Frontiers in Veterinary Science, Journal Year: 2025, Volume and Issue: 12
Published: April 24, 2025
The aim of this study was to investigate effect Bacillus subtilis (BS), yeast cell wall (YCW), and their combination on intestinal bone development egg production young hens. A total 160, one-day-old Hy-Line Sonia chicks were randomly allocated into 4 treatments 8 replicate cages 5 birds each. Treatments arranged in a 2 (0 0.5 g/kg BS) × YCW) factorial arrangement for duration 170-d as follows: (1) regular diet (Control group); (2) the plus g BS/kg (BS (3) YCW/kg (YCW (4) + YCW group). One bird from each per treatment taken sampling at d 110 170, respectively. Results indicated that there different effects BS organ innate immune. supplementation increased thymus index serum concentrations IgM hens (p < 0.05). In addition, an interaction observed between age IL-6 0.05), mainly because had highest concentration 110. Dietary with reduced crypt depth duodenum jejunum ratio villus height 0.05) duodenum, jejunum, ileum. However, jejunal existed, non-YCW lowest 170 Both enhanced weight, eggshell thickness yolk color while improved albumen Haugh unit There no measured parameters except lager tibial diameter 170. results indicate dietary and/or improve immune status hens, which may contribute quality during early sexual maturity stage.
Language: Английский
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The Journal of Applied Poultry Research, Journal Year: 2025, Volume and Issue: unknown, P. 100543 - 100543
Published: May 1, 2025
Language: Английский
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Language: Английский
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