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首页> 外文期刊>Journal of dairy research >Simmental×Holstein crossbred: comparison of immunological traits with parental breeds during peripartum and early lactation period
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Simmental×Holstein crossbred: comparison of immunological traits with parental breeds during peripartum and early lactation period

机译：SIMMENTAL×HOLSTEIN杂交：在腹部和早期哺乳期间治疗父母品种的免疫性状

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摘要

The experiment described in this research communication aimed to compare the immunological traits of Simmental (sire)×Holstein (dam) crossbred cows with the two parental breeds in the peripartum and early lactation period and to estimate the effects of heterosis for these traits. Flow cytometric evaluation of leukocyte subpopulations was assessed in 16 Crossbred (CR), 8 Holstein (HO) and 8 Simmental (SI) cows. Estimated average values of innate and adaptive immune cells showed statistically significant differences between the crossbred cows and parental breeds. Interestingly, the most relevant differences between the three groups related to adaptive immune cells. In particular, the CR cows showed a lower percentage of CD3~+ T lymphocytes compared with the SI group (P＜0.0001) and the highest proportions of CD21~+ B lymphocytes among the three groups (P＜0.0001). Furthermore, we found the highest positive value of heterosis for the CD21~+ B lymphocytes (7.0) and the lowest negative value for CD3~+ T lymphocytes (-4.8) in Fl derived population. It seems reasonable to believe that these differences could affect immune function of crossbred cows.
机译：本研究沟通中描述的实验旨在将Simmental（Sire）×Holstein（Dam）杂交牛的免疫特性与Peripartum和早期哺乳期的两种亲本品种进行比较，并估计杂种优势的影响。在16个杂交（Cr），8孔（HO）和8个Simmental（Si）奶牛中评估白细胞亚群的流式细胞术评价。估计先天和自适应免疫细胞的平均值在杂交奶牛和父母品种之间存在统计学上显着的差异。有趣的是，三组与适应性免疫细胞相关的最相关的差异。特别是，与三组的CD21〜+ B淋巴细胞的最高比例相比，CR牛的CD3〜+ T淋巴细胞的较低百分比较低（P <0.0001）。此外，我们发现了CD21〜+ B淋巴细胞（7.0）的杂种优势的最高阳性值，并且在衍生人群中的CD3〜+ T淋巴细胞（-4.8）的最低负值。相信这些差异可能影响杂交奶牛的免疫功能似乎合理。

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  • 来源
    《Journal of dairy research》 |2020年第4期|424-428|共5页
  • 作者

    Maria Carmela Scata; Francesco Grandoni; Vittoria Lucia Barile; Gennaro Catillo; Giovanna De Matteis;

  • 作者单位

    Council for Agricultural Research and Economics CREA Research Centre for Animal Production and Aquaculture Via Salaria 31-00015 Monterotondo (RM) Italy;

    Council for Agricultural Research and Economics CREA Research Centre for Animal Production and Aquaculture Via Salaria 31-00015 Monterotondo (RM) Italy;

    Council for Agricultural Research and Economics CREA Research Centre for Animal Production and Aquaculture Via Salaria 31-00015 Monterotondo (RM) Italy;

    Council for Agricultural Research and Economics CREA Research Centre for Animal Production and Aquaculture Via Salaria 31-00015 Monterotondo (RM) Italy;

    Council for Agricultural Research and Economics CREA Research Centre for Animal Production and Aquaculture Via Salaria 31-00015 Monterotondo (RM) Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Crossbreeding; flow cytometry; heterosis; immunological traits; peripartum period;

    机译：杂交育种;流式细胞仪;杂种体;免疫特征;Peripartum期间;

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