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当前位置: 首页 > 文章 > 不同性别伊犁马心脏结构和功能差异分析 饲料研究 2024,47 (2) 58-63
Position: Home > Articles > Analysis of differences in cardiac structure and function in Ili horses of different genders Feed Research 2024,47 (2) 58-63

不同性别伊犁马心脏结构和功能差异分析

作  者：
王彤亮;彭宣;马钶炎;夏依丹·吐尔洪;阿胡·吾拉力别克;姚新奎;孟军;曾亚琦
单  位：
关键词：
伊犁马;心脏功能;心脏结构
摘  要：
试验为探究同一营养水平下伊犁马不同性别间心脏结构和功能的差异.试验选用30匹2岁伊犁马,在2.5 MHz下使用彩色多普勒超声系统在马匹右侧胸骨旁第3到第5肋骨之间的二维(2D)和M型成像,采集心脏结构指标19个,心脏功能指标13个.结果显示,不同性别间伊犁马的体重、体尺与心脏结构和功能指标无线性关系.公马的舒张末期右心室内径(RVDd)和左室左右径(LV minor)均大于母马(P<0.05);母马的二尖瓣内径(MVD)大于公马(P<0.05),收缩末期肺动脉内径(PAd)高于公马(P<0.01).公马的每搏量(SV)高于母马(P<0.05),每搏量指数(SI)高于母马(P<0.01);母马的心率(HR)、左心室射血分数(ET)和左心房内径/主动脉根部内径(LAD/AOD)高于公马(P<0.01).研究表明,伊犁马心脏结构及功能指标存在性别差异,试验初步得出2岁伊犁马心脏功能及参数的参考范围,可为伊犁马心脏的深入研究提供参考.
译  名：
Analysis of differences in cardiac structure and function in Ili horses of different genders
关键词：
Ili horse%cardiac function%cardiac structure
摘  要：
The experiment aimed to investigate the differences in cardiac structure and function in different genders of Ili horses under the same nutritional level.Thirty 2-year-old Ili horses were selected for the experiment.Using a color Doppler ultrasound system at a frequency of 2.5 MHz,two-dimensional(2D)and M-mode images were obtained between the third and fifth ribs beside the right sternum of the horses.Nineteen cardiac structural indices and thirteen cardiac functional indices were collected.The results showed that there was no linear relationship between the body weight and size of Ili horses and the cardiac structural and functional indices.The RVDd and LV minor in stallions were higher than those in mares(P<0.05).The MVD of mares was higher than that of stallions(P<0.05),and the PAd was higher than that of stallions(P<0.01).The SV of stallions was higher than that of mares(P<0.05),and the SI was higher than that of mares(P<0.01).The HR,ET and LAD/AOD in mares were higher than those in stallions(P<0.01).The study indicates that there are gender differences in the cardiac indices of structure and function in Ili horses.The experiment provides a preliminary reference range for the cardiac function and parameters of 2-year-old Ili horses,which can be useful for further research on the cardiac health of Ili horses.

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