Table 5.
TRTa | SEM | P-value | ||||
---|---|---|---|---|---|---|
Item | CON | 10-G | TRT | TIME | TRT × TIME | |
Salmonella prevalence, % positive | — | — | <0.01 | 0.36 | ||
Day 0 | 14.0 | 18.0 | — | 0.73 | ||
Day 52 | 96.0 | 100.0 | — | 0.73 | ||
Day 120 | 88.0 | 68.0 | — | 0.09 | ||
Day 192 | 78.0 | 82.0 | — | 0.73 | ||
Salmonella log, MPN/g | — | — | 0.28 | — | <0.01 | 0.49 |
Day 0 | 0.40 | 0.86 | 0.56 | 0.41 | — | — |
Day 52 | 4.22 | 4.84 | 0.56 | 0.28 | — | — |
Day 120 | 3.08 | 2.68 | 0.56 | 0.48 | — | — |
Day 192 | 3.23 | 2.99 | 0.56 | 0.66 | — | — |
a Treatments included no DFM contained in the diet (CON) and a diet containing L. acidophilus, E. faecium, P. pentosaceus, L. brevis, and L. plantarum fed at 2 g/heifer/d providing 1 × 109 CFU (10-G) (Life Products, Inc., Norfolk, NE).