Enrofloxacin micro-capsule for injection and preparation method of enrofloxacin micro-capsule

The invention discloses an enrofloxacin micro-capsule for injection. The enrofloxacin micro-capsule consists of enrofloxacin and auxiliary materials, specifically, the enrofloxacin micro-capsule consists of the following raw material medicines in parts by weight: 0.5-2 parts of enrofloxacin, 6-8 parts of arabic gum, 1-2 parts of sodium carboxymethylcellulose, 0.5-2 parts of an emulsion agent, 0.5-2 parts of an antisticking agent, 17-80 parts of a solvent and 2.5-8 parts of antioxidant. Compared with the prior art, the bitter taste of enrofloxacin is covered as the enrofloxacin micro-capsule is wrapped by a capsule material, the prepared micro-capsule powder can be used as an additive, the medicine can be orally taken by animals, and the palatability is improved. The prepared micro-capsule injection can be injected and is used once to twice a day with slow-release and controlled-release of the micro-capsule, the medicine which is injected for 2-3 days can be injected once, the dosage interval is shortened, the use is convenient, the bioavailability is improved, the medicine amount is reduced, the blood concentration is stable, and the curative effective is improved. The enrofloxacin micro-capsule is simple in preparation process, low in cost and applicable to large-scale production and is a product with great market prospect.