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Mean fecal pH (■) and starch (▲) concentration from 1 to 6 wk after starter was available for calves fed starter containing 5% straw differing in particle size either in the pellet (PS) or mixed with the pellet: short (SS), medium (MS), and long straw (LS). Linear effect of week, P < 0.01 for both variables. Color version available online.
