Composite anesthetic for fattening pigs and application method thereof

The invention discloses a composite anesthetic for fattening pigs and an application method thereof, relates to an animal anesthetic and an application method thereof, and aims at solving the technical problems that an existing anesthetic for a pig is slow to take effect, short in efficacy and poor in anesthetic effect. The composite anesthetic for fattening pigs, which is disclosed by the invention, is prepared from a sodium pentobarbital solution with the mass percentage of 3% and a sierra oxazine hydrochloride injection; the dose of the sodium pentobarbital solution with the mass percentage of 3% is 1-1.2ml/kg; the dose of the sierra oxazine hydrochloride injection is 0.8-1ml/15kg. The application method comprises the following steps: carrying out intraperitoneal injection on the fattening pigs after pre-cooling the pentobarbital sodium solution; and carrying out intramuscular injection of the sierra oxazine hydrochloride solution on the side of the neck of each fattening pig after injection is finished fo