Bergstrom, J.R.; Nelssen, J.L.; Houser, T.A.; Tokach, M.D.; Goodband, R.D.; DeRouchey, J.M.; Dritz, S.S.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010)
A total of 144 finishing pigs (initially 226 lb) were used to evaluate the effects of various
levels and sources of added dietary astaxanthin (AX: 0, 2.5, 5, 7.5, and 10 ppm), as
well as ractopamine HCl (Paylean), on ...