Show 5 newcastle disease control progresses vaccination how flow gives promise of real aid by W J new vaccine developed by tale a U n S department of agriculture give chicken immunity to newcastle fal ease for several months this is ig good news to the poultry industry vi wb Z had cause to fear this new kilia Poultry men in about 30 states have hart suffered from costly inroads bait by the disease the new vaccine Is not the last lag word specialists of the varion states and federal department ol of at ri culture are still at work to devee a tool fool proof vaccine the achica ment of the federal specialists specialist a 0 developing the vaccine that ML oly last even several months is a tf ly step forward newcastle disease is a virus walck attacks chickens of all ages frn fan baby chicks to laying hens it ate alp is known to attack pigeons duch turkeys geese and pheasants until the vaccine has been places on the market in an improved stall the prevention and spread of 0 tb ib disease must be controlled by tad sad tary procedures use of disinfectant disinfect anti proper feeding housing and management |