Atan Çırpıcı Helin, Kırkpınar Figen
Department of Animal Science, Faculty of Agriculture, Ege University, İzmir 35100, Türkiye.
Animals (Basel). 2025 Mar 31;15(7):1010. doi: 10.3390/ani15071010.
This study aimed to evaluate the effects of encapsulated postbiotics derived from various probiotic microorganisms, alone or in combination with inulin, on the growth performance, carcass traits, organ weights, blood parameters, and mRNA expression of selected hormones in broilers. A total of 588 one-day-old male Ross-308 chicks were randomly designated to six replicates of seven dietary treatments (initial body weight: 40.85 ± 0.56 g, per replicate, n = 14 chicks). The treatments consisted of a basal diet (C), supplemented with encapsulated postbiotics (0.30%) derived from (ELP), (EBS), or (EEF), as well as combinations of these encapsulated postbiotics with 1.0% inulin (ELPI, EBSI, and EEFI) for six weeks. The results demonstrated that the body weight and body weight gain of birds that were fed diets supplemented with encapsulated postbiotics or their combinations with inulin significantly increased in comparison to the C group ( < 0.001). Feed intake (FI) remained unaffected during days 1-21, as did feed conversion ratios (FCR) during days 22-42, and days 1-42 demonstrated no significant differences ( > 0.05). However, FCR improved during days 1-21, and FI increased during days 22-42 and 1-42 ( < 0.05). Carcass yield, including breast, thigh, and abdominal fat yields, was enhanced ( < 0.001). Although the relative weights of the heart, spleen, pancreas, and liver were unaffected ( > 0.05), the relative weight of the bursa of Fabricius increased ( < 0.001). Serum antioxidant status and immunoglobulin A and M levels were higher, while liver enzymes, cholesterol, triglycerides, and total oxidant status were lower in the supplemented groups compared to the control group ( < 0.001). Serum glucose and protein levels remained unchanged ( > 0.05). The mRNA expression of growth hormone and insulin-like growth factor was upregulated in the supplemented groups ( < 0.001). In conclusion, encapsulated postbiotics (0.30%) derived from different probiotics, alone or combined with inulin (1.0%), positively influenced growth performance, carcass traits, and immunity in male broilers.
本研究旨在评估源自不同益生菌微生物的包封后生元单独或与菊粉联合使用对肉鸡生长性能、胴体性状、器官重量、血液参数以及所选激素mRNA表达的影响。总共588只1日龄雄性罗斯308肉鸡被随机分为7种日粮处理的6个重复组（初始体重：40.85±0.56克，每个重复组，n = 14只鸡）。处理包括基础日粮（C），添加源自（ELP）、（EBS）或（EEF）的包封后生元（0.30%），以及这些包封后生元与1.0%菊粉的组合（ELPI、EBSI和EEFI），为期6周。结果表明，与C组相比，饲喂添加包封后生元或其与菊粉组合日粮的鸡的体重和体重增加显著增加（<0.001）。第1至21天的采食量（FI）未受影响，第22至42天的饲料转化率（FCR）以及第1至42天也无显著差异（>0.05）。然而，第1至21天FCR有所改善，第22至42天和第1至42天FI增加（<0.05）。胴体产量，包括胸肉、大腿肉和腹部脂肪产量均有所提高（<0.001）。虽然心脏、脾脏、胰腺和肝脏的相对重量未受影响（>0.05），但法氏囊的相对重量增加（<0.001）。与对照组相比，添加组的血清抗氧化状态以及免疫球蛋白A和M水平更高，而肝酶、胆固醇、甘油三酯和总氧化状态更低（<0.001）。血清葡萄糖和蛋白质水平保持不变（>0.05）。添加组中生长激素和胰岛素样生长因子的mRNA表达上调（<0.001）。总之，源自不同益生菌的包封后生元（0.30%）单独或与菊粉（1.0%）联合使用对雄性肉鸡的生长性能、胴体性状和免疫力有积极影响。
