Effects of a muscarinic type-2 antagonist on cardiorespiratory function and intestinal transit in horses anesthetized with halothane and xylazine.

Objective: To evaluate the cardiorespiratory and intestinal effects of the muscarinic type-2 (M2) antagonist, methoctramine, in anesthetized horses.

Animals: 6 horses.

Procedure: Horses were allocated to 2 treatments in a randomized complete block design.

Effects of glycopyrrolate on cardiorespiratory function in horses anesthetized with halothane and xylazine.

Objective: To evaluate cardiopulmonary effects of glycopyrrolate in horses anesthetized with halothane and xylazine.

Animals: 6 horses.

Procedure: Horses were allocated to 2 treatment groups in a randomized complete block design.