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Use of biological nano zinc as a feed additive in quail nutrition: biosynthesis, antimicrobial activity and its effect on growth, feed utilisation, blood metabolites and intestinal microbiota
Italian Journal of Animal Science ( IF 2.2 ) Pub Date : 2021-02-17 , DOI: 10.1080/1828051x.2021.1886001
Fayiz M. Reda 1 , Mohamed T. El-Saadony 2 , Talaat K. El-Rayes 3 , Adel I. Attia 1 , Sabry A.A El-Sayed 4 , Sarah Y.A Ahmed 5 , Mahmoud Madkour 6 , Mahmoud Alagawany 1
Affiliation  

Abstract

A total of 200 1-week-old Japanese quails were randomly allocated into five treatment groups, each consisting of 40 unsexed birds (five replicates, eight birds each). Quails were reared in traditional cages (90 × 40 × 40 cm), and feed and water were made available throughout the 5-week trial. The treatment groups were as follows: the 1st was fed basal diet, whereas the 2nd, 3rd, 4th, and 5th groups were fed with ration supplemented with nano zinc (Zn-NPs) at doses of 0.1, 0.2, 0.3, and 0.4 g/kg diet, respectively. Results showed that, a significant (p ≤ .0001) improvement in body weight, weight gain, feed intake, and feed conversion ratio was observed in birds fed diets supplemented with 0.2 g/kg of Zn-NPs. Supplementation of Zn-NPs at doses of 0.1–0.3 g/kg diet demonstrated a positive impact on the activity of ALT, AST, and LDH. The liver profile parameters were not statistically influenced (p > .05) by dietary biological nano zinc, with the exception of total cholesterol (TC), high density lipoprotein (HDL), and low density lipoprotein (LDL). Also, dietary supplementation of biological Zn-NPs at concentrations of 0.1–0.3 g/kg diet demonstrated a positive impact on superoxide dismutase (SOD), glutathione peroxidase (GPX), malondialdehyde (MDA), immunoglobulin G (IgG), and immunoglobulin M (IgM). Dietary supplementation of Zn-NPs led to an increase in beneficial microbial populations. From the obtained results, Zn-NPs supplementation at 0.2 g/kg diet had a positive effect on the performance and physiological status of growing Japanese quails.

  • HIGHLIGHTS
  • Zinc (Zn) is an important trace element for the general functioning of the animal body.

  • A significant improvement in growth performance was observed in birds fed diet enriched with 0.2 g/kg of Zn-NPs.

  • Supplementation of Zn-NPs (0.1–0.3 g/kg diet) demonstrated a positive impact on immunity and antioxidant indices



中文翻译:

纳米锌作为饲料添加剂在鹌鹑营养中的用途:生物合成,抗菌活性及其对生长,饲料利用,血液代谢物和肠道菌群的影响

摘要

总共将200只1周龄的日本鹌鹑随机分为五个治疗组,每组由40只未性别的鸟组成(五只重复,每只八只鸟)。在传统的网箱(90×40×40 cm)中饲养鹌鹑,在整个5周的试验中,饲料和水均可用。治疗组如下:第1组以基础饮食喂养,而第2、3、4和5组以定量添加0.1、0.2、0.3和0.4 g的纳米锌(Zn-NPs)喂养。 / kg饮食。结果表明,一个显著(p ≤.0001)在饲喂添加了0.2 g / kg Zn-NPs的家禽中观察到体重,体重增加,采食量和饲料转化率得到改善。饮食中添加0.1–0.3 g / kg饮食中的Zn-NPs对ALT,AST和LDH的活性具有积极影响。肝轮廓参数不受统计影响(p > 0.05)的饮食生物纳米锌,总胆固醇(TC),高密度脂蛋白(HDL)和低密度脂蛋白(LDL)除外。此外,饮食中添加0.1-0.3 g / kg饮食的生物Zn-NPs对超氧化物歧化酶(SOD),谷胱甘肽过氧化物酶(GPX),丙二醛(MDA),免疫球蛋白G(IgG)和免疫球蛋白M具有积极影响(IgM)。膳食中锌-纳米颗粒的补充导致有益微生物种群的增加。从获得的结果来看,以0.2 g / kg的日粮添加Zn-NPs对生长的日本鹌鹑的性能和生理状况具有积极的影响。

  • 强调
  • 锌(Zn)是动物机体一般功能的重要微量元素。

  • 在饲喂富含0.2 g / kg Zn-NP的日粮中,观察到了生长性能的显着改善。

  • 补充Zn-NPs(0.1–0.3 g / kg饮食)对免疫和抗氧化指标有积极影响

更新日期:2021-02-17
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