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. 2014 Jun 17;14:134. doi: 10.1186/1471-2148-14-134

Table 2.

Effects of treatments on density, diversity and composition of nest and feather bacterial communities compared to the control

  Total bacterial densities Keratinolytic bacterial densities
Nests
 Estimate ± SE
 Df
 T
 P
 Estimate ± SE
 Df
 T
 P
  TSB
 0.87 ± 0.38
 32
 2.30
 0.028*
 1.36 ± 0.62
 32
 2.19
 0.036*
  Nisin
 −1.70 ± 0.46
 33
 −3.67
 <0.001***
 −2.68 ± 0.73
 33
 −3.65
 <0.001***
Feathers
 Estimate ± SE
 Df
 T
 P
 Estimate ± SE
 Df
 T
 P
  TSB
 1.64 ± 0.61
 36
 2.69
 0.011*
 2.53 ± 0.52
 37
 4.90
 <0.001***
  Nisin
 0.87 ± 0.39
 34
 2.20
 0.035*
 0.99 ± 0.41
 35
 2.43
 0.021*
 
  
  
  
  
  
  
  
  
 
 Bacterial diversity
 Bacterial composition
Nests
 Estimate ± SE
 Df
 T
 P
 SumSq
 Df
 F
 P
  TSB
 0.60 ± 0.28
 30
 2.14
 0.040*
 0.80
 30
 3.59
 0.005**
  Nisin
 −0.01 ± 0.29
 30
 −0.02
 0.981
 0.16
 30
 0.65
 0.715
Feathers
 Estimate ± SE
 Df
 T
 P
 SumSq
 Df
 F
 P
  TSB
 0.41 ± 0.25
 37
 1.62
 0.113
 1.17
 37
 7.26
 0.002**
  Nisin −0.07 ± 0.32 35 −0.23 0.82 0.08 35 0.51 0.767

Significant effects are annotated by *p<0.05, **p<0.01, ***p<0.001.