2021-04-302021-04-301968-03-01https://dr.lib.iastate.edu/handle/20.500.12876/104858<p>Brief research reports this months cover Iowa State's "versatractor" which can be operated in either direction with a wide variety of equipment. In livestock, there's a look at the use of sonar for selecting swine breeding stock, the potentials in swine production, and the use of soybean oil in poultry feed. Other topics include a report on problems with wood in residential building, and the influence of storage conditions on poultry products.</p>articleisulib-bepress-aws-west292521861301farmscience/vol22/iss9/7Agriculture