The effects of treatment of canola meal with copper and supplementation of L-Arginine on body weight gain and susceptibility to ascites in broiler chickens which fed by canola meal based diet

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This study was conducted to investigate the effect of different levels of supplemental copper (0, 125 and 250 mg/kg;Cu) and L-arginine (0, 0.1 and 0.2 %; Arg) on body weight and susceptibility to ascites in broiler chicks which fed by canola meal based diets. A total of 405 male broilers (21d old Ross 308) were used in a (3×3) factorial experiment completely randomized design with 5 replications  (9 birds per pen) during a three-weeks period (22-42 d). Body weight was significantly improved when 250 mg/kg Cu was added to diets. Addition of 0.2 % Arg to diets reduced the relative weight of heart and right ventricular weight to total ventricular weight ratio (RV/TV), while feeding birds by supplemental Cu significantly increased RV/TV ratio. Likewise, a significant increase in packed cell volume percentage was observed by feeding 250 mg/kg supplemental Cu. Blood hemoglobin, packed cell volume and total erythrocyte count showed significant decrease when Arg was supplements into diets. Totally, the results of this study showed that fortification of the canola based diet with Arg and Cu beneficially improved pulmonary hemodynamics and alleviate the adverse effects of glucosinolates on performance consequently.

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