Lactobacillus acidophilus and Bacillus subtilis significantly change the growth performance, serum immunity and cecal microbiota of Cherry Valley ducks during the fattening period
文献类型： 外文期刊
作者： Zhang, Menghui 1 ; Yu, Anan 1 ; Wu, Hongzhi 3 ; Xiong, Xiaolan 4 ; Li, Jianhui 2 ; Chen, Li 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Anim Sci & Vet, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310000, Peoples R China
2.Shanxi Agr Univ, Coll Anim Sci, Jinzhong 030800, Peoples R China
3.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Insititute, Haikou, Peoples R China
4.Jiangxi Acad Agr Sci, Inst Anim Husb & Vet Med, Nanchang, Peoples R China
关键词： cecal microbiota; Cherry Valley duck; performance; probiotics
期刊名称：ANIMAL SCIENCE JOURNAL （ 影响因子：2.0； 五年影响因子：2.1 ）
ISSN： 1344-3941
年卷期： 2024 年 95 卷 1 期
页码：
收录情况： SCI
摘要： This study explored the effects of a Bacillus subtilis and Lactobacillus acidophilus mixture containing the co-fermented products of the two probiotics on growth performance, serum immunity and cecal microbiota of Cherry Valley ducks. This study included 480 one-day-old Cherry Valley ducks divided into four feeding groups: basal diet (control group) and basal diet supplemented with 300, 500, or 700 mg/kg of the probiotic powder; the ducks were raised for 42 days. Compared with the control group, body weight on day 42 and the average daily gain on days 15-42 significantly increased (p < 0.05), and the feed conversion rate significantly decreased (p < 0.05) in the experimental groups. Furthermore, the serum immunoglobulin (Ig) A, IgG, IgM, and interleukin (IL)-4 levels increased significantly (p < 0.05), and IL-1 beta, IL-2, and tumor necrosis factor-alpha decreased significantly (p < 0.05) in the experimental groups. Finally, Sellimonas, Prevotellaceae NK3B31 group, Lachnospiraceae NK4A136 group and Butyricoccus played an important role in the cecal microbiota of the experimental group. Thus, the probiotic powder has impacts on the growth performance, serum immunity and cecal microbiota of Cherry Valley Ducks.
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