Nurita A T, Abu Hassan A, Nur Aida H, Norasmah B
Medical Entomology Laboratory, School of Biological Sciences, Universiti Sains Malaysia, Penang, Malaysia.
Trop Biomed. 2008 Aug;25(2):126-33.
The efficacy and residual efficacy of commercial baits, Quick Bayt (0.5% w/w imidacloprid) and Agita (10.0% w/w thiamethoxam) against synanthropic flies were evaluated under field conditions. Efficacy was evaluated based on knockdown percentage (KD %). The bait efficacy and residual efficacy evaluation were conducted for a period of 3 weeks and 6 weeks respectively. Baits were applied onto bait targets and placed on fly-count targets to facilitate the counting of flies. All baits were applied according to the manufacturer's recommended application rate. Three replicate treatments for each type of bait were placed at the study site each week. The number of flies feeding on baits and the knocked down flies were counted and collected. The efficacy of Agita and Quick Bayt did not differ significantly (t-test, P>0.05) over the 3-week period, even though Quick Bayt had a slightly higher KD% than Agita. In the residual efficacy evaluation, the (knockdown) KD% of Quick Bayt was consistent at around 36% for the first five weeks but dropped to 33.8 +/- 0.4% on the sixth week. The KD% for Agita on the first week was 33.6 +/- 12.2% and remained relatively consistent for the first 4 weeks at around 31%. KD% dropped to 16.7 +/- 3.3% on week 5 and to 15.7 +/- 1.2% on week 6. The difference in residual efficacy of the two baits was significant (t-test, p < 0.05).
在野外条件下评估了市售诱饵Quick Bayt（0.5% 重量/重量吡虫啉）和Agita（10.0% 重量/重量噻虫嗪）对嗜人蝇的药效和残留药效。根据击倒率（KD%）评估药效。诱饵药效和残留药效评估分别进行3周和6周。将诱饵施用于诱饵靶标并放置在捕蝇靶标上，以便于计数苍蝇。所有诱饵均按照制造商推荐的施用量施用。每周在研究地点放置每种诱饵的三个重复处理。对取食诱饵的苍蝇数量和击倒的苍蝇进行计数并收集。在3周期间，Agita和Quick Bayt的药效没有显著差异（t检验，P>0.05），尽管Quick Bayt的KD%略高于Agita。在残留药效评估中，Quick Bayt的（击倒）KD%在前五周一直保持在36%左右，但在第六周降至33.8±0.4%。Agita在第一周的KD%为33.6±12.2%，在前4周相对稳定在31%左右。KD%在第5周降至16.7±3.3%，在第6周降至15.7±1.2%。两种诱饵的残留药效差异显著（t检验，p<0.05）。
