Table 1 Experimental structure: animals (number and types), treatments, and Periods
Period | Time | Animals | Number | Treatment |
|---|---|---|---|---|
1 | Aug. 04 - Aug. 05 | heifers | 74 | None |
| Â | Â | cows | 111 | Naf. DC |
2 | Sep. 05 - June 06 | heifers | 56 | None |
| Â | Â | cows | 92 | Naf. DC + CNH |
| Â | Â | control cows | 17 | Naf. DC |
3 | July 06 - April 07 | heifers | 48 | None |
| Â | Â | cows | 83 | Naf. DC |