2021-02-252021-02-251949-10-01https://dr.lib.iastate.edu/handle/20.500.12876/95806<p>We have a record supply of feed grains- both in total and per head of livestock. But total supply of by-product feeds during the coming year will fall a little short of last year's big output.</p>articleisulib-bepress-aws-west144820019295farmscience/vol4/iss4/9Agriculture