Effect of supplementing different levels of alkaline hydrolyzed feather meal and ‎dried corn steep liquor on performance and anti-oxidation indices of broiler chicken

Document Type : Research Paper


1 MSc. Student, Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares ‎University, Tehran, Iran

2 Associate Professor, Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran‎

3 Professor, Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran‎


The present study was conducted to investigate the effect of different levels of alkaline treated feather meal and dried corn steep liquor on the performance of broiler chickens. A total of 720 one-day-old broiler chicks were randomly distributed into six experimental groups in a simple randomized experimental design (each experimental group had six replicates; 20 birds per each). Experimental groups contained: 1: Feed without dried corn steep liquor (DCSL) and alkaline treated feather meal (ATFM), 2: 4% DCSL and 3.29% ATFM, 3: 5.5% DCSL and 2.47% ATFM, 4: 7% DCSL and 1.65% ATFM, 5: 8.5% DCSL and 0.82% ATFM, 6: 10% DCSL. The results showed that experimental treatments could not affect feed intake, weight gain and feed conversion ratio (P> 0.05). The average production cost per kilogram of live weight at 11-24 days did not show a significant difference (P>0.05). The highest average production cost per kilogram of live weight in the grower period (25-42 days) and the whole experimental period (11-42 days) was related to the control group (P<0.05). The use of different levels of alkaline treated feather meal and dried corn steep liquor had a significant effect on the percentage of crude fat and lipid oxidation of meat (P<0.05). According to the results, it can be concluded that partially substitution of soybean meal with alkaline treated feather meal and dried corn steep liquor can be done without any negative effects on performance and it reduces production costs.


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