添加益生元、益生菌和合成菌对肉仔鸡生产性能、消化率、血液参数和肠道微生物学的影响

Maha A Abd El Latif, M. Omar
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引用次数: 0

摘要

本研究旨在研究益生元、益生菌或益生菌与益生菌组合作为合成菌对肉鸡生长和屠宰产量、营养物质消化率、血清学指标及部分肠道细菌计数等生产指标的影响。选取120只1日龄青竹鸡,分为4个处理,每个处理30只。对照组1龄肉仔鸡饲喂不添加任何添加剂的发酵剂和生长剂。第二组(T2)在相同的对照组基础上添加5.00 g甘露寡糖(MOS)作为前期剂。第三组(T3)在对照组饲粮基础上添加1.00 g Inviva-pro(作为益生菌)。而第4只(T4)在1 ~ 20日龄和21 ~ 35日龄的发酵期和生长期饲粮中,分别饲喂在基础饲粮中添加5.00g甘露寡糖和1.00 g甘露寡糖(作为合成物)的混合饲粮。结果表明,益生菌组(T3)的活重和体增重平均值最高(P < 0.05),合成菌组(T4)的饲料效率最高(P < 0.05),各处理间采食量无显著变化。与其他处理相比,(T2)处理和(T3)处理的小肠和大肠细菌总数显著高于其他处理。T3(益生菌组)和T4(合成菌组)分别显著提高了肉仔鸡屠宰率和肝脏重量。各处理肉鸡各营养物质的消化率均无显著差异(P < 0.05)。各处理小鼠小肠和大肠乳酸菌数量均高于对照组(T1)。大肠菌群数量以小肠T4(合成)最高,大肠差异不显著。淀粉酶、脂肪酶和胰蛋白酶均以T3肉鸡最高。而胰凝乳酶活性以T4肉鸡最高。总蛋白、球蛋白、甘油三酯和嗜碱性粒细胞以合成肉鸡组最高(p小于0.01)。此外,益生菌组(T3)的葡萄糖和中性粒细胞值最高。计算出益生菌组的最高经济效益和相对经济效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PRODUCTIVE PERFORMANCE, DIGESTIBILITY, BLOOD PARAMETERS AND INTESTINE MICROBIOLOGY OF BROILER CHICKS AFFECTED BY PREBIOTIC, PROBIOTIC AND SYNBIOTIC ADDITION
The present work was deliberate to study effect of prebiotic, probiotic or combination of prebiotic and probiotic as synbiotic on productive measurements as growth and slaughter yield, digestibility of nutrients, blood indicates and some intestinal bacterial counts of broiler chicks. A total of 120Arbor Acresat one day of age chicks were classified into four treatments (30 birds each). Broilers in the control clutch (T1) were fed starter and grower diet without supplementations. The second group (T2) was fed the same control added with 5.00 g (MOS) mannanoligosaccharides (as prepiotic). The third group (T3) was fed the same control diet plus 1.00 g Inviva-pro (as probiotic). Whereas, the fourth one (T4) was fed basal diet supplemented with mixture of 5.00g mannanoligosaccharides plus 1.00 g Invivapro (as synbiotic) during starter and grower diet (from 1 to 20 and from 21 to 35 days old). The obtained data showed that the mean values of live body weight and body gain were highest (P < 0.05) for probiotic group (T3), feed effeciency was greatest (P < 0.05) in synbiotic group (T4) and feed intake had no significant changes among all treatments. The total count of bacteria in small and large intestine was significantly higher in treatment (T2) followed by (T3) as compared to the other treatments. Dressing yield percentage and liver weight significantly increased for broilers in T3 (probiotic) and T4 (synbiotic), respectively. There were no variances (P < 0.05) in digestibility of all nutrients for broilers in all treatments. Number of Lactobacilli in both small and large intestine was higher in all treatments than in the control (T1). In addition, The highest number of coliform was recorded in T4 (synbiotic) in small intestine with no significant differences in large intestine.. The highest values of amylase, lipase and trypsin were determined to T3 broilers. While, the highest value of chymotrypsin activity was recorded to T4 broilers. The highest (p˂0.01) total protein, globulin, triglycerides and basophils were recorded to synbiotic broilers group. In addition, probiotic group (T3) recorded the greatest values of glucose and neutrophils. Highest economic efficiency and relative economic efficiency were calculated to probiotic group.
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