Gas-Tight Cannula for Rumen Fistula

Abstract
A cannula has been perfected which can be made from inexpensive materials and which will give a satisfactory gas and liquid tight seal. The cannula described will permit the entrance of a tube of up to 22 mm. in diameter. This cannula has been used in sheep, but the same technique could conceivably be used for larger ruminants. Copyright © . .

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