|
Samples
|
ALTa
|
FCa
|
Total samples
|
|---|
|
Farms
|
Samples
|
Farms
|
Samples
|
|---|
|
Trachea
|
4/4b (100%)
|
32/54c (59.3%)
|
19/20b (95.0%)
|
289/490c (59.0%)
|
321/544c,d (59.0%)
|
|
Cloaca
|
NS
|
NS
|
10/14 (71.4%)
|
39/371 (10.5%)
|
39/371e (10.2%)
|
|
Albumen
|
1/1 (100%)
|
3/16 (18.8%)
|
1/5 (20.0%)
|
1/95 (1.1%)
|
4/111f (3.6%)
|
|
Egg yolk
|
1/5 (0.0%)
|
0/15 (0.0%)
|
1/5 (20.0%)
|
1/95 (1.1%)
|
1/110f (0.9%)
|
|
Total
|
5/5 (100%)
|
35/85 (41.2%)
|
20/20 (100%)
|
330/1051 (31.4%)
|
365/1136 (32.1%)
|
- aALT alternative systems (barn, free-range, organic), FC furnished cages
- b number of MS-positive farms/number of sampled farms (percentage of positive farms)
- c number of MS-positive samples/total number of samples (percentage of positive samples)
- d,e,f results with different letters are statistically different (P < 0.001)
- NS not sampled
