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Abstract Title:

Dietary inclusion of mushroom (Flammulina velutipes) stem waste on growth performance and immune responses in growing layer hens.

Abstract Source:

J Sci Food Agric. 2019 Jan 30 ;99(2):703-710. Epub 2018 Aug 13. PMID: 29971802

Abstract Author(s):

Shad Mahfuz, Hui Song, Yue Miao, Zhongjun Liu

Article Affiliation:

Shad Mahfuz

Abstract:

BACKGROUND: Medicinal mushrooms contain biologically active substances that can be used as an immune-modulating agent in poultry. The present study aimed to investigate the effects of Flammulina velutipes mushroom waste (FVW) on performance, immune response and serum immunity in growing layer hens.

RESULTS: No significant differences (P>0.05) were observed with respect to average daily feed intake, body weight gain and feed conversion ratio among the experimental groups during the entire study period (1-70 days). Antibody titers against Newcastle disease and infectious bronchitis were higher (P<0.05) in the FVW fed groups than in the control and antibiotic groups. On day 28, serum immunoglobulin (Ig)A and IgG were higher (P<0.05) in the 6% FVW group than in the control and antibiotic fed groups. On day 70, serum IgA was higher (P<0.05) in FVW fed groups than in the control group; IgG was higher (P<0.05) in the FVW groups than in the control and antibiotic groups. However, IgM was higher (P<0.05) in both the 4% and 6% FVW groups than in the control and antibiotic groups for both experimental periods. Serum cytokine interleukin (IL)-2 and tumor necrosis factor-α concentrations were significantly higher (P<0.05) in both the 4% and 6% FVW grousp than in the control and antibiotic groups; IL-4 was significantly higher (P<0.05) in the FVW groups than in the control group; and IL-6 was significantly higher (P<0.05) in the 6% FVW group than in the control and antibiotic groups.

CONCLUSION: FVW at the 6% level can be used as a potential phytogenic feed stuff in growing layer hen rations with respect to improving the immune response without affecting normal weight gain.© 2018 Society of Chemical Industry.

Study Type : Animal Study

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