Age of birds in weeks
      Number of birds which died     High Protein   Initial number of birds   Percent mortality
   
Control
  Low  Protein
1–8 0 30 28 204 28.4
9-21 12 6 3 146 14.4
22–32 6 1 0 125 5.6
Total 18 37 31   42.2
Table 3: Chicken mortalities during 1-32 weeks of age.