Table 1.

Anaesthetic regimens employed

Anaesthetic and dose	No. of animals
Ketamine/xylazine
Induction, i.p., 100 mg kg−1, 10 mg kg−1, respectively, then supplements of ketamine/xylazine (same proportions), i.v., as required.	4
Ketamine only
100 mg kg−1, i.p., then supplements, i.v., as required.	1
Halothane then α-chloralose
Halothane: induction 5%, maintenance 1–2% during surgery, titrated to α-chloralose (30–80 mg kg−1, i.v.) for recording.	2
Halothane then decerebration
Induction 5%, maintenance 1–2% during surgery. Lowered to 0.5% at start of decerebration; turned off once decerebration completed.	11

For more details see de Almeida et al. (2010).