| 摘要 |
A syringe for the intramammary administration of veterinary pharmacological compositions, in particular for the treatment of bovine mastitis. The syringe comprises a container body (1), a cannula (3) extending axially from one of its ends, a removable shutter (4) surrounding the initial part of the cannula (3), and a protective cap (6) covering both the cannula (3) and the shutter (4). During use, when the cap (6) is removed, only the end part of the cannula (3) is freed so as to allow insertion into the initial section of the teat; when the shutter (4) is also removed, the entire cannula (3) is freed so as to allow insertion as far as the teat cistern.
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