Some didn't use this drug at all, preferring other drugs, such as the combination of xylazine and ketamine best known by its veterinary nickname, «pre-mix.» (whole-dog-journal.com)
Mice were anaesthetized by intraperitoneal injection of 10 ml / kg saline containing xylazine (1 mg / ml) and ketamine (5 mg / ml). (elifesciences.org)
Combination painkiller and sedative drugs, such as xylazine, may also be used to reduce the pain of the injection. (whole-dog-journal.com)