Table 4.

Results of EHT and lethal concentrations (LC₅₀ and LC₉₀) of compounds obtained from Prosopis laevigata leaves at different concentrations against Haemonchus contortus eggs after 48 h interaction.

Treatments	%EHT ± SD	Lethal Concentrations 95% (CI limits Lower-Upper)
		LC50 (mg/mL)	LC90 (mg/mL)
Isorhamnetin (mg/mL) (1)
0.3	100 a
0.15	100 a
0.07	100 a
Mixture isorhamnetin and luteolin (mg/mL) (1,2)
0.3	100 a
0.15	96.03 ± 1.36 b	0.10	0.13
0.07	4.18 ± 1.23 c	(0.09–0.10)	(0.13–0.14)
Luteolin (mg/mL) (2)
0.3	0 c
0.15	0 c
0.07	0 c
4′-O-methylcatechin (mg/mL) (3)
0.3	0 c
0.15	0 c
0.07	0 c
MeOH 2%	1.50 ± 0.6 c
Ivermectin (0.5 mg/mL)	100 a
Variation coefficient	2.92
R2	0.99

Note: Means into same column with different literals indicate significant differences p < 0.05; CI = Confidence Interval; SD = Standard deviation; MeOH = Methanol.