|
Species
| |
Diet
| |
FDT
| | |
---|
Response
|
Goat
|
Sheep
|
P-value
|
HD
|
CD
|
P-value
|
12-hrs
|
24-hrs
|
P-value
|
SE
|
---|
n
|
16
|
16
| |
16
|
16
| |
16
|
16
| | |
---|
Skin, pre-holding1
| | | | | | | | | | |
E. coli count
|
2.00
|
2.21
|
0.2129
|
2.06
|
2.16
|
0.5527
| | | | |
Total coliform count
|
2.12b
|
3.04a
|
0.0011
|
2.43
|
2.73
|
0.2413
| | | | |
Aerobic plate count
|
8.21b
|
8.53a
|
0.0305
|
8.42
|
8.31
|
0.4511
| | | | |
Skin, pre-slaughtering2
| | | | | | | | | | |
E. coli count
|
2.23b
|
2.93a
|
0.0118
|
2.56
|
2.60
|
0.8650
|
2.38
|
2.78
|
0.1238
|
0.180
|
Total coliform count
|
2.26b
|
3.01a
|
0.0135
|
2.60
|
2.67
|
0.8074
|
2.42
|
2.85
|
0.1352
|
0.197
|
Aerobic plate count
|
8.31
|
8.30
|
0.8017
|
8.33
|
8.28
|
0.3198
|
8.34
|
8.28
|
0.2163
|
0.035
|
Carcass, pre-washing3
| | | | | | | | | | |
E. coli count
|
2.28
|
2.51
|
0.2212
|
2.34
|
2.44
|
0.6018
|
2.28
|
2.41
|
0.8959
|
0.134
|
Total coliform count
|
2.29
|
2.56
|
0.1999
|
2.35
|
2.50
|
0.4587
|
2.43
|
2.43
|
1.0000
|
0.141
|
Aerobic plate count
|
7.93
|
8.28
|
0.0718
|
8.16
|
8.04
|
0.5076
|
8.35a
|
7.85b
|
0.0128
|
0.131
|
- HD = hay diet; CD = concentrate diet.
- 1Skin swabs from hind leg before depriving feed to experimental animals.
- 2Skin swabs from hind leg right before starting slaughtering.
- 3Carcass swabs from flank, brisket and leg regions right before washing after skinning and gut removed.
- a,bWithin a row, least squares means that do not have a common superscript letter differ (P < 0.05).