水酸化剂对 brojlers 的生长性能,肠道功能和肠道微生物群的影响
1Department of Feed and Nutrition, Jiangsu Institute of Poultry Science, Yangzhou, China.
British poultry science
|February 3, 2025
概括
通过增加有益细菌和减少病原体,用Selko pH或Forticoat酸化 brojler饮用水改善了肠道健康. 虽然没有影响生长,但这些添加剂增强了 brojlers 的肠道形态和素活性.
科学领域:
- 动物科学动物科学
- 禽类的营养 养
- 胃肠道微生物学 胃肠道微生物学
背景情况:
- 优化胃肠功能和肠道健康对于肉的表现至关重要.
- 酸性饮用水被探索为调节家禽肠道健康的策略.
- 了解特定酸剂对肠道微生物群和形态的影响至关重要.
研究的目的:
- 评估Selko pH和Forticoat作为酸性饮用水添加剂对肉胃肠功能和肠道健康的影响.
- 评估这些治疗对性能参数,肠道形态和白内障微生物群组成的影响.
主要方法:
- 630只Arbor Acre肉被分为三个组:控制 (CON),Selko pH和堡垒.
- 处理涉及向饮用水添加特定度的Selko pH或Forticoat.
- 性能数据,肠道测量和消化器样本是在21岁和42岁时收集的.
主要成果:
- 酸性水没有显著影响体重或平均每日增益 (ADG).
- 堡垒增加了料转化率 (FCR) 和素活性; 塞尔科pH和堡垒增加了相对肠道长度 (十二指肠,阴茎,阴).
- 塞尔科 (Selko) 的pH补充剂显著增加了阴中的有益细菌 (例如,布劳蒂亚,Bifidobacterium) 和减少了病原体 (例如,Escherichia Shigella).
结论:
- 用Selko pH和Forticoat补充肉饮用水可以改善肠道健康.
- 这些添加剂对肠道形态,素活性和白内障微生物平衡产生积极影响.
- 酸性饮用水显示出改善肉肠道健康管理的潜力,而不会影响生长.
相关概念视频
01:27Microorganisms 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...
01:29Factors Influencing Microbial Growth: pH
Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...
01:28Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
01:25Production of Organic Acids
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
01:27Microbiota of the Stomach and Small Intestine
The human gastrointestinal (GI) tract is characterized by distinct physicochemical conditions that shape its microbial communities. Among these, the stomach presents a particularly challenging environment for microbial colonization due to its highly acidic pH, ranging from 1 to 3. This extreme acidity effectively limits microbial density. However, certain acid-tolerant microorganisms are capable of surviving in this niche. Notably, Helicobacter pylori can colonize the gastric mucosa,...
01:21Microbiota 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...