SOMERVILLE, ¥. J. — Teobac co heiress Doris Duke promised her farm nreighbors today that if they will let her raise pigs she'll keep them sweet smelling with all the gadgets money can bur. The millionaires fermeretta asked Hillsborough township to change its sanitary code as she can build a 599.000 piggery into Duke farm, her sprawling, 2,008- acre estate which already boasts a model dairy and an orchid greenhouse. The township com mittee promised to consider the ynes next week. Teetis said her 23.000 pigs would wallow in luxury but not in filth. In fact, their feet will never touch the earth, becomes, their pens wil be constructed completely of comer rdanes terial as atomizers will pray with perfumed de-odorizing _liq quid which will keep them “clean, cool and flyless.”” She called in Professor Charles Reed of Rutgers University, an expert on agricultural engineer ing, to plan the installation of the latest devices for sanitary pig-breeding. Reed said the pig gery would be flushed daily with 7,909 galkma of water, at anoerle pressure of seventy- five pounds in the square inch. Waste will be disposed of under ground by four distinct Mitering processes According to Reed's pises, a ventilating system will be sit in the pens at the rate of, 3.9 cubic feet a minute. Gus ported trucks, 90 that residents long the roads leading to Duke farms will not be offended, :