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Effect of Cold and Heat Strees on the Blood Physiological and Biochemical Indexes of Cows
Author(s): ZHAO Zongsheng, MI Laguli, JIANG Hua, HE Gaoming
Pages: 18-
22
Year: 2011
Issue:
22
Journal: China Dairy Cattle
Abstract: 以16头荷斯坦牛为实验对象,研究不同环境温度下冷应激(-30℃、-20℃、-5℃)与热应激(31℃)对奶牛的血液生理常值、生化指标的影响。研究结果表明在冷应激期:(1)白细胞、红细胞、血小板和单核细胞的变化在温差15qC尤为突出(P〈0.05);(2)血清中Ca2+的含量随着温度的降低而降低(P〈0.05);(3)血清P含量无明显变化(P〉0.05),降至-30℃时血清P含量显著降低(P〈0.05...
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