SILVERA & LENGUA (2015) tested the activity of Cry6 on gastrointestinal nematodes of sheep (Nematodirus spathiger), reporting control of 44.7% and 45.6% in eggs and larvae, respectively.
Actividad Letal in vitro del Extracto Proteico Total de Bacillus thuringiensis sobre Huevos y Larvas (L3) Infectivas de Nematodirus Spathiger. Revistas de Investigacion UNMSM, v.26, p.509518, 2015.
Among these, Ostertagia ostertagi showed higher (9%) prevalence followed by Haemonchus contotus (8.33%), Trichostrongylus colubriformis (3%), Nematodirus spathiger (5.83%) and Trichuris spp.
Haemonchus contortus showed higher EPG during August, Ostertagia during February and Trichstrongylus colubroformis during August, Nematodirus spathiger during March and Trichuris during September.
Among these, Ostertagia ostertagi was highly prevalent (9%) in cattle followed by Haemonchu scontortus (8.33%), Nematodirus spathiger (5.83%) Trichostrongylus colubriformis (3%),and Trichuris (1.83%).