The combined effects of sesame meal bioactive peptides and plant essential oils on growth performance, nutrient digestibility, immune and hematological parameters in broiler chickens
2023
bahadori, mohammad mehdi | Rezaeipour, Vahid | Abdullahpour, Rohullah | Irani, Mehrdad
The purpose of this study was to investigate the effect of bioactive peptides of sesame meal alone or with a mixture of savory essential oil (Satureja khuzestanica) and thyme (Thymus daenensis) on growth performance, nutrient digestibility, immune and blood parameters in broiler chickens. A total of 250 male broiler chickens was used in a completely randomized design with 5 treatments and 5 repetitions. The treatments included a control diet and a control diet with 0.5 gr/kg antibiotic, 0.5 gr/kg essential oil, 3 gr/kg sesame bio active peptide and a combination of 3 gr/kg sesame bioactive peptide and 0.5 gr/kg essential oil. The results showed that body weight gain in the treatments containing bioactive peptide mixture of sesame and plant essential oil were better than the control. Bioactive peptides increased crude protein digestibility in broilers. The change of the antibody concentration of viral diseases related to Gumboro disease in 42 days for the experimental treatments was significant compared to the control group (p<0.05). The highest and lowest antibody titers against Gumboro disease were observed in treatment 5 of bioactive peptide mixture of sesame and plant essential oil and treatment 2 containing antibiotics, respectively. In relation to blood cholesterol concentration, the lowest concentration was related to treatment 3 containing plant essential oil and the highest concentration was related to the control. In conclusion, the combination of bioactive peptide of sesame and plant essential oil with a positive effect on nutrient digestibility improves growth performance in broiler chickens.
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