被动免疫转移的失败不是牛犊腹炎的危险因素
Florent Perrot1, Aurélien Joulié2, Vincent Herry3
1Haute Auvergne Veterinary Clinic, 22 ZAC Montplain Allauzier, 15100 Saint Flour, France.
Veterinary sciences
|September 27, 2023
概括
这项研究发现,新生小牛的被动免疫转移 (FPIT) 失败和炎之间没有联系. 需要进一步的研究来确定这种常见的小牛病的危险因素.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物卫生 动物健康
- 新生儿小牛护理 新生儿小牛护理
背景情况:
- 乳头炎是新生小牛的常见疾病,排在新生儿腹和牛呼吸道疾病 (BRD) 之后的第三位.
- 被动免疫转移 (FPIT) 的失败是已知的小牛疾病和死亡的风险因素,但其与炎的关联尚不清楚.
研究的目的:
- 研究乳母牛肉中腹炎和被动免疫转移 (FPIT) 失败之间的关联.
- 为了确定与FPIT状态相关的炎的流行率.
主要方法:
- 一项纵向队列研究,涉及22个农场的964只母牛肉,持续了5个月.
- 牛犊被检查两次,以诊断炎 (临床和超声波评估).
- 测量血清总蛋白质 (TP) 和总固体百分比 (%Brix) 以评估被动免疫状态,将FPIT定义为%Brix <8.1或TP <5.1g/dL.
主要成果:
- 炎的总体患病率为30.9%,在没有其他疾病的小牛中为32.3%.
- 14%的乳头炎的小牛和12%的没有乳头炎的小牛有FPIT.
- 在炎和FPIT的患病率之间没有发现统计学意义上的关联.
结论:
- 该研究没有发现炎和新生小牛的被动免疫转移失败之间的统计联系.
- 建议进行进一步的研究,以确定子炎的特定风险因素,例如分娩困难和住房卫生,以改善牛犊系统的预防策略.
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