The behavioral and physiological indices of Hu sheep in the arid and cold areas of northwest China

doi:10.11686/cyxb2015241

Abstract

Abstract: The objective of this study was to investigate the behavioral and physiological indices of Hu sheep in the arid and cold areas of northwest China. Twelve 1-year-old Hu sheep (6 rams and 6 ewes) were evenly divided into two groups. The effects of season (A factor: A₁ summer, A₂ winter), sex (B factor: B₁♂, B₂♀) and time (C factor: C₁ day, C₂ night) on feed intake, water intake, rumination, resting time and physiological indices were measured using near-infrared camera techniques. The results showed that seasonal factors had highly significant effects on feed intake, rumination and resting time (P<0.01). The sex factor had significant effects on feed intake and resting time (P<0.05), while the time factor had significant effects on resting time (P<0.05) and highly significant effects on rumination (P<0.01). In addition, only the seasonal and sex factors interacted with feed intake (P<0.05) and rumination (P<0.01). The physiological indices of Hu sheep, for instance body temperature, heartbeat, respiratory rate and blood routine examination, were within normal ranges during this experiment. In conclusion, there was no significant impact on the fundamental characteristics and general performance of Hu sheep and it is feasible to introduce them into the arid and cold areas of northwest China.

XI Rui, LI Fa-Di, WANG Wei-Min, LI Chong, LA Yong-Fu, LIU Ting, PAN Xiang-Yu, TANG De-Fu, LI Bao-Sheng. The behavioral and physiological indices of Hu sheep in the arid and cold areas of northwest China[J]. Acta Prataculturae Sinica, 2016, 25(5): 184-191.

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