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Effects ofBacillus licheniformis HDTN on growth performance and intestinal flora of '817' broilers
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Hongxia DING1, 2, 3, Chaoyang PAN4, Fancong MENG3, Pinpin CHEN1, 2, 3, Ping XU1, 2, 3, Jie WANG3, Xin FAN1, 2, 3, Shijie LI1, 2, 3, Zutao ZHOU1, 2, 3, Deshi SHI1, 2, 3, Yuncai XIAO1, 2, 3, *
Acta Microbiologica Sinica | 2024, 64(7) : 2479 - 2492
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Acta Microbiologica Sinica | 2024, 64(7): 2479-2492
• Research Articles •
Effects ofBacillus licheniformis HDTN on growth performance and intestinal flora of '817' broilers
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Hongxia DING1, 2, 3, Chaoyang PAN4, Fancong MENG3, Pinpin CHEN1, 2, 3, Ping XU1, 2, 3, Jie WANG3, Xin FAN1, 2, 3, Shijie LI1, 2, 3, Zutao ZHOU1, 2, 3, Deshi SHI1, 2, 3, Yuncai XIAO1, 2, 3, *
Affiliations
  • 1 National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, Hubei, China
  • 2 Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan 430070, Hubei, China
  • 3 College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, Hubei, China
  • 4 Hunan Baodong Agriculture and Animal Husbandry Co., Ltd., Shaoyang 422000, Hunan, China
Published: 2024-07-04 doi: 10.13343/j.cnki.wsxb.20230798
Outline
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The proposal of ban on antibiotics in feed is a turning point for the animal husbandry, marking that the feed industry and animal husbandry have entered a new stage of transformation and upgrading. [Objective] To investigate the effects of addingBacillus licheniformis HDTN to feed on the growth performance and intestinal flora of '817' broilers. [Methods] B.licheniformis HDTN powder (7.0×1010 CFU/g) was added to the feed for '817' broilers. The effects of high-, medium-, and low-dose (1 000, 500, and 250 g/t) bacterial addition on the growth performance, serum biochemical indexes, intestinal morphology, and intestinal flora structure of the '817' broilers during 1–56 days were studied, with the group without bacterial addition as the control. [Results] Compared with the control group, the addition of low-doseB.licheniformis HDTN increased the average body weight by 105.47 g (P < 0.01) and reduced the feed-to-weight ratio by 0.25 (P < 0.05) during days 1–35. The antioxidant indexes in the broiler serum were positively correlated with the dose of HDTN, which reduced oxidative stress in broilers. The content of malondialdehyde was negatively correlated with the dose of HDTN, which suggested that HDTN reduced cellular damage in broilers. The ratio of villus height to crypt depth in the duodenum of the low-dose group was higher than that of the control group (P < 0.01). In addition, compared with the control group, medium-dose (P < 0.01) and low-dose (P < 0.05) groups showed increased relative abundance ofFirmicutes, and the medium-dose group showed increased relative abundance ofBacteroides (P < 0.05). [Conclusion] Addition of low-doseB.licheniformis HDTN for '817' broilers can improve the growth performance, reduce the feed-to-weight ratio, improve the intestinal morphology, and accelerate the assembly of intestinal flora during days 1–35.

Bacillus licheniformis HDTN  /  '817' broiler  /  growth performance  /  intestinal flora
Hongxia DING, Chaoyang PAN, Fancong MENG, Pinpin CHEN, Ping XU, Jie WANG, Xin FAN, Shijie LI, Zutao ZHOU, Deshi SHI, Yuncai XIAO. Effects ofBacillus licheniformis HDTN on growth performance and intestinal flora of '817' broilers[J]. Acta Microbiologica Sinica, 2024 , 64 (7) : 2479 -2492 . DOI: 10.13343/j.cnki.wsxb.20230798
Funding
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  • Knowledge Innovation Program of Wuhan-Basic Research(2022020801010224)
  • Fundamental Research Funds for the Central Universities(2662022YJ004)
  • Innovative Job Funds of Agricultural Science and Technology of Hubei Province(2021-620-000-001-030)
  • Key Research and Development Plan of Hubei Province(2021BBA252)
Appendix
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Year 2024 volume 64 Issue 7
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81
35
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Article Info
doi: 10.13343/j.cnki.wsxb.20230798
  • Receive Date：2023-12-26
  • Online Date：2026-03-19
  • Published：2024-07-04
Article Data
Affiliations
History
  • Received：2023-12-26
  • Accepted：2024-03-26
Funding
Knowledge Innovation Program of Wuhan-Basic Research(2022020801010224)
Fundamental Research Funds for the Central Universities(2662022YJ004)
Innovative Job Funds of Agricultural Science and Technology of Hubei Province(2021-620-000-001-030)
Key Research and Development Plan of Hubei Province(2021BBA252)
Affiliations
    1 National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, Hubei, China
    2 Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan 430070, Hubei, China
    3 College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, Hubei, China
    4 Hunan Baodong Agriculture and Animal Husbandry Co., Ltd., Shaoyang 422000, Hunan, China

Corresponding:

*XIAO Yuncai, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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