乳品品种小牛的生长速度的变化取决于乳酪质量
S Abugaliev1, E Babich2, D Smagulov1
1West Kazakhstan Innovation and Technology University, Uralsk, Republic of Kazakhstan.
Brazilian journal of biology = Revista brasleira de biologia
|October 31, 2025
概括
富含免疫球蛋白的高品质母乳对于小牛的健康和生长至关重要. 用超过22%的Brix养乳头可以确保更高的免疫球蛋白水平,提高母牛免疫力和活体体重增加.
科学领域:
- 动物科学动物科学
- 兽医医学 兽医医学 兽医医学
- 类动物营养 类动物营养
背景情况:
- 成功的母牛养殖取决于出生后足够的母乳摄入量.
- 大奶粉提供了被动免疫力,对于小牛的疾病预防至关重要.
- 牛奶期的增强养会影响成长和器官发育.
研究的目的:
- 为了研究乳母体免疫球蛋白含量与小牛血清免疫球蛋白水平之间的相关性.
- 评估乳酪质量对母牛生长和健康参数的影响.
- 确定最佳的母乳养策略,以改善小牛养殖结果.
主要方法:
- 哈萨克斯坦"图拉尔"有限公司对霍尔施泰因公牛进行的研究.
- 使用布里克斯尺度 (免疫球蛋白含量>22%) 评估乳酪质量.
- 在出生后的第三天测量血清免疫球蛋白水平;监测活体体重和生长速度.
主要成果:
- 含有>22%Brix的乳酪导致血清免疫球蛋白水平在第3天达到≥7.0g/dl.
- 具有较高血清免疫球蛋白的母牛显著改善了活体体重增加 (5.1-6.7%) 和相对生长率 (4%).
- 接受更高免疫球蛋白胆乳 (753g vs 703g) 的公牛的平均每日增益更高.
结论:
- 较高的乳牛奶免疫球蛋白度直接增强了被动转移到小牛的情况.
- 足够的免疫球蛋白水平对于保护小牛免受病原体和维持免疫状态至关重要.
- 优化乳酪质量对于最大限度地提高母牛生长和整体健康至关重要.
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