Question of the Day

Treat this chorioptic mange  (also called “leg mange”) with pour-on eprinomectin or moxidectin (both approved for lactating dairy cattle).

Pour-on doramectin and ivermectin as well as eprinomectin and moxidectin are approved for this use in beef cattle.

isolation is not practical because of the contagious nature of the disease.

Assume all animals in the group are infested and treat accordingly.

Classic chorioptic mange is seen in winter in the northeastern U.S.

Cattle present with crusty, pruritic skin disease around the perineum and  caudal upper thigh.

On skin scrape, look for long legs and short unsegmented pedicles in chorioptes.

In contrast to the short legs and long unsegmented pedicles of sarcoptes.

Images courtesy of Alan R Walker.