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. 2012 Nov;25(11):1568–1574. doi: 10.5713/ajas.2012.12379

Table 7.

Purine derivative (PD) excretions in urine and microbial protein synthesis in steers fed experimental diets

Item Treatments
SEM p value
Control T-1 T-2
Urinary PD (g/d)
 Total 30.37 34.47 33.25 1.95 0.7353
 Allantoin 17.37 19.57 19.02 1.09 0.7483
 Uric acid 13.00 14.91 14.23 1.10 0.8195
Microbial N (g/d) 131.26 153.09 146.57 10.59 0.7457