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Assessment of Probiotic Properties of Lactobacillus salivarius Isolated From Chickens as Feed Additives

  • 2020-07-17
  • Frontiers in Veterinary Science 7
    • Jian Wang
    • M. Ishfaq
    • Yuesheng Guo
    • Chunli Chen
    • Jichang Li

Abstract

The continued use of sub-therapeutic antibiotics as feed additives in the poultry industry improved health and growth performance. However, the resulting antibiotic resistance increasingly becomes a major threat to public health. Probiotics are promising alternatives for the antibiotics used in poultry industry. The aim of this study was to evaluate the probiotic properties of Lactobacillus salivarius as feed additive in chickens. White leghorn chickens were randomly assigned to experimental groups. Effects of Lactobacillus salivarius supplementation on growth performance, resistance to Escherichia coli O78 challenge and heat-stress, and immune response after vaccinated with attenuated infectious bursal disease virus (IBDV) vaccine were determined. The results showed that Lactobacillus salivarius supplementation improved growth performance, such as weight and longer shank length, increased relative weights of the immune organs and decreased concentrations of odor-causing compounds. In addition, Lactobacillus salivarius supplementation alleviated organ injury caused by Escherichia coli O78 challenge and heat stress. Furthermore, Lactobacillus salivarius results in enhanced immune response after IBDV vaccine immunization, enhanced specific antibody and IFN-γ production, and lymphocyte proliferation. Our results revealed a tremendous potential of Lactobacillus salivarius as antibiotics' substitute in poultry production.

Keywords: Escherichia coli; Lactobacillus salivarius; growth performance; heat stress; oxidative stress.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus SalivariusEnhanced Immune Response After IBDV VaccinationBeneficial
Large
Lactobacillus SalivariusImproved Growth PerformanceBeneficial
Large
Lactobacillus SalivariusIncreased Relative Weight of Immune OrgansBeneficial
Moderate
Lactobacillus SalivariusReduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus SalivariusReduced Organ Injury from Escherichia coliBeneficial
Large
Lactobacillus salivarius BLIS K12Alleviated Organ InjuryBeneficial
Large
Lactobacillus salivarius BLIS K12Improved Growth PerformanceBeneficial
Large
Lactobacillus salivarius BLIS K12Improved Immune ResponseBeneficial
Large
Lactobacillus salivarius BLIS K12Increased Relative Weight of Immune OrgansBeneficial
Moderate
Lactobacillus salivarius BLIS K12Reduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius CRL 1328Enhanced Immune Response After IBDV VaccinationBeneficial
Large
Lactobacillus salivarius CRL 1328Improved Growth PerformanceBeneficial
Large
Lactobacillus salivarius CRL 1328Increased Relative Weight of Immune OrgansBeneficial
Moderate
Lactobacillus salivarius CRL 1328Reduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius HA-118Alleviated Organ Injury from E. coli O78Beneficial
Large
Lactobacillus salivarius HA-118Alleviated Organ Injury from Heat StressBeneficial
Large
Lactobacillus salivarius HA-118Enhanced Immune Response After IBDV VaccinationBeneficial
Large
Lactobacillus salivarius HA-118Improved Growth PerformanceBeneficial
Large
Lactobacillus salivarius HA-118Increased Relative Weight of Immune OrgansBeneficial
Moderate
Lactobacillus salivarius HA-118Reduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius SD-5208Improved Immune ResponseBeneficial
Large
Lactobacillus salivarius SD-5208Increased Relative Weight of Immune OrgansBeneficial
Moderate
Lactobacillus salivarius SD-5208Reduced Organ Injury from Escherichia coliBeneficial
Large
Lactobacillus salivarius SD-5208Reduced Organ Injury from Heat StressBeneficial
Large
Lactobacillus salivarius SD-5851Improved Growth PerformanceBeneficial
Large
Lactobacillus salivarius SD-5851Improved Immune ResponseBeneficial
Large
Lactobacillus salivarius SD-5851Reduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius SD-5851Reduced Organ InjuryBeneficial
Large
Lactobacillus salivarius UALb-07Alleviated Organ Injury from Heat StressBeneficial
Large
Lactobacillus salivarius UALb-07Improved Growth PerformanceBeneficial
Large
Lactobacillus salivarius UALb-07Improved Immune ResponseBeneficial
Large
Lactobacillus salivarius UALb-07Increased Relative Weight of Immune OrgansBeneficial
Moderate
Lactobacillus salivarius UALb-07Reduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius UALb-07Reduced Organ Injury from Escherichia coliBeneficial
Large
Lactobacillus salivarius UALs07Alleviated Organ InjuryBeneficial
Large
Lactobacillus salivarius UALs07Improved Growth PerformanceBeneficial
Large
Lactobacillus salivarius UALs07Improved Immune ResponseBeneficial
Large
Lactobacillus salivarius UALs07Increased Organ WeightsBeneficial
Moderate
Lactobacillus salivarius UALs07Reduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius UALs07 UASEnhanced Immune Response to Vaccine for Infectious Bursal Disease Virus (IBDV)Beneficial
Moderate
Lactobacillus salivarius UALs07 UASImproved Immune Organ DevelopmentBeneficial
Moderate
Lactobacillus salivarius UALs07 UASReduced Odor-Causing Compound ConcentrationsBeneficial
Moderate
Lactobacillus salivarius UALs07 UASReduced Organ Injury from Escherichia coliBeneficial
Large
Lactobacillus salivarius UALs07 UASReduced Organ Injury from Heat StressBeneficial
Large
Lactobacillus salivarius VPro 15Enhanced Immune Response Following IBDV VaccinationBeneficial
Large
Lactobacillus salivarius VPro 15Increased Relative Weight of Immune OrgansBeneficial
Moderate

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