2010-03-302010-03-301990https://hdl.handle.net/10365/8286The article reviews a study of calves treated with and those without 'deworming' medications in North Dakota. They wanted to determine if those treated would weigh more than those untreated. There were many confounding variables to effectively determine if across the board that deworming proved effective.North Dakota State UniversityCattle.Livestock productivity.Agricultural chemicals.Article