Show No Internal Remedy for Poultry Pests Medicine Will Not Control External Parasites Prepared Dt bY the United State ea Department SIt Manufacturing and selling preparations preparations for tor lice mites ticks blue bloe bugs and other external parasites para parn- sites of at poultry by serving to the fowls In their f feed ed or drinking water Is a popular pastime ot of a number ot of concerns COn COn- cerns cems and one which the United States Department ot of Agriculture says should not be tolerated A number of at atthe the mixtures advertised for use In controlling controlling con con- trolling external pests by adminIsterIng adminIster adminIster- lag Ing lu In the feed have been tested by bythe bythe the insecticide and fungIcide board bourd ot of the department and ond aU all have bave been found to be Ineffective Among the products whIch were were offered as powders powders pow pow- ders to be mixed with the feed are several containing mixtures ot of sulphur sul- sul charcoal magnesium sulphate ferrous sulphate flux capsicum capsicum cum sodium carbonate lime salt and sand Some ot of the mixtures mixtures mix mix- tures were sulphur lime solutions to tobe tobe be be added to the drinkIng water some calcium sulphide tablets of at various percentages and having ha quantities ot of other chemicals as well AU All were tested and found to be ineffective for forthe the purpose advertised In view ot of these n tests the board has served notice on the manufacturers manufacturers manu manu- who may be selling or contemplate contemplate con con- template selling the mentioned above products to be used In thIs manner for controlling external pests of poultry that th they y are guilty ot of violating the provisions o of the Insecticide act of at 1910 and that the products are misbranded mis- mis branded The board Is of at the opinion that these tests are sufficient to strongly Indicate that such sucha 11 method Is ineffective e and further that It Is extremely doubtful it if any substance will be found whIch will be effective when used In the teed feed or drinking water Tests have not been made ot of all ot of the mixtures advertised against all of the pests named but taking Into consideration the tests which have been made and the anatomy and physiology ot of chickens It Is believed that It Is unlikely that any of the substances sub stances proposed or any combination of them when fed to thickens chickens win will control any of oC the external parasites Infesting them These preparations are sold for the most port part directly to consumers by parcel post Caveat let emptor the buyer beware be- be ware |