The CSTTD of P in low, medium, or high oil DDGS and peanut meal fed to growing pigs was reported for the first time.
DDGS has a greater CSTTD of P than corn and the other corn co-products.
Peanut meal has a less CSTTD of P than the other oilseed meals.
Microbial phytase can increase the CSTTD in all ingredients except DDGS and corn gluten feed.
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