Effect of sumac (Rhus coriaria L.) seed powderon growth, carcass traits, blood parameters, immune system and selected ileal microorganisms of broilers
2020
Azizi, Maryam | Passantino, Giuseppe | Akter, Yeasmin | Javandel, Faramin | Seidavi, Alireza | Bahar, Bojlul | O'Shea, Cormac J. | Laudadio, Vito | Tufarelli, Vincenzo
Sumac (Rhus coriaria L.) is a plant species belong to Anacardiaceous family that is worldwide diffused. The sumac seed power (SSP), produced by grinding dried fruits, is recognized to have defensive and beneficial effects on numerous health‑related problems. In this study, SSP was included in broilers basal‑diet to investigate the comparative effects of different levels of SSP on performance, carcass characteristics, blood parameters, immune system and ileal microorganisms. A total of 225, one day‑old male broilers (Ross 308) were randomly assigned to the five dietary treatments with three replicates per treatment. The experimental diets were: basal‑diet (BD); and BD including 0.05, 0.10, 0.15 and 0.20% SSP, respectively. During the whole feeding period (42 days), birds fed corn‑based grower (1‑21 days) and finisher (22‑42 days) diets, respectively. Results indicated that supplementing SSP had no effect on broiler body weight gain, feed intake and feed conversion as well as carcass characteristics (P > 0.05). Similarly, blood total protein, albumin, glucose and triglyceride were not influenced by dietary SSP. Conversely, serum total cholesterol and LDL‑cholesterol levels were decreased, while HDL‑cholesterol increased in all SSP fed groups compared to control (P < 0.05). In this study the addition of SSP in broilers diets did not show any effect on blood heterophils and lymphocyte. Moreover, the lactobacillus count remained unaffected by dietary treatments, while E. coli count in broiler ileal content was lower when fed 0.10% SSP than the other groups (P < 0.05). Thus, the present findings indicated a positive effect of feeding SSP (especially at 0.10% diet) on blood cholesterol levels and E. coli count in broiler chickens.
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