Effects of Onion Extracts on Growth Performance, Carcass Characteristics and Blood Profiles of White Mini Broilers

  • An, B.K. (Department of Animal Science and Technology, Konkuk University) ;
  • Kim, J.Y. (Department of Animal Science and Technology, Konkuk University) ;
  • Oh, S.T. (Department of Animal Science and Technology, Konkuk University) ;
  • Kang, C.W. (Dan Biotech Inc.) ;
  • Cho, S. (Department of Animal Science and Technology, Konkuk University) ;
  • Kim, S.K. (Department of Animal Science and Technology, Konkuk University)
  • Received : 2014.06.30
  • Accepted : 2014.11.08
  • Published : 2015.02.01


This experiment was carried out to investigate effects of onion extract on growth performance, meat quality and blood profiles of White mini broilers. Total of 600 one-d-old male White mini broiler chicks were divided into four groups and fed control diets (non-medicated commercial diet or antibiotics medicated) or experimental diets (non-medicated diets containing 0.3% or 0.5% onion extract) for 5 wks. The final body weight (BW) and weight gain of the group fed non-medicated control diet were lower than those of medicated control group (p<0.01). The chicks fed diet with 0.3% or 0.5% onion extract showed a similar BW to that of medicated control group. The relative weight of various organs, such as liver, spleen, bursa of Fabricius, abdominal fat, and the activities of serum enzymes were not affected by dietary treatments. There were no significant differences in meat color among groups. Whereas, groups fed diets containing onion extract had slightly lower cooking loss and higher shear force value, but not significantly. The concentrations of serum free cholesterol and triacylglycerol in groups fed diet containing onion extract were significantly decreased compared with those of controls (p<0.01). In conclusion, the onion extracts exerted a growth-promoting effect when added in White mini broiler diets, reflecting potential alternative substances to replace antibiotics.


Onion Extract;Growth Performance;Serum Cholesterol;Blood Profiles;White Mini Broilers


Supported by : Konkuk University


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