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Table 3 M. synoviae detection by PCR in tracheal, cloacal, albumen and egg yolk swabs

From: Investigation on eggshell apex abnormality (EAA) syndrome in France: isolation of Mycoplasma synoviae is frequently associated with Mycoplasma pullorum

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%)
  1. aALT alternative systems (barn, free-range, organic), FC furnished cages
  2. b number of MS-positive farms/number of sampled farms (percentage of positive farms)
  3. c number of MS-positive samples/total number of samples (percentage of positive samples)
  4. d,e,f results with different letters are statistically different (P < 0.001)
  5. NS not sampled