The Effect of Acepromazine Alone or in Combination with Methadone, Morphine, or Tramadol on Sedation and Selected Cardiopulmonary Variables in Sheep

Table 2

Mean ± standard deviation of respiratory rate (RR) arterial pH (pHa), partial arterial pressure of carbon dioxide (PaCO₂), partial arterial pressure of oxygen (PaO₂), bicarbonate (), and base excess (BD) in six ewes sedated with acepromazine alone (A), acepromazine-methadone (AM), acepromazine-morphine (AMO), or acepromazine-tramadol (AT).

Variable	Treatment	0	15	30	45	60	75	90	105	120
RR breaths per minute	A
	AM
	AMO
	AT
pHa	A
	AM
	AMO
	AT
PaCO2 (mmHg)	A
	AM
	AMO
	AT
PaO2 (mmHg)	A
	AM
	AMO
	AT
(mmol/L)	A
	AM
	AMO
	AT
BE (mmol/L)	A
	AM
	AMO
	AT

Significantly different from time 0 within the same treatment (). Significantly different from other treatments at the same time point ().