Table 5.
Health events and reproductive performance of cows fed diets differing in P content
| Item |
Dietary treatments
1
|
P | ||
|---|---|---|---|---|
| LP | MP | HP | ||
| Mastitis |
3 |
2 |
2 |
0.63 |
| Foot rot |
3 |
4 |
3 |
0.72 |
| Retained placenta |
4 |
3 |
3 |
0.57 |
| Displaced abomasum |
3 |
2 |
1 |
0.64 |
| Udder edema |
2 |
3 |
3 |
0.56 |
| Ketosis |
3 |
2 |
2 |
0.63 |
| Dystocia |
1 |
0 |
1 |
0.55 |
| Total health problems |
19 |
16 |
15 |
0.43 |
| Proportion of cows that conceived,% |
80.2 |
88.5 |
70.5 |
0.54 |
| Proportion of cows pregnant,% |
75.9 |
77.5 |
72.0 |
0.66 |
| Weight of calves, kg | 35.4 | 37.1 | 35.8 | 0.64 |
1LP = low P; MP = medium P; and HP = high P.