Effect of season and breed on physiological and blood parameters in buffaloes

文献类型： 外文期刊

第一作者： Liu Shenhe

作者： Liu Shenhe;Li Jun;Li Zipeng;Rehman, Zia Ur;Zhou Zichao;Yang Liguo;Deng Tingxian

作者机构：

关键词： Crossbred buffalo; Mediterranean buffalo; THI; heat tolerance

期刊名称：JOURNAL OF DAIRY RESEARCH （ 影响因子：1.904； 五年影响因子：2.019 ）

ISSN： 0022-0299

年卷期： 2018 年 85 卷 2 期

页码：

收录情况： SCI

摘要： In this Research Communication we describe the effect of temperature and humidity index (THI) on various physiological traits, the plasma heat shock protein 70 (HSP70), heat shock protein 90 (HSP90) and cortisol levels and other blood parameters in crossbred buffalo (Nili-Ravi x Murrah) and Mediterranean buffalo to compare their tolerance to heat stress. As expected, crossbred buffalo had a significantly higher rectal temperature (RT), body surface temperature (BT), respiratory rate (RR), HSP70 and HSP90 levels in summer compared to spring and winter. RT and BT were also significantly higher in spring compared to winter. A significant correlation existed between THI and RT (r = 0 center dot 81) and RR (r = 0 center dot 84). Importantly, in summer the crossbred buffalo had a significantly lower RT, BT and RR and higher HSP70, HSP90 and cortisol levels than the Mediterranean buffalo. In conclusion, higher THI was associated with significant increase in RT, RR, BT, HSP70, HSP90 and cortisol levels, and the crossbred buffalo were more heat tolerant than Mediterranean buffalo.

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