幼龄肉鸡体内天然束状和晶体束状分解的坡缕石:比较研究。

IF 2.5 2区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Zichao Tan, Yueping Chen, Chao Wen, Aiqin Wang, Yanmin Zhou
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引用次数: 0

摘要

目的:比较饲粮中添加天然斜晶石(natt - pal)和晶体束分解斜晶石(Dis-Pal)对仔鸡生长性能、肠道健康和消化功能的影响。方法:选取1日龄爱拔益加肉鸡400只,随机分为5个试验组,每组8个重复,试验期14 d。各组分别饲喂基础饲粮(对照组)、在基础饲粮中添加10 g/kg natal或2.5、5和10 g/kg disl - pal的试验饲粮。结果:在第1 ~ 14天,diss - pal可线性提高肉仔鸡的平均体重和平均日增重,降低料重比,其中以5 ~ 10 g/kg的效果最为显著(P < 0.05)。添加di - pal可使血清葡萄糖水平线性升高(P < 0.05),甘油三酯水平线性降低(P < 0.05)。与对照组相比,5 g/kg disi - pal组提高了粗蛋白质和干物质消化率,提高了空肠食糜胰蛋白酶、脂肪酶和淀粉酶活性,提高了空肠和回肠绒毛高度与隐窝深度之比(P < 0.05)。disi - pal可线性提高回肠黏膜谷胱甘肽和总抗氧化能力水平,以及总超氧化物歧化酶和过氧化氢酶活性,其中添加10 g/kg的效果最好(P < 0.05)。与对照组相比,2.5 ~ 10 g/kg di - pal可显著降低回肠黏膜干扰素-γ和肿瘤坏死因子-α水平(P < 0.05)。此外,添加Dis-Pal可线性提高空肠黏膜白细胞介素-10、分泌性免疫球蛋白A和免疫球蛋白M水平,降低干扰素-γ水平,二次提高总超氧化物歧化酶和过氧化氢酶活性(P < 0.05)。结论:饲粮中添加Dis-Pal可改善仔鸡生长性能,改善肠道健康,提高营养物质消化率。肉鸡饲粮中添加Dis-Pal比添加Nat-Pal更有利,其最佳添加量为5 g/kg。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Natural and crystal bundles disaggregated palygorskite in young broilers: A comparison study.

Objective: : This study aimed to compare the effects of natural palygorskite (Nat-Pal) and crystal bundles disaggregated palygorskite (Dis-Pal) supplementation on the growth performance, intestinal health, and digestive function of young broilers.

Methods: : A total of 400 male Arbor Acres broilers (one-day-old) were randomly assigned to five experimental groups with eight replicates over a 14-day experimental period. Chicks were fed a basal diet (Control group), the basal diet supplemented with 10 g/kg Nat-Pal or 2.5, 5, and 10 g/kg Dis-Pal, respectively.

Results: : Dis-Pal linearly increased average body weight and average daily gain, and decreased feed to gain ratio of broilers from days 1 to 14, with the 5-10 g/kg Dis-Pal showing the most pronounced effects (P < 0.05). An addition of Dis-Pal linearly increased glucose level, and decreased triglyceride level in serum (P < 0.05). Compared to the control group, 5 g/kg Dis-Pal increased the digestibility of crude protein and dry matter, enhanced trypsin, lipase, and amylase activities in jejunal digesta, and elevated the ratio between villus height and crypt depth in jejunum and ileum (P < 0.05). Dis-Pal linearly increased ileal mucosal glutathione and total antioxidant capacity levels, as well as total superoxide dismutase and catalase activities, with 10 g/kg Dis-Pal addition showing the best effects (P < 0.05). The 2.5-10 g/kg Dis-Pal decreased the interferon-γ and tumor necrosis factor-α levels in ileal mucosa compared to the control group (P < 0.05). Moreover, Dis-Pal supplementation linearly increased interleukin-10, secretory immunoglobulin A, and immunoglobulin M levels, and decreased the interferon-γ level, quadratically increased total superoxide dismutase and catalase activities in jejunal mucosa (P < 0.05).

Conclusion: : Dietary Dis-Pal supplementation could improve growth performance, intestinal health, and enhance the nutrients digestibility of young broilers. Supplementation with Dis-Pal was more advantageous for broilers than its Nat-Pal, and its optimal dosage was 5 g/kg.

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来源期刊
Animal Bioscience
Animal Bioscience AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
5.00
自引率
0.00%
发文量
223
审稿时长
3 months
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