西伯利亚西部不同品种奶牛血液状况的特点

O. I. Sebezhko, O. Korotkevich, T. Konovalova, V. L. Petukhov, N. Kochnev, A. N. Sebezhko, E. Tarasenko
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引用次数: 0

摘要

监测奶牛群的血液学参数是评估动物健康和福利的核心。研究对象是在西西伯利亚西部饲养的荷斯坦、黑白和红色品种的健康奶牛,这些奶牛在第 2 个泌乳期 30-60 日龄时外周血的主要参数。对红细胞、白细胞和血小板参数的研究是在 PCE 90Vet 分析仪上进行的,该分析仪配有用于计算白细胞公式的涂片显微镜。采用标准的描述性统计或稳健统计方法。组间比较采用单因素方差分析或 Krasker-Wallace 检验。事后比较采用 Tukey 或 Dunn 方法。在计算参考区间时,我们使用了引导法。在大多数情况下,计算得出的血液图中红细胞、血小板和白细胞成分的平均值都在生理标准范围内变化或处于临界状态。荷斯坦品种的动物具有最明显的适应潜力。除红细胞数、MCV、RDW、嗜碱性粒细胞、带状中性粒细胞和免疫反应指数外,几乎所有研究指标都显示出品种间的差异。黑白品种奶牛的特点是血细胞比容(27.99 ± 0.31%)、嗜酸性粒细胞绝对数(Me = 0.207 ×109/l)、血小板(279.5 ± 22.13 ×109/l)、红草原血红蛋白(98.32±1.53 g/l)、单核细胞(0.29±0.01)和平均血小板体积(6.42±0.08 fL)水平最高。奶牛白细胞图谱的某些参考区间可用于监测健康状况,与其他品种的数据进行比较,还可用于地区间的比较监测。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Features of hematological status of cows of different breeds of Western Siberia
Monitoring hematological parameters in dairy herds is central to assessing animal health and welfare. The main parameters of peripheral blood were studied in healthy cows of Holstein, black-and-white and red breeds at the age of 30-60 days of the 2nd lactation, raised in Western Siberia. Studies of erythrocyte, leukocyte and platelet parameters were carried out on a PCE 90Vet analyzer with smear microscopy for calculating the leukocyte formula. Standard methods of descriptive statistics or robust statistics were used. Intergroup comparisons were performed using one-way analysis of variance or the Krasker-Wallace test. Tukey or Dunn’s method was used for post hoc comparisons. When calculating reference intervals, we used the bootstrap method. The calculated average values of the erythrocyte, platelet and leukocyte components of the hemogram in most cases varied within physiological norms or were on the borderline. Animals of the Holstein breed had the most pronounced adaptive potential. Differences between breeds have been established in almost all studied indicators except the number of red blood cells, MCV, RDW, basophils, band neutrophils, and immunoreactivity index. Cows of the black-andwhite breed were characterized by the highest level of hematocrit (27.99 ± 0.31%), absolute number of eosinophils (Me = 0.207 ×109/l), platelets (279.5 ± 22.13 ×109/l), for red steppe hemoglobin (98.32±1.53 g/l), monocytes (0.29±0.01) and average platelet volume (6.42±0.08 fL). Certain reference intervals for the leukocyte profile of cows provide monitoring of health status, the ability to compare data with other breeds, and also allows for comparative monitoring between regions.
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