23. Dietary effect of autolysed yeast on broilers (Levabon®, Biomin Austria) on broiler growth

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Midrar Ullah Gul Muhammad Marri Qamaruddin Jogi Muhammad Rasheed Huma Rizawana Rizawana Rameez Raja Kaleri Jai Parkash Goil Zafar Ali Khoso Amir Shahab Shevadari . Abdu Kabir


A pilot scale project of 4 weeks feeding trial using 1500 broiler chicks was conducted in a commercial poultry shed, hired for this purpose to study the comparative growth performance of a flock raised on levabon supplemented feed to that raised on the same feed without levabon (control). A total 1500 broiler chicks were divided in to 3 groups, control and treated (1g/kg and 1.5g/kg). Each group was further divided in to 10 replicates, containing 50 birds per replicate. Feed intake was not influenced by supplementation of levabon during this experiment (p>0.005), however slightly higher numerical values were observed in treated group. While overall weight gain and feed conversion ratio was significantly Higher (p>0.05) in birds fed on Levabon supplemented feed (1.5g/kg) as compared to the control group (feed without levabon). Dressing percentage, giblet weight was not significantly influenced by dietary treatment of Levabon (auto-lysed yeast), mortality was significantly reduced by supplementation of levabon (p>0.05) during this trail. The net income per bird was significantly higher in treatment group than control. This study suggests the inclusion of autolysed yeast in broiler diet for getting better performance of broiler chicken.

Keywords: Autolysis yeast; Dietary effect levabon; Economics; Performance


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