作为肉的增长促进剂; 洞察其营养,分子,免疫组织病理学和微生物群调节效应
Samar H Abdelfatah1, Aya M Yassin2, Marwa S Khattab3
1Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Cairo, University, Giza, 12211, Egypt.
BMC veterinary research
|January 5, 2024
概括
螺旋藻 (SP) 补充剂改善了 brojler 的生长,料转化和肠道健康. 更高的SP剂量增强了抗氧化剂状态,免疫力和有益的肠道细菌,减少了负面的组织病理变化.
科学领域:
- 动物科学动物科学
- 禽类营养 养 禽类营养
- 微生物学 微生物学
背景情况:
- 肉生产在生长性能和肠道健康方面面临挑战.
- 螺旋藻 (SP) 是一种潜在的料添加剂,具有营养和生物活性特性.
- 了解SP对肉生理和微生物群的影响对于优化饮食至关重要.
研究的目的:
- 为了评估不同剂量的Spirulina platensis (SP) 对肉生长的影响.
- 评估SP对肠道健康,抗氧化生物标志物和肠道微生物群的影响.
- 调查SP对他的病理学和诱导性氧化合成酶 (iNOS) 表达的影响.
主要方法:
- 240只Cobb 500肉被分为四组,其中三组接受了SP的0.1%,0.3%或0.5%的饮食,而对照组接受了基础饮食.
- 测量了生长性能,免疫器官体重,抗氧化酶活性 (catalase,SOD,GPX) 和肠道屏障生物标志物 (FABP2).
- 分析了Cecal微生物群 (Lactobacillus),器官的组织病理学和 iNOS表达.
主要成果:
- 补充SP显著改善了体重增加 (BWG) 和料转化率 (FCR).
- 随着SP的加入,抗氧化能力,SOD,GPX和催化酶活动都增加了. 布尔萨的重量也增加了.
- SP减少了他的病理病变,减少了肠道iNOS表达,并增加了肠道Lactobacillus数量,特别是在0.5%的含量.
结论:
- 饮食补充Spirulina platensis (SP) 有积极影响肉的生产力和健康.
- 最佳的SP含量 (0.5%) 提高了生长,料效率,抗氧化剂状态,免疫力和肠道健康.
- SP显示出作为肉饮食中有益的添加剂的潜力,改善了整体性能和福祉.
相关概念视频
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.
Microbial Growth Media
Microbial growth media are essential tools in microbiology, providing the nutrients and conditions necessary to cultivate and study microorganisms. These media are categorized by their composition, consistency, and functional roles, enabling researchers to investigate microbial physiology, behavior, and interactions.Types and Consistencies of Growth MediaGrowth media can be solid, liquid, or semisolid. Solid media, often agar-based, allow visible colony growth for isolation and enumeration.
Microbes in Food Production
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
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...
Designing Growth Media for Bioreactors
Growth media provide essential nutrients that support cell growth and metabolism, thereby enhancing the yield of valuable products such as enzymes, antibiotics, and biomass. Designing an effective growth medium involves balancing all components to prevent nutrient limitations or toxic excesses, both of which can impair growth and reduce product yields.Composition of a Typical Growth MediumA typical growth medium contains carbon and nitrogen sources, salts, vitamins, trace elements, and...
Microbiota Modulation by Antibiotics
Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...


