Table 1 - . Experimental design for the fecal egg count reduction test showing the H. contortus isolates used and anthelmintic treatments with ivermectin and oxfendazole.

Treatment groups for FECRT (n = 9 animals per group)
Animals infected with the IVM-ISE isolate	Animals infected with the OXF-ISE isolate
A1: OXF Treatment (5 mg/kg)	A3: OXF Treatment (5 mg/kg)
A2: IVM Treatment (200 µg/kg)	A4: IVM Treatment (200 µg/kg)