection during gestation.

Mummified piglets are a direct outcome of the infection affecting the development of the fetus. The presence of the disease disrupts normal fetal development, potentially causing death and subsequent mummification due to the body's response to the infection. This specific manifestation is characteristic of leptospirosis, distinguishing it from other diseases listed, which may have different clinical signs and outcomes.