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Table 2 Mean ± SE latency (s) to onset of physiologic and behavioural parameters following euthanasia method application in 8 and 18 w.o. turkeys

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

Age (weeks)

Method

p value

Pentobarbital sodium

MCD

CD

Method1

Age2

Method x age

Clonic convulsions

 8

–

136 ± 19a

78 ± 31

0.09

0.0002

–

 18

–

11 ± 20b

 

 Mean

 

73 ± 14

78 ± 31

 

Tonic convulsions

 8

–

205 ± 26

153 ± 30

0.2

0.2

–

 18

–

150 ± 30

 

 Mean

 

178 ± 20

153 ± 30

 

Time to last movement

 8

1 ± 1

237 ± 22

231 ± 27

< 0.0001

0.6

0.6

 18

1 ± 1

204 ± 24

 

 Mean

1 ± 1c

220 ± 16d

231 ± 27d

 

Gasping

 8

–

4 ± 4

4 ± 3

0.5

0.06

–

 18

–

15 ± 5

 

 Mean

 

10 ± 3

4 ± 3

 

Feather erection

 8

50 ± 43

171 ± 30

150 ± 35

0.003

0.4

0.4

 18

45 ± 43

241 ± 43

 

 Mean

47 ± 30c

207 ± 26d

150 ± 35d

 

Isoelectric EEG

 8

18 ± 36

278 ± 36

239 ± 31

< 0.0001

0.5

0.4

 18

26 ± 40

218 ± 31

 

 Mean

22 ± 27 c

248 ± 24 d

239 ± 31d

 
  1. 1 The effect of method compares pentobarbital sodium vs. mechanical cervical dislocation (MCD) vs. manual cervical dislocation (CD)
  2. 2The effect of age compares the response of pentobarbital sodium and MCD between 8 and 18 w.o. turkeys
  3. a,bIndicates differences observed within column (difference within age)
  4. c,dIndicates differences observed within a row (difference within method)
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BMC Veterinary Research

ISSN: 1746-6148

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