工作犬血液生理学特性研究

Study on Blood Physiology Characteristics in Working Dogs

成年工作犬每天都要进行大量的体能训练,为分析工作犬的血液特征,对3种成年工作犬(昆明犬、德国牧羊犬、马里努阿犬)和土著犬种血液生理和血液流变学指标进行测定分析。结果表明:工作犬的红细胞数目、血红蛋白含量明显高于土著犬种(P<0.05),表现出突出的运氧能力。随着红细胞数和血红蛋白浓度的增加,工作犬与土著犬种的血浆黏度和红细胞内黏度并无显著差异(P>0.05),但工作犬的全血黏度增大,血液流阻明显高于土著犬种(P<0.05),且其红细胞变形能力较差。可见,工作犬如何解决血流通畅性是今后亟待研究的问题。

Adult working dog has to do a lot of intense physical training every day. The blood physiology and hemorheological indexes were measured in three adult working dogs （Kunming, German shepherd, Belgian malinois） and one indigenous breed in Kunming. The results showed that the number of red blood cells and hemoglobin concentration in working dogs were significantly higher than those of the in- digenous breed （P 〈 0. 05）, which meant that the working dog had a prominent oxygen carrying capaci- ty. This phenomenon might be that during long-term strength training and working, these descendible characteristics are experienced a strong selection. With the red blood cell count and hemoglobin concen- tration increased, blood flow resistance and whole blood viscosity of working dogs was obviously higher than the indigenous breed, though there was no significant difference between working dogs and the in- digenous breed in Plasma viscosity and viscosity of red blood cells （P 〉 0. 05 ）. In addition, red blood cell deformability of working dogs decreased. The result suggested that these working dogs owed bad blood stream. The way to overcome the high blood flow resistance remains to be resolved.