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              Research
                            
              
                              
                              7.  
                              
                              Effect of different levels of dietary selenium on 
                              growth performance and nutrient utilization of 
                              broiler birds - Ankur Khare, R. P. S. Baghel
                              Vet World. 2011; 4(4): 173-175
               
              
              
              doi: 
              10.5455/vetworld.2011.173-175
              
              
               
              
              
              
   
 
              
               
               
               
              
              
              Abstract
              
                              
                              
                              Experiment was conducted on 120 broiler chicks for 
                              six weeks and their weight gain was taken for 
                              consecutive six weeks to observe the effect of 
                              different levels of dietary selenium over growth 
                              and nutrient utilization of birds. There were 
                              three diets prepared with 0.125, 0.15 and 0.175 mg 
                              Se/Kg feed for group T1, T2 and T3 respectively. 
                              The FCR and performance index at 1st week for T1 
                              were 1.34±0.02 and 21.21±0.36 that for T2 was 
                              1.51±0.01 and 16.56±0.40 and for T3 were 1.29±0.02 
                              and 23.88±0.50, the experiment continues for 6 
                              weeks the FCR and performance index at 6th week in 
                              T1, T2 and T3 was 3.42±0.19 and 7.37±0.78, 
                              3.56±0.05 and 6.51±0.25, 3.56±0.15 and 6.85±0.58. 
                              The percent retention of nutrients was highest in 
                              T3 group as compare to T1 and T2 which was 
                              supplemented @ 17.50 mg Se/kg of feed. Therefore 
                              it was concluded that supplementation of selenium 
                              @ 17.50 mg/kg diet of poultry enhances the growth 
                              rate as well as nutrient retention in the broiler 
                              birds. 
                              
                              
                              Keywords: FCR, Performance index, 
                              Selenium, Nutrient utilization, Nutrient, weight 
                              gain.