Hunt L M, Gilbert B N, Lemeilleur C A
Poult Sci. 1979 Sep;58(5):1197-1201. doi: 10.3382/ps.0581197.
The 25/75 cis-trans mixture of permethrin (BW21Z), one of the new broad-spectrum pyrethroid insecticides, was labeled with 14C in the alcohol methylene carbon moiety and mist sprayed at two rates (3.77 or 11.94 mg/hen) on 28 hens. Peak permethrin equivalents in both treatment groups were found in the skins, .414 and l.69 ppm, respectively. Total permethrin equivalents peaked 3 days after treatment, but permethrin equivalents in eggs peaked 5 days after treatment.
氯菊酯（BW21Z）的25/75顺反异构体混合物是新型广谱拟除虫菊酯杀虫剂之一，在醇亚甲基碳部分用14C标记，并以两种剂量（3.77或11.94毫克/只母鸡）对28只母鸡进行喷雾处理。两个处理组中氯菊酯当量的峰值均出现在皮肤中，分别为0.414和1.69 ppm。总氯菊酯当量在处理后3天达到峰值，但鸡蛋中的氯菊酯当量在处理后5天达到峰值。
