The effects of adding purslane powder (Portulace oleracea L.) with vitamin E and L-carnitine in low protein diet on immunity and blood parameters in broilers under cold stress.

Article Type:
Research/Original Article (دارای رتبه معتبر)

This study was carried out to evaluate the effects of vitamin E (VtiE) and L-carnitine (L-Car) supplements with purslane powder (PP) in reduced-protein diet to immune response, hematological indices and some serum indices in broiler chickens reared at cold stress . 576 one-day-old male broiler chicks (Ross 308) were randomly assigned to six treatments, with six replicates per treatment and 16 birds per replicate. The experimental treatments were as follows: 1) normal-protein diet (negative control; NC), 2) a reduced- protein diet (20 g kg-1 lower protein) as a control diet (C), 3) C + 2 g kg-1 of PP, 4) C + PP diet supplemented with 250 mg kg-1 VitE, 5) C + PP diet supplemented with 150 mg kg-1 of L-Car and, 6) C + PP diet supplemented with 250 mg kg-1 VitE + 150 mg kg-1 L-Car. Results showed that diets supplemented with PP + VtiE and PP + L-Car showed decreased the number of red blood cells, hemoglobin, hematocrit and heterophil to lymphocyte ratio (P<0.05) at 42 days. Antibody titers against Sheep red blood cells and Newcastle disease virus were significantly increased (P<0.05) at 41 and 27 days by VtiE and L-Car, respectively. While triglycerides and cholesterol were significantly reduced by them (P<0.05). It could be concluded that addition of VtiE and L-Car alone in combination with purslane in low protein diets by create beneficial synergistic effects, it can improve immune system and health in broilers reared at cold stress.

Animal Sciences Journal, Volume:36 Issue: 139, 2023
3 to 16  
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