暴露于月光是否会影响亚马逊鱼类的黑色素和代谢参数的白天/夜间变化?
Ana Caroliny Cerdeira Lopes1, Bruno Olivetti de Mattos2, Jaydione Luiz Marcon3
1Postgraduate Program in Zoology, Federal University of Amazonas (UFAM), 69080-900, Amazonas, Brazil.
概括
月球周期影响鱼类生理学,在新月期间眼睛的黑激素更高,在母体月亮的满月期间代谢压力标志物升高. 了解这些循环对于水产养殖管理至关重要.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 鱼类生理学 鱼类生理学
- 时间生物学 时间生物学
背景情况:
- 月球周期影响动物的行为和生理学.
- 黑色素和代谢参数是鱼类生理状态的关键指标.
- 马特林萨鱼 (Brycon amazonicus) 是一个重要的商业鱼类.
研究的目的:
- 为了评估满月和新月相对每日黑激素和新陈代谢参数在matrinxã的影响.
- 了解月球周期,光周期和鱼类生理学的相互作用.
- 为优化水产养殖实践提供见解.
主要方法:
- 80只幼被分为两组,暴露在满月和新月条件下30天.
- 血液,组织和眼睛的样本是在中午和午夜收集的.
- 分析了血和眼睛中的黑色素,葡萄糖,总蛋白质,皮质醇,谷氨和脂质过氧化.
主要成果:
- 在黑暗时期 (午夜) 血和眼睛中的黑激素增加.
- 在新月阶段,眼睛中的黑激素水平较高.
- 代谢压力指标 (葡萄糖,总蛋白质,皮质醇,肝脏谷氨,脂过氧化) 在满月阶段升高.
- 血甘油三水平显示,根据月相,白天和夜晚之间的模式不同.
结论:
- 月球周期对孕妇的黑激素生产和代谢状态有很大影响.
- 在新月期间,眼睛中的黑激素水平较高,这表明它在适应弱光的过程中发挥了作用.
- 满月状况似乎会引起更大的代谢应激反应.
- 水产养殖实践应考虑月球周期来管理鱼类的健康和压力.
相关概念视频
01:15Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
91
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
91
01:11Testing a Claim about Mean: Known Population SD
2.8K
A complete procedure of testing the hypothesis about a population mean is explained here.
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
2.8K
01:19Factors Affecting Drug Biotransformation: Biological
178
Biological factors significantly impact drug metabolism, influencing drug clearance, efficacy, and potential toxicity.
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
178
02:19Circadian Rhythms and Gene Regulation
4.1K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.1K