Ebrahimnezhad Y, Pourreza J. Effects of Ionophorous Anticoccidial Drugs, Salinomycin and Lasalocid, on the Performance of Broiler Chicks and the Relationship of These Drugs to Supplementary Methionine. Int. J. Poult. Sci. 2005;4(11):911–916. doi:10.3923/ijps.2005.911.916