相关实验视频
Updated: Feb 10, 2026

08:10
Measuring Glutathione-induced Feeding Response in Hydra
Published on: November 16, 2014
11.7K
晚期的自由养可以扭转早期养限制引起的肉免疫缺陷
Fang Wang1, Jiaqi Feng1, Zhenxin Zhu1
1Bingtuan Key Laboratory for Efficient Utilization of Non-Grain Feed Resources, College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China.
iScience
|February 9, 2026
概括
早期对 brojlers 的料限制降低了生长和免疫力,但随后的自由养 (ADF) 逆转了这些影响. ADF促进肠道健康和免疫恢复,提供一个具有成本效益的肉生产策略.
科学领域:
- 动物科学动物科学
- 禽类的营养 养
- 肠道微生物组研究研究
背景情况:
- 限制养策略可以降低肉生产的成本.
- 早期料限制 (EFR) 可能会对肉的健康和表现产生负面影响.
- 了解EFR的恢复机制对于优化养方案至关重要.
研究的目的:
- 调查EFR不同持续时间,随后随意养 (ADF) 对 brojler生长,健康和肠道参数的影响.
- 确定ADF是否可以减轻EFR的负面影响.
- 阐明肠道微生物群和Wnt/β-catenin通路在EFR恢复中的作用.
主要方法:
- 四百八十只雄牛肉接受了21天的EFR,每天访问时间各不相同 (24,20,16或12小时).
- 在EFR之后,肉被任意养,直到70天大.
- 分析了生长表现,Fabricius指数的股票,肠道Wnt/β-catenin信号,炎症反应,肠道微生物群组成和黄油酸水平.
主要成果:
- EFR显著降低了体重,平均每日增长,料摄入量和Fabricius指数.
- EFR抑制了肠道Wnt/β-catenin通路,并增强了炎症反应.
- 随后的ADF扭转了这些负面影响,恢复了生长和免疫指数.
- ADF增加了黄油酸和酸盐生产细菌,激活了Wnt/β-catenin通路,并丰富了有益的肠道菌群.
结论:
- 随意养有效缓解EFR诱导的炎症,并促进肉的免疫恢复.
- 肠道微生物群和Wnt/β-catenin通路是EFR后恢复过程中的关键调解者.
- 这种养策略为肉生产提供了一种可行且具有成本效益的方法,而不会损害动物健康.
相关概念视频
Enteral Nutrition I: Orogastric and Nasogastric Feeding
1.6K
Enteral nutrition delivers nutrients directly to the stomach or small intestine through a tube. This method is appropriate for patients who cannot eat but still have a functioning digestive system. It is also beneficial for individuals with swallowing difficulties, anorexia, malabsorption, or those who have undergone gastrointestinal (GI) surgery.
Orogastric (OG) and nasogastric (NG) feeding are two standard methods used for enteral nutrition. Enteral nutrition is often preferred over...
Orogastric (OG) and nasogastric (NG) feeding are two standard methods used for enteral nutrition. Enteral nutrition is often preferred over...
1.6K
Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding
1.1K
Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube...
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube...
1.1K
Restriction Enzymes
36.3K
Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
36.3K
What is the Immune System?
131.2K
Overview
131.2K
Attention-Deficit/Hyperactivity Disorder
1.0K
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
1.0K
Cardiomyopathy IV: Restrictive Cardiomyopathy
580
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
580

