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156585

Evaluation of Bacillus subtilis spores probiotic as an antibiotic alternative to protect broiler chickens against pathogenic E.coli and Clostridum perfringens

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Last updated: 03 Jan 2025

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Abstract

This study was conducted to evaluate the efficacy of Bacillus subtilis spores probiotic as an alternative to antibiotic growth promoter by monitoring its effect on broiler chickens performance and determination of the intestinal bacterial count. Three experimental trials were conducted on 480 broiler chickens, 160 birds per each one, four treatments (40 birds) with four replicates (10 broilers per pen). In the first experimental trial; T1: control group (supplemented with basal diet) was compared against T2: supplemented with basel diet + amoxicillin 50% as an antibiotic growth promoter, T3: supplemented with basal diet + Bacillus subtilis spores probiotic and T4: supplemented with basal diet + both antibiotic and probiotic together. An improvement was recorded in feed conversion ratio (FCR) on 42-days-old broiler chickens supplemented with Bacillus subtilis spores probiotic (T3) when compared with the other groups. Reduction in E.coli count in T2 and T3 was observed. Notable reduction in clostridium perfringens count in T3 compared to others. Treatments of the second and third experiment were: T1: unmedicated, unchallenged group: control, T2: unmedicated, challenged group, T3: medicated with amoxicillin 50%, challenged group, T4: medicated with Bacillus subtillis spores probiotic, challenged group, challenge was done with E.coli and Clostridium perfringens in the second and third experiment respectively. The results demonstrated a reduction in E.coli and Clostridium perfringens count in treatment supplemented with Bacillus subtilis spores probiotic (T4) and also show a better FCR in both experiments. The current study concluded that the Bacillus subtilis spores probiotic could replace antibiotic growth promoter under investigation with better FCR and lower intestinal bacterial pathogens count.

DOI

10.21608/vmjg.2019.156585

Keywords

Broilers, probiotic, amoxicillin, E.coli, Clostridum perfriengens

Authors

First Name

Dina

Last Name

Abo El-Soud

MiddleName

-

Affiliation

Veterinarian

Email

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City

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Orcid

-

First Name

Soliman

Last Name

Ahmed

MiddleName

-

Affiliation

Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University

Email

-

City

-

Orcid

-

First Name

Heba

Last Name

Salem

MiddleName

-

Affiliation

Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University

Email

-

City

-

Orcid

-

First Name

Ayman

Last Name

Tolba

MiddleName

-

Affiliation

Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University

Email

-

City

-

Orcid

-

First Name

Ahmed

Last Name

Samir

MiddleName

-

Affiliation

Department of Microbiology, Faculty of Veterinary Medicine, Cairo University

Email

ahmed.samir@cu.edu.eg

City

-

Orcid

-

Volume

65

Article Issue

1

Related Issue

23093

Issue Date

2019-12-01

Receive Date

2019-01-01

Publish Date

2019-12-01

Page Start

1

Page End

9

Print ISSN

1110-1423

Online ISSN

2537-1045

Link

https://vmjg.journals.ekb.eg/article_156585.html

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https://vmjg.journals.ekb.eg/service?article_code=156585

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Original Article

Type Code

544

Publication Type

Journal

Publication Title

Veterinary Medical Journal (Giza)

Publication Link

https://vmjg.journals.ekb.eg/

MainTitle

Evaluation of Bacillus subtilis spores probiotic as an antibiotic alternative to protect broiler chickens against pathogenic E.coli and Clostridum perfringens

Details

Type

Article

Created At

22 Jan 2023