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Isolation of Some Lactic Acid Bacteria from Poultry and Evaluation for Their Probiotic Features

Article

Last updated: 24 Dec 2024

Subjects

-

Tags

Microbiology

Abstract

The ban on the use of antibiotics as growth promoters for poultry production in many countries has led to increasing interest to use probiotics as a promising alternative. Thus, the aim of this study is to isolate, screen and identify probiotics from poultry intestines, and to select probiotic candidates for subsequent in vivo experiment. A total of 60 lactic acid bacterial isolates were recovered from 21 to 42 days-old chickens onto De Man, Rogosa and Sharpe agar plates, then screened for their probiotic features using eleven in vitro assays. Among 60 LAB isolates, only three (SI5, IL22, and CE55) showed excellent probiotic features such as cell surface hydrophobicity, pH tolerance, survival in bile salts, cholesterol assimilation, NaCl tolerance, auto-aggregation, co-aggregation, hemolytic activity, antimicrobial activity, and lysozyme resistance as well as antibiotic susceptibility tests. The FASTA homology showed that the16S rRNA gene sequences of the selected isolates had 95.45, 99.88 and 100% nucleotide similarity with that of Enterococcus faecium NBRC 100486, E. faecium NBRC 100486 and E. faecium DSM 20477strains, respectively. Our results also suggest that new three strains have potential for future application as probiotic in health promoting foods and have the potential to enhance the immunity of infant against invading pathogenic microbes.

DOI

10.21608/assjm.2024.247961.1254

Keywords

lactic acid bacteria, Enterococcus, Poultry, Antibiotic sensitivity, antimicrobial activity

Authors

First Name

Eman

Last Name

Darwish

MiddleName

Elsayed

Affiliation

Agric. Microbiology Dept., Fac. Agric. Moshtohor, Benha Univ., Egypt

Email

eman.elsayed@fagr.bu.edu.eg

City

Toukh

Orcid

-

Volume

61

Article Issue

3

Related Issue

46543

Issue Date

2023-09-01

Receive Date

2023-11-11

Publish Date

2023-09-01

Page Start

701

Page End

720

Print ISSN

1110-0419

Online ISSN

2974-4830

Link

https://assjm.journals.ekb.eg/article_355035.html

Detail API

https://assjm.journals.ekb.eg/service?article_code=355035

Order

355,035

Type

Original Article

Type Code

841

Publication Type

Journal

Publication Title

Annals of Agricultural Science, Moshtohor

Publication Link

https://assjm.journals.ekb.eg/

MainTitle

Isolation of Some Lactic Acid Bacteria from Poultry and Evaluation for Their Probiotic Features

Details

Type

Article

Created At

24 Dec 2024