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Journal of Animal and Veterinary Advances
Year: 2007  |  Volume: 6  |  Issue: 12  |  Page No.: 1405 - 1408

Effects of Different Substitution Levels of Fish Oil and Poultry Fat on Performance and Parts of Carcass on Male Broiler Chicks

Saeid Chekani-Azar, Naser Maheri-Sis, Habib Aghdam Shahriar and Alireza Ahmadzadeh    

Abstract: This experiment was conducted to assess the effect of replacing Poultry Fat (PF) with Fish Oil (FO) in broiler diets on performance and different parts of carcass. Three percents oil in 4 diets were altered with replacing PF by FO in completely randomized design at 4 treatments with 4 replicates (T1 = 3%PF, T2 = 2% PF+1% FO, 3 = 1% PF+2% FO and T4 = 3% FO) and were given ad libitum to the birds fed throughout the growth period. Performance and carcass parts were determined after withdrawal of FO from the diet (during one week), before slaughtering in 49-d old. Higher live weight, weight gain and lower Feed Conversion Ratio (FCR) were recorded for birds T3 (1% PF+2% FO). The low abdominal fat and highest weight of spleen was observed for treatment of 3% fish oil (T4), (p<0.01). Feed intake and other parts of carcass had not significant differences among treatments. In conclusion it seems that inclusion of fish oil in diets including poultry fat could be produce better performance and carcass efficiency.

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