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. 2010 Dec 16;109(1):19–23. doi: 10.1007/s00436-010-2216-0

Table 3.

Worm counts and calculated efficacy (%)

Haemonchus contortus Trichostrongylus colubriformis
GMean AMean GMean AMean
Control (worm counts ± SEM) 2316 (−) 2349 (140) 3369 (−) 3401 (178)
MPL (efficacy) 99.98 99.8 99.9 99.8
ABA (efficacy) 15.3 15.0 90.8 89.6
DER + ABA (efficacy) 18.3 17.1 99.97 99.93

AMean arithmetic mean; GMean geometric mean; SEM standard error of the mean; MPL monepantel; ABA abamectin; DER derquantel