Studies at the Iowa Experiment Station during 1927 and 1928 indicate very clearly that selection is effective in increasing resistance to this disease.
Proceedings of the Iowa Academy of Science
©1929 Iowa Academy of Science, Inc.
Lambert, W. V. and Knox, C. W.
"On the Inheritance of Resistance to Fowl Typhoid in Chickens,"
Proceedings of the Iowa Academy of Science, 36(1), 382-383.
Available at: https://scholarworks.uni.edu/pias/vol36/iss1/120