商业相关干扰对产母睡眠行为的影响
Endre Putyora1,2, Sarah Brocklehurst3, Victoria Sandilands2
1Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, 9820 Merelbeke, Belgium.
Animals : an open access journal from MDPI
|October 14, 2023
概括
高环境温度显著扰乱产卵的睡眠,减少慢波睡眠 (SWS) 和快速眼动 (REM) 睡眠. 这突显了气候变化对家禽福利的影响,以及睡眠研究对福利评估的潜力.
科学领域:
- 动物福利科学 动物福利科学
- 禽畜科学 禽畜科学 禽畜科学
- 行为生理学 行为生理学
背景情况:
- 在商业农业中,动物福利是法律和道德方面的关注.
- 睡眠行为是动物福祉和环境压力的敏感指标.
- 评估产卵的福利需要了解它们对压力因素的生理和行为反应.
研究的目的:
- 用电脑图 (EEG) 和行为观察来评估急性压力因素对产睡眠行为的影响.
- 调查睡眠模式作为商业家禽福利评估指标的有用性.
- 为了确定食物剥夺,高环境温度和脚疼痛对睡眠状态的影响.
主要方法:
- 十只产母通过手术植入了EEG设备来监测大脑活动.
- 体验了24小时不被打扰的时间,被打扰的时间 (压力因素) 和恢复条件.
- 压力因素包括食物剥夺,环境温度升高 (28°C) 和模拟的脚疼痛.
主要成果:
- 环境温度的升高在黑暗时期显著降低了快速睡眠 (几乎消除) 和SWS.
- 脚疼痛增加了休息时间和SWS在光明时期,而食物剥夺对睡眠状态的影响最小.
- 食物剥夺和脚疼痛在黑暗时期对整体睡眠架构几乎没有影响.
结论:
- 环境温度升高对商业产卵的睡眠质量和福利构成重大威胁.
- 睡眠行为,特别是热应激下REM睡眠的减少,可以作为受损福祉的有价值指标.
- 调查结果强调了需要解决家禽管理系统中的热应激问题,特别是在全球气候变化背景下.
相关概念视频
01:13Insufficient Sleep and Sleep Deprivation
149
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
149
01:24Sleep-Wake Cycles
1.4K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.4K
01:19Management of Insomnia
262
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
262
01:11Understanding Sleep
252
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
252
01:17Sedatives and Hypnotics Drugs: Miscellaneous Agents
184
Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
184
01:18Nightmares and Night Terrors
97
Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares...
Nightmares...
97