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Effects of Lactobacillus Alone and in Combination With Saccharomyces as Alternatives to Antibiotics on Performance and Immunity in Laying Hens.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος: Effects of Lactobacillus Alone and in Combination With Saccharomyces as Alternatives to Antibiotics on Performance and Immunity in Laying Hens.
Συγγραφείς: Alam MJ; Department of Animal Production and Management, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh., Ahmed ST; Department of Poultry Science, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh., Islam MS; Department of Animal Production and Management, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh., Islam M; Department of Microbiology & Parasitology, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh., Ali MM; Department of Animal Production and Management, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh., Lee SS; Department of Animal Science & Technology, Sunchon National University, Suncheon, South Korea.
Πηγή: Veterinary medicine and science [Vet Med Sci] 2026 Sep; Vol. 12 (5), pp. e71120.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: John Wiley & Sons Ltd Country of Publication: England NLM ID: 101678837 Publication Model: Print Cited Medium: Internet ISSN: 2053-1095 (Electronic) Linking ISSN: 20531095 NLM ISO Abbreviation: Vet Med Sci Subsets: MEDLINE
Imprint Name(s): Original Publication: [Oxford] : John Wiley & Sons Ltd., [2015]-
Ιατρικοί όροι (MeSH): Chickens*/immunology , Chickens*/physiology , Chickens*/microbiology , Probiotics*/administration & dosage , Probiotics*/pharmacology , Saccharomyces cerevisiae*/chemistry , Lactiplantibacillus plantarum*/chemistry , Immunity, Innate*/drug effects, Animal Feed/analysis ; Diet/veterinary ; Anti-Bacterial Agents/administration & dosage ; Animals ; Female ; Random Allocation
Περίληψη: Background: The removal of antibiotics from poultry feed has created substantial challenges in commercial layer farming, underscoring the need for safe and sustainable alternatives to safeguard flock health and ensure consumer egg safety.
Objectives: This study investigated the effects of Lactobacillus plantarum alone and in combination with Saccharomyces cerevisiae as alternatives to antibiotics on laying performance, egg quality, blood parameters, immune competence and caecal microbial populations in layer chickens.
Methods: Experimental microorganisms were isolated from yoghurt and fermented corn dough, and two probiotic formulations were prepared: Probiotic 1 (L. plantarum) and Probiotic 2; L. plantarum + S. cerevisiae). A total of 240 Isa Brown pullets were randomly allocated to four treatments, each with five replicates of twelve birds. The treatments were T1 (control), T2 (flavomycin; 14 mg/L water), T3 (Probiotic 1; 1 mL/L water) and T4 (Probiotic 2; 1 mL/L water).
Results: Supplementation with either probiotics (T3 and T4) significantly increased hen-day egg production, egg weight and egg mass, while improving feed conversion ratio (FCR). The egg surface area and shell thickness were also significantly higher in the T3 and T4 groups. Among internal egg quality traits, albumen index, yolk weight and Haugh unit values were significantly improved by T3 and T4. Dietary T2 significantly reduced the white blood cell (WBC) and haemoglobin (Hb) concentrations, whereas T3 and T4 increased WBC counts and reduced blood cholesterol level (BCL) in laying hens. All treated groups exhibited significantly greater Newcastle disease virus (NDV) titre compared to T1. The T2 group showed the lowest total bacterial count, whereas T3 and T4 groups had significantly reduced coliform and enhanced lactic acid bacteria populations in the caecum.
Conclusion: Lactobacillus alone or combined with S. cerevisiae can effectively replace antibiotics in commercial layer production by improving laying performance, egg quality, immunity and gut microbiota.
(© 2026 The Author(s). Veterinary Medicine and Science published by John Wiley & Sons Ltd.)
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Grant Information: 37.20.0000.004.033.005.2014.1328/1(10) Ministry of Education, Government of the People's Republic of Bangladesh
Contributed Indexing: Keywords: Lactobacillus; Saccharomyces cerevisiae; egg production; immunity; layer chicken
Substance Nomenclature: 0 (Anti-Bacterial Agents)
Entry Date(s): Date Created: 20260805 Date Completed: 20260805 Latest Revision: 20260824
Update Code: 20260825
PubMed Central ID: PMC13439514
DOI: 10.1002/vms3.71120
PMID: 42554067
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:2053-1095
DOI:10.1002/vms3.71120