Show sodium fluoride best for destroying vermin sodium fluoride Is one of 0 the best substances to use tor for getting rid of chicken lice it can be purchased at almost any drug store it can be applied by the pinch method or by mixing with four our parts ot of talc or fine dust and using a dusting can or by making a dip the pinch method Is roost most commonly used in this method the lien hen Is held in such a way that tile the feathers loosen up and one pinch is applied to the head one on the neck two on the back one on the breast one below the vent one on the tall one on each thigh anil and one on the underside of each wing tills this application should be repeated to in about eight lays days so as to kill the lice that were in the egg form during the first application blue ointment Is usually mixed with equal portions of grease three pea sized portions are rubbed into the feathers one around the vent and the other two under each wing it head lice are present it ft Is usually better to apply some lard with 10 to 20 per cent kerosene thoroughly mixed with it ft or with 5 per cent of car carbolic bolle acid |