lersistant Pest a ce Fly Controls Sought control of the feed tothersoine and widespread Experiments show that ace Ay has been achieved— certain organic phosphorus n the laboratory—by adding insecticides pass, largely un i small amount of some in- digested, through cattle and ecticxdes to dairy cattle make their manure highly (niiiniuaiHniikimmiiiiiiiiiiiiiHHi I Need... S HAY-STRAW-EAR CORN | Buy Now and Save! [ More and more farmers are buying from' us for ■ better value and all around satisfaction. 2 Delivered any quantity S Phone Strasbourg OV 7-3211 ■ ESBENSHADE TURKEY FARM [ PARADISE, PA. £ ■ IIW S ■■■■■■■!■■■■ ■■■■■■■■■■■■ ■■■■■■■■■■■■ NEED POWER to PLOW You’ll plow without shifting or stalling with a cS S. V V S A A ■ V S > , "<. K ' v nm FARMALL offers you more than any tractor in its power size! SIGHT DOWN THE LINE, you get every fcatme you need for medium* to large farm operation with the 3-plow, 4-row lei mall 340 tractor. Besides the five features illustrated at right, there’s oolcl new styling, Independent Power Take-Off, power-adjusted rear wheels, 'l' forward speeds (with TA), full crop weaiance, double-disk brakes, new op- comfort and convenience, and a lull line of job-matched McCormick® «iuipment to fit your farm. INT(r national harvester ”, vK. \ S&k V A ?$ r vy ) _> JT *1 -■-i I< COPE & WEAVER CO. WILLOW STREET C. E. WILEY & SON QUARRYVILLE - WAKEFIELD McCOHMICK FARM EQUIP, STORE KAUFFMAN BROS. EPHRATA MOUNTVILLE toxic to face fly larvae. These larvae develop only in fresh manure. This research was conducted at USDA’s Agricultural Research Cen ter, Beltsville, Md, Similar studies there indicate this method also may aid in con trolling the housefly. Although no insecticides have been approved for this use (questions concerning residue in meat and milk are not completely answered), scientists consider the results timely and significant. The face fly has become a troublesome cattle pest in the U. S and is continuing to spread. Since being found in New York in 1953, the in sect has infected nearly all areas east of the Mississippi River and north of Tennes see and South Carolina. Dur ing 1960, face flies were found for the first time in lowa, Missouri, Connecticut, Maryland, Tennessee, and North Carolina. At Beltsville, entomoligists D W. Anthony and Otelia Bodenstein, and dairy -hus mandman N. W. Hooven, fed three insecticides— separate ly in a grain ration—to Hol stein heifers for 5 consecu tive days. Manure collected from the animals was then infested with newly hatched face fly larvae. Few larvae survived after cattle received daily dosages of insecticides. In the Beltsville experi- Choice of 2-Point of NEW 3-Point Foit- Hitch. NEW Tel A Depth Tor exact depth control of implements. NEW Traction Control odds traction-boosting weight, ends slip page. \ Hydra Touch provide* "live" hydraulic power for finger-tip implement control. Demonstration! Torque-Amplifier (TA) ■drive boosts pull power up to As°/o/ on the go. The Most Famous Name In Corn Pfister Associated Growers H. D. 3. LANCASTER Phone TW 8-7121 plow NONSTOP NEW 2,3,4 furrow McCORMICK Fast-Hitch plows for toughest soils Don’t Delay! See Us Today For A DAVID KURTZ MORGANTOWN C. B. HOOBER INTERCOURSE Lancaster Farming. Saturday, April IS. 1961—13 ments, partial control of the When these chemicals are housefly resulted when the found, it’s possible minute insecticides were used at low quantities may be mixed in dosage rates. At double these to salt licks . Thon the facQ rates, control - approached fly could be controlled most 100 percent. efficiently. But community Mmimum effective rates e fi' or t would be needed for werent determined for the ma ximum benefits, insecticides tested. It s be- lieved, however, that oven Insecticide might not be smaller amounts might effec- the only control. The face tively control the face fly. fly has existed many years Relatively few organic * n Europe without becoming phosphorus insecticides have a serious livestock post A bee'fa screened for this type possible explanation is that of control. More research is parasites and predators may needed to learn which chem- help control the fly icals are most effective, safe- There has been no evidence est to use, and least expen. of this pest attacking sheep, sive. goats, or swine at Beltsville. FACE FLIES, SHOWN attacking this dairy heifer, are a new pest in the livestock industry causing serious prob lems for dairy farmers and cattlemen in about 25 states. CJoseup shows a female face fly. The insect caused much discomfort to dairy cattle on pastures in Lancaster County last summer. Most spray programs were ineffective against the pest. THIS SPRING? NEW FARMALL 340 or 460 NEWEST, SMOOTHEST j. OMUt 4-PLOW /J a el W.^Sitvr.s G-Gylincfer" MR MAIL J. B. HOSTETTER & SONS MOUNT JOY J. PAUL NOLT GAP 4$ * INTERNATIONAL HARVESTER
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