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Table 1 Incidence (and percentage) of 8 and 18 w.o. turkeys presenting with various behavioural and physiologic parameters and isoelectric EEG in the 5 min following euthanasia method application

From: Electroencephalographic, physiologic and behavioural responses during cervical dislocation euthanasia in turkeys

Parameter 8 w.o. 18 w.o.
Pentobarbital sodium (n = 6) CD (n = 8) MCD (n = 12) Pentobarbital sodium (n = 5)1 MCD (n = 10)
Clonic convulsions 0a (0) 5b (63) 11b (92) 0c (0) 10d(100)
Tonic convulsions 0a (0) 7b (88) 8b (73) 0 (0) 6 (67)
Feather erection 4 (67) 5 (63) 8 (73) 5 (100) 8 (80)
Gasping 0a (0) 5b (63) 12b (100) 0c (0) 10d (100)
Loss of nictitating membrane 6a (100) 5a (63) 2b (17) 5c (100) 4d (40)
Loss of pupillary light reflex 6a (100) 4a (50) 2b (17) 5 (100) 6 (60)
Cardiac arrest 6a (100) 1b (13) 1b (8) 2
Isoelectric EEG 6 (100) 8 (100) 6 (50) 4 (100) 8 (80)
  1. 1One EEG recording was not available for evaluation
  2. 2 Data not collected due to sampling limitations
  3. a,b Indicates differences from chance alone within 8 w.o. turkeys for CD or MCD compared to pentobarbital sodium based on 2 × 2 contingency tables
  4. c,d Indicates differences from chance alone within 18 w.o. turkeys for CD or MCD compared to pentobarbital sodium based on 2 × 2 contingency tables