Crossbred Cows Respond Differently from Holstein Frisian and Bos Indicus to Heat Stress Under Various Climatic Conditions
Ikramullah Khan1,2*, Muhammad Subhan Qureshi2, Sohail Akhtar2, Ijaz Ali3 and Ghufran Ullah4
1Department of Animal Sciences, the University of Illinois at Urbana-Champaign, 61801, IL, USA; 2Department of Livestock Management, The University of Agriculture Peshawar, 25120, Pakistan; 3Institute of Biotechnology and Genetic Engineering, The University of Agriculture Peshawar, 25120, Pakistan; 4Directorate General (Research), Livestock and Dairy Development, Khyber Pakhtunkhwa, Peshawar, Pakistan.
drkhaniu@gmail.com
Figure 1
Effect of various ambient temperatures on rectal temperature in various dairy cattle breeds (● 18 °C, ♦ 32 °C, ▲ 42 °C).
Figure 2
Effect of various ambient temperatures on respiration rate in various dairy cattle breeds (● 18 °C, ♦ 32 °C, ▲ 42 °C).
Figure 3
Effect of various ambient temperatures on pulse rate in various dairy cattle breeds (● 18 °C, ♦ 32 °C, ▲ 42 °C).
Figure 4
Effect of various ambient temperatures on serum glucose level in various dairy cattle breeds (● 18 °C, ♦ 32 °C, ▲ 42 °C)
Figure 5
Effect of various ambient temperatures on serum cortisol concentrations in various dairy cattle breeds (● 18 °C, ♦ 32 °C, ▲ 42 °C).
Figure 6
Effect of various ambient temperatures on HSP-70 concentrations in various dairy cattle breeds (● 18 °C, ♦ 32 °C, ▲ 42 °C).