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Effect of Dietary Prebiotic Supplementation on the Immune Response, Intestinal Health and Blood Parameters Following Eimeria Infection of Broiler Chicken | ||
| Iranian Journal of Veterinary Medicine | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 17 دی 1403 اصل مقاله (768.3 K) | ||
| نوع مقاله: Original Articles | ||
| شناسه دیجیتال (DOI): 10.22059/ijvm.2025.378483.1005602 | ||
| نویسندگان | ||
| Mahnaz Bayat؛ Hassan Darmani kuhi* ؛ Mohammad Roostaei-Ali Mehr؛ Navid Ghavi Hossein-Zadeh | ||
| Department of Animal Science, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran | ||
| چکیده | ||
| The present work was conducted to evaluate the effect of prebiotic (Nutri Yeast, NY) supplementation on the intestinal morphology and microflora, and immune response in mild challenged broilers with Eimeria. A total of 420 1-d-old male Ross 308 chicks were used in a completely randomized design with 7 treatments and 5 replicates with 12 birds in each replication. Experimental treatments included: 1) negative control (without challenge); 2) positive control [challenged with sporulated oocysts (SO)]; 3) 0.2 % NY in starter, 0.1 % in grower and 0.05 % in finisher, challenged with SO (NYC0.2S%0.1%G0.05%F); 4) 0.2 % NY in starter, 0.1 % in grower and 0.05 percent NY in finisher, without challenge (NY0.2S%0.1%G0.05%F); 5) 0.2 % NY in the whole rearing period of chicks challenged with SO (NY0.2%WPC); 6) 0.2 percent NY in the whole rearing period of chicks without challenge (NY0.2%WP); 7) salinomycin (0.05 percent of diet) as a coccidiostat for the entire experimental period. At 7 d of age, the infected chicks were challenged with 20-fold dose of the EIMERIAVAX 4m as a trivalent live attenuated coccidiosis vaccine. The results showed that NY supplementation increased concentration of serum total protein and decreased serum triglycerides and cholesterol (P<0.05), and had a positive effect on male broilers intestinal pH, morphology, microflora, and immune system. Expression of IL-6 gene was decreased (P<0.05) in the NY treatments relative to the control treatments. The relative weights of immune organs (bursa of Fabricius and thymus), breast and small intestine increased in broilers fed NY (P<0.05). | ||
| کلیدواژه‌ها | ||
| IL-6 gene expression؛ Immune response؛ Intestinal morphology؛ Microflora؛ Prebiotic | ||
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آمار تعداد مشاهده مقاله: 48 تعداد دریافت فایل اصل مقاله: 145 |
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