Affiliation:
1. Islamic Azad University Science and Research Branch
2. Science and Research Branch, Islamic Azad University, Tehran, Iran
3. Islamic Azad University Rasht Branch
4. Karaj Islamic Azad University
5. : Islamic Azad University Varamin-Pishva Branch
Abstract
Abstract
The present experiment was conducted to investigate the effects of F. subpinnatapowder (FSP) on performance, carcass characteristics, blood parameters, immune system, microbial population, intestinal morphology, and percentage of fatty acids in the breast meat of broiler chickens. To conduct the experiment, 300 day-old male chickens from the ROSS 308 strain were used in the form of a completely random design with 4 treatments and 5 replicates, with each replicate containing 15 chickens. The experimental treatments were, respectively: 1) control with base diet (without additives), 2) base diet + 1% FSP, 3) base diet + 2% FSP, and 4) base diet + 3% FSP. The results showed that the feed intake and weight gain increased in the treatments containing 2% and 3% FSP when compared to the control (P<0.05). Cholesterol and ALT levels in the treatment containing 3% FSP were lower that the control (P<0.05), while the concentration of glutathione peroxidase enzyme in the treatment containing 3% FSP significantly increased (P<0.05). Thymus weight and antibodies produced against AIV in all three levels of FSP increased significantly compared to the control (P<0.05). The population of lactobacilli and coliforms in the treatments containing FSP increased and decreased significantly compared to the control (P<0.05). The length and width of the intestinal villi of the chickens that were fed with 3% of FSP had a significant increase compared to the control (P<0.05). The percentage of saturated fatty acids in the breast decreased significantly with the consumption of all three levels of FSP (P<0.001). In general, the results showed that the use of 3% FSP in the broiler diet increased the efficiency of growth performance and enzyme activity, while strengthening the immune system, favourably altering the intestinal microbial population, and reducing the fat in breast meat.
Publisher
Research Square Platform LLC
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