| Treatments | 
        Diet 1 
          50P | 
        Diet 2 
          45L:50P | 
        Diet 3 
          45L:40P | 
        Diet 4 
          45L:30P  | 
        STD  | 
       
      
        | Initial weight gain (g) | 
        2.27a ± 1.11 | 
        3.28a ± 0.72 | 
        3.30a ± 1.34 | 
        2.78a ± 0.83  | 
        1.03 | 
       
      
        | Final weight gain (g)  | 
        11.27ab ± 5.18 | 
        14.99a ± 9.86 | 
        13.12b ± 8.13 | 
        13.96b ± 4.82  | 
        7.30 | 
       
      
        | Mean weight gain (g) | 
        8.51b ± 4.09 | 
        11.61a ± 9.78 | 
        9.81b ± 6.79 | 
        11.19a ± 5.59  | 
        6.89 | 
       
      
        | Mean Feed Fed (g) | 
        17.58b ± 0.01 | 
        19.55a ± 0.01 | 
        17.45b ± 0.02 | 
        10.14c ± 0.01  | 
        0.01 | 
       
      
        | FCR | 
        2.06c ± 0.01 | 
        1.67b ± 0.02 | 
        1.78b ± 0.02 | 
        0.91a ± 0.01  | 
        0.012 | 
       
      
        | SGR (%/Day) | 
        2.51c ± 0.01 | 
        2.70b ± 0.01 | 
        2.46c ± 0.01 | 
        2.89a ± 0.01  | 
        0.01  | 
       
      
        | PER | 
        0.99b ± 0.01 | 
        1.41b ± 0.01 | 
        1.41b ± 0.01 | 
        3.70a ± 0.01  | 
        0.01  | 
       
      
        | Mortality (%) | 
        3.49c ± 0.01  | 
        31.65b ± 0.01  | 
        31.65b ± 0.01  | 
        76.65a ±    0.01 | 
        0.01 | 
       
      |