Show E Ext External t P Parasites r sites Not Hu Hurt by Cures ures In Ii 19 the tho quest for for simple nie means I s of repelling or destroying g external parasites parasites para pam sites of animals nI many laymen have come to put false falsa f faith in claims for Internal remedies So numerous numerous numero s and usually so worthless have haye the claims been bee wh when n subjected to o test that the tine bureau of or animal Industry United States Department of ot Agriculture ture has Issued n a statement entitled Inefficiency of Substances es Fed to to An to Repel or Destroy External Parasites About 2 25 years ago the bureau carried carried car car- ried ned out experiments In feeding sulphur sul suI to cattle cattie or giving g them water with sulphur or sulphur compound to ascertain whether such pro procedure had had any effect on external p parasites r No effect was ever er observed Similar tests were tried with sheep as far back as 1903 1003 to ascertain any effect on sheep scab The investigators f found und that Internal l remedies were use use- less At various times the bureau has hus received re re- re- re claims that certain drugs given gl Iven to animals Internally will protect prote t the animals from flies fifes The he bureau of ot entomology likewise has tested teste products products prod prod- nets recommended for chickens In their feed teed or drinking water to control control con con- troi lI lice C mites and other parasites The results of such tests have been uniformly negative In v vew ew of the tho many dips and other effective preparations that will external parasites when applied to anImals animals an an- hunts externally much cruelty may be avoided and best results obtained at least cost by using only tested and proved methods The g general rule is External remedies for e. e external parasites parasites para para- parasites sites most of ot which are uro worms In Inthe Inthe Inthe the use uso of ot chemicals and aid drugs It Is 18 best to obtain the tine services service of a trained veterinarian or other person hl having scientific knowledge e of at the products prOduct used |