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Selected hematological, biochemical, and acid-base variables of Paso Fino horses living at different altitudes
Tropical Animal Health and Production ( IF 1.7 ) Pub Date : 2020-11-17 , DOI: 10.1007/s11250-020-02449-6
Camilo Jaramillo , María P. Arias , Diana Mosqueda , Shannon Darby , David Renaud , Diego E. Gómez

This study aimed at describing selected hematological, biochemical, and acid-base variables of adult horses living at sea level and comparing them to those living at 5 different altitudes. One hundred and thirty-eight healthy Paso Fino horses > 2 years old were enrolled. Altitudes included the following: altitude A (0 to 50 m above sea level, masl; n = 23), B (1000 to 1050 masl; n = 25), C (1450 masl; n = 30), D (1950 to 2050 masl; n = 30), and E (2950 to 3100 masl; n = 30). A portable blood gas analyzer was used to determine selected biochemical and acid-base variables. Hematocrit (Htc) was measured by blood centrifugation and total plasma protein as total solids using a refractometer. A one-way ANOVA with Tukey’s HSD post hoc test or a Wilcoxon signed-rank test, depending of the normality of the data, was conducted to compare groups. Horses at sea level had lower Htc (25% ± 2) and Hb (8 ± 0.8 mg/dL) concentration than those horses living ≥ 1000 masl (P < 0.05, for all comparisons). No differences in Htc and Hb were identified in horses living between 1000 and 3000 masl (P > 0.05, for all comparisons). The venous PvCO2 was significantly lower in horses living at altitudes ≥ 1000 masl than those living at 0 masl (42 ± 4.8 mmHg) (P = 0.001, for all comparisons). No differences in PvCO2 were identified in horses living between 1000 and 3000 masl. This study showed that the Htc, Hb, and PvCO2 of horses living at sea level were different compared to those in healthy horses living at altitudes ≥ 1000 masl. However, differences in TPP and electrolyte concentrations were not identified.



中文翻译:

居住在不同海拔的Paso Fino马的选定血液学,生化学和酸碱变量

这项研究旨在描述生活在海平面上的成年马的选定血液学,生化和酸碱变量,并将其与生活在5个不同高度的马进行比较。入选了38头2岁以上的健康Paso Fino马。海拔高度包括以下几项:海拔A(海拔0至50 m,马氏; n  = 23),B(1000至1050 masl; n  = 25),C(1450 masl; n  = 30),D(1950至2050) masl;n  = 30)和E(2950至3100 masl;n = 30)。便携式血气分析仪用于确定选定的生化和酸碱变量。血细胞比容(Htc)通过血液离心法测定,血浆总蛋白为总固体,使用折光仪。根据数据的正态性,采用Tukey HSD事后检验或Wilcoxon秩和检验进行单向方差分析,以比较各组。与生活水平≥1000 masl的马相比,海平面上的马的Htc(25%±2)和Hb(8±0.8 mg / dL)浓度更低( 所有比较的P <0.05)。在生活在1000到3000 masl之间的马中,没有发现Htc和Hb的差异( 对于所有比较,P > 0.05)。静脉P v CO 2居住在海拔≥1000 masl的马比居住在0 masl(42±4.8 mmHg)的马低得多( 对于所有比较,P = 0.001)。在生活在1000至3000马氏之间的马中,没有发现P v CO 2的差异。该研究表明,与海拔≥1000 masl的健康马匹相比,生活在海平面上的马的Htc,Hb和P v CO 2有所不同。但是,没有发现TPP和电解质浓度的差异。

更新日期:2020-11-18
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