Poult Sci
Key Laboratory of Conservation and Utilization of Biological Resources in the Tarim Basin, Alar, Xinjiang 843300, China; College of Life Science and Technology, Tarim University, Alar, Xinjiang 843300, China. Electronic address:
Published: January 2025
This study investigated the probiotic potential of lactic acid bacteria (LAB) strains isolated from the intestines of quails during the late egg-laying period. Eight LAB strains were examined for their tolerance to acid and bile salts, antibiotic susceptibility, self-aggregation, hydrophobicity, and antibacterial activity. Among these, E. lactis TRM58998 demonstrated the most favorable characteristics, including robust resistance to acid and bile, as well as significant antimicrobial properties. In a 30-day feeding trial, 96 quails (43 weeks old) were divided into two groups: a control group receiving a basal diet and a treatment group supplemented with 1.0 × 10 CFU/g of E. lactis TRM58998. The quails in the probiotic group showed a significant increase in egg production, average egg weight (P < 0.05), and enhanced eggshell quality (P < 0.01). Additionally, the treatment improved antioxidant capacity and stimulated ovarian follicle development, as indicated by elevated follicle-stimulating hormone (FSH) levels (P < 0.05). These findings suggest that E. lactis TRM58998 can effectively enhance quail performance, egg quality, and antioxidant status, underscoring its potential for promoting sustainable practices in quail farming.
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http://dx.doi.org/10.1016/j.psj.2025.104765 | DOI Listing |
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