相关实验视频
Updated: May 15, 2025

10:07
Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds
Published on: November 6, 2015
13.4K
蒙贾尔羊的生理反应在亚热带气候下温度湿度指数的变化
Sunil Kumar1, Ankit Magotra2, Narender Kumar3
1Department of Livestock Farm Complex, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, Haryana, India. sunnydayzz92@gmail.com.
Tropical animal health and production
|April 8, 2025
概括
蒙贾尔羊在炎热的天气中经历了更高的直肠温度,呼吸率和脉率. 这些生理变化与温度湿度指数 (THI) 相相关,表明在亚热带气候中需要热应激管理.
科学领域:
- 动物生理学 动物生理学
- 环境科学 环境科学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 热应激显著影响牲畜的健康和生产力.
- 了解对环境因素的生理反应,如温度湿度指数 (THI),对于缓解策略至关重要.
- 位于亚热带地区的蒙贾尔羊因气候而面临着独特的挑战.
研究的目的:
- 为了研究关键的生理参数 (直肠温度,呼吸率,脉率) 和蒙贾尔羊的THI之间的关系.
- 评估这些生理参数的日间变化.
- 为开发有效的热应激管理策略提供数据.
主要方法:
- 收集了29只雌性Munjal羊的一年多的生理数据 (直肠温度,呼吸率,脉率).
- 数据采集发生在15天间隔,在早上和下午采样期间.
- 进行了统计分析,以确定生理参数和THI之间的相关性.
主要成果:
- 在下午与早晨相比,直肠温度,呼吸率和脉率显著更高.
- 观察到THI与羊羔的直肠温度/呼吸速率以及成年人的呼吸速率/脉速率之间存在显著的正相关性.
- 年轻的羊羔对THI升高的生理反应特别高.
结论:
- 蒙贾尔羊在高THI时期的生理参数升高凸显了它们对热应激的敏感性.
- 年轻的羔羊在炎热的天气中需要额外的照顾,因为它们的生理反应较强.
- 有针对性的管理实践对于确保在亚热带气候下Munjal羊的福利和生产力至关重要.
相关概念视频
Responses to Heat and Cold Stress
13.3K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.3K
Requirements for Human Life
7.4K
The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
7.4K
Responses to Salt Stress
12.8K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
12.8K
Factors Affecting Body Temperature
3.6K
As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may include:
Factors may include:
3.6K
Adaptations that Reduce Water Loss
25.0K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.0K
Body Temperature
848
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
848

