Abstract
The study was conducted to evaluate feeding of dried Azolla (Azolla pinnata) and Azolla in combination with exogenous enzymes in commercial broiler poultry birds under complete randomized design. Total 110 day old vancobb broiler chicks were divided into five groups T0, T1, T2, T3 and T4, further each group divided in 2 sub groups (n=11). Group T1 and T3 was given ration containing 2.5 and 5.0 percent dried Azolla without exogenous feed enzyme, where as group T2 and T4 was given ration containing 2.5 and 5.0 per cent dried Azolla with exogenous feed enzyme viz. Phytase and Hizyme. T0 served as standard control diet. Overall growth performance of the dried Azolla fed groups (T1, T2, T3, T4) was found to be similar to the control group (T0) during starter and finisher phase whereas, feed intake per unit gain in live weight was found to be significantly (P<0.05) higher for all the dried Azolla fed groups compared to control group. Further, group T2 offered 2.5 percent substituted dried Azolla supplemented with enzymes exhibited lower feed conversion ratio compared to group T3 offered 5 percent substituted dried Azolla. No effect was recorded in the plasma mineral viz. calcium and phosphorus levels of broilers. Based on the findings it can be concluded that dried Azolla can be safely administered in commercial poultry broiler ration up to 5 percent level without having any deleterious, however inclusion of 2.5 percent Azolla is more effective on the growth performance and biochemical parameters.
Published Version
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