Effects of weather variables on thermoregulation of calves during periods of extreme heat
Objective—To determine effects of ambient temperature, relative humidity, wind speed, relative barometric pressure, and temperature-humidity index (THI) on nasal submucosal and rectal temperatures in cattle during extreme summer conditions.
Relationship between rectal temperature at first treatment for bovine respiratory disease complex in feedlot calves and the probability of not finishing the production cycle
Objective—To determine effects of ambient temperature, relative humidity, wind speed, relative barometric pressure, and temperature-humidity index (THI) on nasal submucosal and rectal temperatures in cattle during extreme summer conditions.
Effect of transportation during periods of high ambient temperature on physiologic and behavioral indices of beef heifers
Objective—To determine the effect of transportation during periods of high ambient temperature on physiologic and behavioral indices of beef heifers.
Effect of Mannheimia haemolytica pneumonia on behavior and physiologic responses of calves during high ambient environmental temperatures
Abstract: The objective of this study was to determine the effect of pneumonia during conditions of high (maximum ≥ 32°C) ambient temperatures on physiological and behavioral responses of calves.
Environmental parameters to assessing of heat stress in dairy cattle—a review
Objective—Considering the significant influence of high ambient temperature and heat waves on the well-being and productivity of dairy cows, it is to be expected that, in the course of the next few decades, climate conditions for raising cattle will deteriorate.
Environmental Stress in Dairy Cattle
Objective—As air temperature and relative humidity (RH) of the air rise, dairy cows have trouble disposing of excess body heat. This factsheet focuses on the role of high temperature and RH in causing stress due to environmental conditions, which is referred to as heat stress here.
Characterizing heat stress on livestock using the temperature humidity index (THI)—prospects for a warmer Caribbean
Objective—There is an urgent need to mitigate climate change-induced heat stress in livestock and poultry in the Caribbean, given the deleterious effects it has on food and nutrition security.
Quantifying Heat Stress and Its Impact on Metabolism and Performance
Objective—Pronounced seasonal patterns of milk yield and composition are evident in cattle. These seasonal patterns are largely induced by climatological variables, breed effects and management factors, such as feed quality and reproductive management.
Temperature-Humidity Indices as Indicators to Heat Stress of Climatic Conditions with Relation to Production and Reproduction of Farm Animals
Objective—The changes in the environmental factors like ambient temperature, relative humidity, wind speed and solar radiation causes stresses in lactating cattle. Heat stress is a condition in which the animal body has problems dissipating excess heat.
Effects of weather variables on thermoregulation of calves during periods of extreme heat
Objective—To determine effects of ambient temperature, relative humidity, wind speed, relative barometric pressure, and temperature-humidity index (THI) on nasal submucosal and rectal temperatures in cattle during extreme summer conditions.
Relationship between rectal temperature at first treatment for bovine respiratory disease complex in feedlot calves and the probability of not finishing the production cycle
Objective—To determine effects of ambient temperature, relative humidity, wind speed, relative barometric pressure, and temperature-humidity index (THI) on nasal submucosal and rectal temperatures in cattle during extreme summer conditions.
Effect of Mannheimia haemolytica pneumonia on behavior and physiologic responses of calves during high ambient environmental temperatures
Abstract: The objective of this study was to determine the effect of pneumonia during conditions of high (maximum ≥ 32°C) ambient temperatures on physiological and behavioral responses of calves.
Effect of transportation during periods of high ambient temperature on physiologic and behavioral indices of beef heifers
Objective—To determine the effect of transportation during periods of high ambient temperature on physiologic and behavioral indices of beef heifers.