Related Experiment Video
Updated: Jan 23, 2026
12:08
The Use of Traditional Fear Tests to Evaluate Different Emotional Circuits in Cattle
Published on: April 22, 2020
9.1K
The Impact of Heat Load on Cattle
Angela M Lees1,2, Veerasamy Sejian3, Andrea L Wallage4
1School of Agriculture and Food Sciences, The University of Queensland; Gatton, QLD 4343, Australia. angela.lees@une.edu.au.
Animals : an Open Access Journal From MDPI
|June 9, 2019
Summary
Heat stress negatively impacts cattle welfare and productivity globally. This review focuses on understanding and managing these effects in bovines due to a changing climate.
Area of Science:
- Animal Science
- Environmental Science
- Veterinary Medicine
Background:
- Heat stress and cold stress significantly affect cattle welfare and productivity.
- The impact of heat stress on cattle is a growing concern due to global environmental changes.
- While cold stress is studied, this review emphasizes the widespread effects of heat stress on bovines.
Purpose of the Study:
- To provide a comprehensive overview of heat stress impacts on cattle.
- To highlight the effects of heat stress on bovine production and reproduction.
- To discuss challenges in managing livestock under hot climatic conditions.
Main Methods:
- Literature review focusing on heat stress in cattle.
- Analysis of existing studies on bovine responses to thermal environments.
- Synthesis of information on production and reproduction impacts.
Main Results:
- Heat stress is a worldwide issue reducing animal productivity and welfare.
- Cattle exhibit varied responses to thermal environments, affecting health and productivity.
- Managing heat stress in livestock remains a significant challenge.
Conclusions:
- Heat stress poses a substantial threat to the global cattle industry.
- Understanding bovine responses is crucial for mitigating negative impacts.
- Further strategies are needed to effectively manage heat stress in cattle populations.
Related Concept Videos
01:19Impact Loading
674
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
In cases of elastic deformation,...
674
01:13Impact Loading on a Cantilever Beam
881
The analysis of a cantilever beam with a circular cross-section subjected to impact loading at its free end illustrates the conversion of potential energy from a dropped object into kinetic energy, which is then absorbed by the beam as strain energy. This process is crucial for understanding how materials behave under dynamic loads, which is important in fields such as construction and aerospace.
When an object is dropped onto the free end of a cantilever, its potential energy due to gravity is...
When an object is dropped onto the free end of a cantilever, its potential energy due to gravity is...
881
02:46Quantifying Heat
61.8K
Thermal Energy Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold”, which depends on the amount of thermal energy. When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE) (or higher thermal energy), and the object is perceived as “hot”, or it is described as being at a higher temperature. When the...
61.8K
01:16Specific Heat
67.3K
The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. Specific heat capacity is often represented in calories (cal), grams (g), and degrees Celsius (oC), but can also be expressed in joules (J), kilograms (kg), and Kelvin (K), among other units.
For example, increasing the temperature of one gram of water by 1°C requires one calorie of heat energy and can be written as 1 cal/g-°C, or...
For example, increasing the temperature of one gram of water by 1°C requires one calorie of heat energy and can be written as 1 cal/g-°C, or...
67.3K
01:12Heat Flow and Specific Heat
6.7K
Heat is a type of energy transfer that is caused by a temperature difference, and it can change the temperature of an object. Since heat is a form of energy, its SI unit is the joule (J). Another common unit of energy often used for heat is the calorie (cal), which is defined as the energy needed to change the temperature of 1 g of water by 1 °C, specifically between 14.5 °C and 15.5 °C, since the energy needed shows a slight temperature dependence. Another commonly used unit is...
6.7K
01:19Impact of Groups on Groups
236
Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
236