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                                                       Impacts of Ascaridia galli infection on health, immunity, productivity and egg quality of free-range laying hens   | 
                                                                                                              
                  
                   
               
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      | Place of publication | 
      
           
            
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                                                       Armidale, New South Wales, Australia   | 
                                                                                                              
                  
                   
               
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      | Abstract | 
      
           
            
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                                                       Two experiments were conducted at Laureldale research farms. Hens were artificially infected with different doses of Ascaridia galli eggs. Impacts on health, immune response, productions were measured. Subsequently, hens were ranged on the contaminated ranges. The impacts of such naturally acquired infections were measured.   | 
                                                                                                              
                  
                   
               
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