提升香精油和Bacillus subtilis对肉免疫功能,肠道形态和生长表现的增强作用
Yehia El-Sayed1, Waleed Khalil1, Nada Fayez2
1Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
BMC veterinary research
|March 23, 2024
概括
Oregano 精油 (OEO) 和 Bacillus subtilis 显著改善了 brojler 的生长和免疫力. 这些天然料添加剂增强了体重增加,料转化率和免疫反应,为抗生素提供了替代品.
科学领域:
- 动物科学动物科学
- 免疫学 免疫学 免疫学
- 营养 营养 营养 营养 营养
背景情况:
- 由于对耐药性的担忧,家禽生产中的抗生素使用正在受到审查.
- 探索天然料添加剂,如香精油 (OEO) 和细菌细菌对于可持续的家禽养殖至关重要.
- 了解它们对 brojler 性能和免疫力的影响是必不可少的.
研究的目的:
- 评估OEO和B. subtilis作为料添加剂对 brojler的表现的影响.
- 评估免疫学参数,包括血液学,细胞化,淋巴细胞增殖和抗体反应.
- 分析肠道组织形态测量测量及其与生长和免疫的相关性.
主要方法:
- 150只雄性肉仔被分为三个组:对照组,OEO补充组和B. subtilis补充组.
- 饮食持续28天,每周记录生长表现.
- 血液样本在6日,18日和28日收集,用于免疫学测定和肠道组织学分析.
主要成果:
- OEO和B. subtilis都显著改善了体重增加和降低了料转换比率 (FCR).
- 补充剂增加了血液学参数,细胞活性和血清抗体标位.
- OEO增强了淋巴细胞的增殖,而这两种添加剂都对肠道小的长度和宽度产生了积极的影响.
结论:
- 细菌细菌和香精油是有效的料添加剂,可以增强肉的生长和免疫力.
- 这些天然替代品显示出在家禽饮食中替代抗生素增长促进剂的潜力.
- 进一步的研究可以优化包括水平,以获得最大的疗效.
相关概念视频
Defense Against Bacterial Pathogens
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Microorganisms in Agriculture and Food industry
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
Microorganisms in Medicine and Therapeutics
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
Probiotics
Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
Production of Biopesticides
Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...
Functions of the Gut Microbiota
The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...


