Dynamic responses of cattle to thermal heat loads

GL Hahn - Journal of animal science, 1999 - academic.oup.com
The focal point of this limited review is bioenergetic research conducted in the Biological
Engineering Research Unit at the US Meat Animal Research Center (MARC), using recently …

Non-invasive physiological indicators of heat stress in cattle

M Idris, J Uddin, M Sullivan, DM McNeill, CJC Phillips - Animals, 2021 - mdpi.com
Simple Summary Heat stress is a common cause of poor welfare in cattle and is expected to
increase with climate change. The biggest challenges are to feedlot and dairy cattle in hot …

A new heat load index for feedlot cattle

JB Gaughan, TL Mader, SM Holt… - Journal of Animal …, 2008 - academic.oup.com
The ability to predict the effects of extreme climatic variables on livestock is important in
terms of welfare and performance. An index combining temperature and humidity (THI) has …

[HTML][HTML] Factores climáticos que afectan el desempeño productivo del ganado bovino de carne y leche

RA Arias, TL Mader, PC Escobar - Archivos de medicina veterinaria, 2008 - SciELO Chile
El efecto del clima en el ganado bovino es variable y complejo, ya que condiciona el
medioambiente en el que los animales viven y se reproducen. Sus influencias en el …

Dynamic response indicators of heat stress in shaded and non-shaded feedlot cattle, Part 1: Analyses of indicators

TM Brown-Brandl, RA Eigenberg, JA Nienaber… - Biosystems …, 2005 - Elsevier
Heat stress in feedlot cattle can cause decreases in feed intake and growth, and in extreme
cases may result in death. Providing shade during hot weather has shown inconsistent …

Use of physiological parameters to predict milk yield and feed intake in heat-stressed dairy cows

DE Spiers, JN Spain, JD Sampson… - Journal of Thermal …, 2004 - Elsevier
Holstein cows were tested to determine which measures of thermal strain are the better
predictors of production over 24–96h at constant air temperatures of 19 and 29° C. Both …

Thermal indices and their applications for livestock environments

GLR Hahn, JB Gaughan, TL Mader… - … energetics and thermal …, 2009 - elibrary.asabe.org
[First paragraphs]: Heat exchanges with the environment are crucial processes for
maintaining homeothermy by humans and other animals. These exchanges involve heat …

Characterization of Thermal Patterns Using Infrared Thermography and Thermolytic Responses of Cattle Reared in Three Different Systems during the Transition …

WC Silva, JAR Silva, ÉBR Silva, AVC Barbosa… - Animals, 2023 - mdpi.com
Simple Summary This study aimed to characterize the thermal patterns of cattle raised in
three different production systems during the transition period in the eastern Amazon, Brazil …

[PDF][PDF] Respiration rate: Is it a good measure of heat stress in cattle?

JB Gaughan, S Holt, GL Hahn, TL Mader… - … -Australasian Journal of …, 2000 - core.ac.uk
Two studies, the first in the USA and the second in Australia were undertaken to investigate
respiration rate (RR) responses of growing grain fed cattle exposed to hot climatic …

Heat tolerance of Boran and Tuli crossbred steers

JB Gaughan, TL Mader, SM Holt… - Journal of animal …, 1999 - academic.oup.com
Experiments were conducted to evaluate the heat tolerance of the following breeds:
Hereford (H), Brahman (B), H× B, H× Boran (H× Bo), and H× Tuli (H× T). Heat tolerance was …