Zebrafish Embryo Toxicity of a Binary Mixture of Pyrethroid Insecticides: d-Tetramethrin and Cyphenothrin

Table 1

LC₅₀ values of a binary mixture of d-tetramethrin and cyphenothrin at different time intervals.

Exposure time (hrs)	(mol) d- tetramethrin: cyphenothrin	95 Confidence limits of (mol )			Chi-square
		LCL	UCL
24	0.58:1.74	0.45:1.35	0.77: 2.31	0.98	0.75
48	0.11: 0.33	0.08: 0.24	0.16: 0.48	0.90	2.79
72	0.03: 0.09	0.02: 0.06	0.04: 0.12	0.93	3.57