Lice and mange mites can also mechanically transmit diseases such as swine pox. Sarcoptes scabiei and Demodex phylloides. They can survive for up to 2 to 3 days off the pig in warm bedding, but they will not generally live on other animals. The adult life span is about 35 days. An adult female will lay 3 or 4 eggs daily for approximately 25 days.
Nymphs are similar in structure but smaller than the adult.
The nymphs will go through three nymphal stages before reaching adulthood. During development, lice may feed in clumps, generally on the more tender areas of the skin. Lice infestations start around the ear, expand to the lower body, and then to soft-skinned abdominal areas. Lice do not burrow into the skin at any stage of their life cycle. Symptoms Mild lice infestations may cause no clinical problems.