Table 5. Effect of the Saccharomyces cerevisiae supplementation on blood metabolites in dairy cows that were fed different TMRs during heat stress

Items TMR-1 TMR-2 SEM p-value
No SCCF No SCCF Treat TMR Treat × TMR
AST (GOT) (IU/L) 78.00 83.00 78.08 69.08 4.41 0.947 0.453 0.448
ALT (GPT) (IU/L) 22.44 22.11 24.58 23.33 0.89 0.700 0.366 0.804
Glucose (mg/dL) 48.28 45.33 48.08 49.00 1.25 0.583 0.505 0.458
Triglyceride (mg/dL) 8.56 7.17 7.25 7.92 0.26 0.177 0.600 0.056
Cholesterol (mg/dL) 203.11 194.83 205.33 189.92 5.82 0.351 0.912 0.769
NEFA (mg/dL) 78.89a 40.67ab 70.83a 23.17b 7.25 0.003 0.363 0.736
BUN (mg/dL) 16.89a 17.39a 13.86b 14.51b 0.41 0.451 < 0.001 0.924
Creatinine 1.16 1.21 1.08 1.18 0.02 0.070 0.168 0.574
Treat, supplementation or not with S. cerevisiae culture fluid (5 mL/head, 2×107 CFU/mL).
Denotes comparison made within rows (p < 0.05).
TMR, total mixed ration; SCCF, Saccharomyces cerevisiae culture fluid; AST, aminotransferase; ALT, alanine aminotransferase; GOT, glutamic oxaloacetic transaminase; GPT, glutamlc pyruvic transamlnase; NEFA, nonessential fatty acid; BUN, blood urea nitrogen.