SAVE UP TO 20% ON YOUR 1977 aY PROGRAM • Controls Horn Flies, lice, and Lone Star Ticks on beef cattle • Helps control Face Flies on beef cattle •For direct application, use as a spray or in back or face rubbers •RAVAP®’gives you fast knockdown plus residual control of flies and maggots • Use on barn walls and ceilings, manure piles and other fly breeding-resting areas pennfle d feeds aster 2561 PENNFIELD MAKES IT EASY WITH A CUSTOM FLY CONTROL PROGRAM FOR YOUR OPERATION WITH SHELL LIVESTOCK & POULTRY INSECTICIDES. Fly control that works fast... and lasts RAVAP' INSECTICIDE EMULSIFIABLE ORDER NOW. . . SAVE UP TO 20% ON YOUR FLY CONTROL DURING OUR "SPRING EARLY-ORDER SPECIAL". PLACE YOUR ORDER BY MARCH 31, 1977 WITH DELAYED SHIPMENTS UNTIL APRIL OR MAY. 711 Rohrerstown Road York 854-7867 SHELL POULTRY SPRAY AND LARVICIDE Emulsifiable • Controls mites, lice and Fowl Ticks on birds • Provides effective control of fly maggots in chicken manure • Use as a residual spray on walls, and ceilings to kill adult flies • Quick kill combined with residual action INDIVIDUAL DAIRY, Red Lion 244-4511 For easy control of: • face flies • house flies • stable flies • horn flies • lice • chorioptic miti • ticks • works fast...then lasts • safe for lactating dairy cows • also effective on beef and hogt. /lilt