Show F fowl ow I 1 cholera Vac vaccine cille looms vaccine for owl fowl cholera should be available soon goof according to WIT win farnsworth Farnsw extension agent U B S department of agri culture scientists lime liae level devel aped several vaccines which loba good for or fighting tills this di 11 sense experiments ore are going for or word ward to determine tile the best method of 0 preparation and dosage to obtain tile the greatest amount and duration of lilt im ty for or vaccinated vaccina ted owl fowl me results should make it possible shortly to vaccinate poultry under field dillons on where natural outbreaks 0 it cholera are arc prevalent or are arc expected A single dose of 0 one experimental killed virus vaccine haj been found to give excel ecel lent immunity for 9 mo montan lillS in commercial operations ahli should rive give adequate protection tot for the laying year |