Risk factors for anthelmintic resistance development in cattle gastrointestinal nematodes in Argentina
Risk factors for anthelmintic resistance (AR) on bovine ranches were studied.Data were derived from a survey made to 50 ranch owners, who had conducted a faecal egg-count-reduction test.The questionnaire contained descriptors of bovine ranch management and nematode control.A case-control design study was undertaken and AR cases were veuve ambal ros