Unverified90% confidenceDecision RuleTime unknown
选择含IGR昆虫生长调节剂（如吡丙醚Pyriproxyfen或Methoprene）的产品，持效期可达6-7个月，能阻断跳蚤卵和幼虫发育，单纯速杀型（拟除虫菊酯）持效仅2-4周
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified苏云金杆菌等活菌制剂需在幼虫低龄期(1-2龄)使用，虫龄越大效果越差；且见效慢(2-3天),需比化学农药提前3-5天预防性施药83% similarUnverified介壳虫世代重叠、有蜡壳保护，单次用药只能杀死当前敏感虫态，必须间隔7-10天连续用药2-3次，才能覆盖卵孵化和若虫爬行期，一次喷完就停必然复发81% similarUnverified吡虫啉、噻虫嗪等新烟碱类内吸剂灌根后需3-7天才能传导至新叶发挥药效，见虫立即喷施速效性差，防治蚜虫/介壳虫应提前预防性用药80% similarUnverified幼犬体内驱虫首次应在2周龄开始，此后每2周一次直到12周龄；心丝虫预防药（含米尔贝肟/莫昔克丁）通常需6-8周龄且达到最小体重后才能使用，勿混淆两类药的年龄门槛75% similarUnverified内驱杀灭肠道成虫但不杀虫卵，感染较重的宠物首次用药后2-4周可能需补驱一次以清除新孵化的虫体，选购时应考虑是否为已感染治疗还是常规预防75% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/312774API
curl https://kongchang.com/api/v1/knowledge/claims/312774MCP
get_claim(id=312774)