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Technical note: development of a tool to insert abomasal infusion lines into dairy cows.

A tool was developed to aid in ruminal insertion of abomasal infusion lines into dairy cows. The tool consisted of 2 pieces cut from polyvinyl chloride pipe. The first piece of pipe, the insertion tool, contained a groove that held the flexible plastic flange that is on the end of the infusion line. The insertion tool containing the flange was inserted into the ruminal cannula, through the sulcus omasi, and into the abomasum. The second piece of pipe, the delivery tool, was threaded through the insertion tool, and it was used to dislodge the flange from the insertion tool and into the abomasum.