Efficacy of Achyranthes aspera (L.) as a Molluscicidal Bait Formulation against Fresh Water Snail Biomphalaria pfeifferi

Table 3

The LC₅₀ and LC₉₀ doses (with confidence limits) of A. aspera leaf hydroethanolic extract against B. pfeifferi snails in immersion and bait tests.

Test method	Effective doses	Confidence limits	(95% CL)	Slope
Immersion	LC50 = 20.37	16.97-24.57	4.158	3.544
	LC90 = 46.84	36.86-67.12
Bait	LC50 = 3.10	1.29-5.16	4.760	2.319
	LC90 = 11.08	7.04-17.00