Modificação da técnica de punção-biópsia hepática para pequenos ruminantes* Modification of the puncture-biopsy technique for· diagnostics in small ruminant

The study describes the proposal of modification of the puncture-biopsy technique used in the diagnosis of severa! diseases in ruminant. The proposed changes comprise the use of a small caliber needle (Silverman needle) instead of a regular instruments and also the demarcation of a new puncture point in the peritoneal cavity. The modified technique, used in 65 sheeps physically restrained, showed to be efficient in field conditions. lt was also verified by necropsy that the puncture animais did not show either hemorrhage in the hepatic parenchyma or any other injury in the extrahepatic biliary ducts. The results suggest that the