Table 5.
Effect of vitamin E–selenium and antimicrobial therapy on early lactation and postpartum reproductive performances of dairy cows (Mean ± SEM).
| Parameters | Control group | Treated groups |
|---|---|---|
| Colostrums production (lit; first five milking) | 1.26 ± 0.54a | 2.27 ± 1.07 (41.5%)b |
| Milk production (lit; first 90 days of lactation) | 5.12 ± 1.31a | 8.02 ± 1.92 (39.2%)b |
| Incidence of intramammary infections (%) | 45.1a | 20.5b |
| Calving to conception interval (Days open) | 138a | 116b |
| Estrus detection rate (% cows showed estrus during study period; 120 days of calving) | 43.0a | 77.0 (44.1%)b |
| Conception rate (%) | 31.0a | 52.4 (40.8%)b |
| Services per conception | 1.22 ± 0.92a | 1.37 ± 1.06a |
Means with different letters (a & b) within a row differ significantly from each other (P < 0.001).