| Show mgr Lice Inflict Heavy Damage on Cattle DDT Treatment Guts Cuts High Winter Losses Lice are injurious to all types 01 oj cattle Animals produce less meal mealand mealand and milk if it lice are unchecked Young animals and poorly poorly-nour fished old animals suffer suITer most from lice The winter whiter season is the time lice are bad on cattle The louse population tion Lion builds up then Dr Harold Gunderson extension entomologist at Iowa State college says one louse unchecked in fall means 1000 the following March For lice control on cattle DDT is being used successfully Early in fall before cold weather arrives itis it itis itis is mixed with water and sprayed on the animals After cold weather comes a DDT dust is recommended Farmers are being advised to use a adust adust adust dust containing 10 per cent DDT Some of at the powdered louse killers on the market contain less than 10 per cent DDT but have other effective ef insecticides combined with I the DDT The rotenone dusts recommended I for tor cattle grub control can be used for tor or lice control Usually they are diluted for lice to cover greater area and reduce the cost For instance in stance one pound of a cattle grub lust dust containing 1 Ph per cent rotenone rote rote- none Done can be mixed with two pounds of flour to make an effective louse tiller killer |
