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Tags：#Animal diseases #Virus Sampling Kit #Store at room temperature #Cold chain risk #Replenishment
All Answers2
曾
曾采购929
2026-10-01
野外断链风险主要看保存液是否能在高温下维持核酸完整性。采样后 2-3 天回实验室，不要只看常温宣称，建议做链路模拟：夏季白天高温、夜间常温、颠簸运输各放一批，检测时看内参 Ct 漂移和阴性对照。管盖密封、防漏垫圈、拭子杆是否易断也很关键，否则样本丢失或污染比保存液影响更直接。棉签舒适度对动物现场影响较小，但采样角度和拭子头吸附量会影响回收，可选纤维或植绒拭子对比。
采
采购老师5674
2026-08-04
囤货时，冷链替代方案要区分常温保存型和灭活型。如果现场无法稳定低温，可优先常温型，但建议让供应商提供高温留样资料，并自行抽检。每月几百支不算大，建议按月度消耗加安全库存下单，避免长期囤积导致包装老化。补货慢时，可让供应商做区域小仓或寄售，同时建立批次台账。非洲猪瘟筛查还应验证保存液对核酸提取和 qPCR 体系的兼容性，特别是高浓度粪便或组织样本带来的抑制问题，必要时配稀释缓冲或内标。
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