Abstract
The experiment was conducted on “Cobb 500” broiler chicks to investigate the effects of enzymes and vinegar on live weight and hematological parameters (TEC, Hb concentration, PCV, ESR, TLC, AST and ALT). A total of 250-day-old broiler chicks were allowed to take rest for 13 days for the adaptation and supplied with normal diet and water. After day 13 they were randomly divided into four equal groups (N=50) and marked them as group T0, T1, T2 and T3. Broiler chicks of group T0 were kept as control and fed with only the commercial broiler ration and fresh drinking water for 21 days but the group T1, T2 and T3 were treated with enzymes (Alquerzim®) @ 1gm/L, vinegar @ 1gm/L, enzymes (Alquerzim®) plus vinegar @ 1ml/L drinking water with normal diet for 21 days respectively. Live weight as gm of broiler chicks were measured on the day 14 of age (1st day of experiment) and sequentially at 7 days interval up to the end of the experiment (day 35 of age i.e 21st day of experiment). For the hematological examinations, blood samples were collected from the randomly selected 10 (i.e. n = 10) birds from each and every group at the end of experiment on day 35 of age (21st day of experiment). It was observed that live weight was increased significantly (p<0.01) in the treatment groups (T1, T2 and T3) as compared to control group T0. TEC, Hb concentration and PCV were increased significantly (p<0.01) but the ESR and TLC significantly (p<0.01) decreased in all the treatment groups as compared to control group T0. Serum biochemical parameters like AST and ALT values were also decreased significantly (p<0.05) in the treatment groups as compared to control group T0. Therefore, it may be concluded that additional enzymes and vinegar had better performance in terms of live weight gain and hematological parameters without any detrimental effects in broilers
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