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Table 2 Stress-associated behaviours of hens in which there was a significant improvement following fluralaner treatment

From: Assessment of fluralaner as a treatment in controlling Dermanyssus gallinae infestation on commercial layer farms and the potential for resulting benefits of improved bird welfare and productivity

 

Free-range farm

Aviary farm

Night

Day

Night

Body shaking

  

*

Vertical wing shaking

  

***

Head scratching

 

***

*

Head shaking

*

*

***

Preening

**

**

**

Gentle feather pecking

  

***

Resting

*

 

***

  1. Arrows indicate fluralaner administrations (Weeks 0 and 1)
  2. Significant difference from pre-treatment value *P < 0.05; **P < 0.01; ***P < 0.001