Table 5 Health events and reproductive performance of cows fed diets differing in P content
From: Effect of dietary phosphorus content on milk production and phosphorus excretion in dairy cows
Item | Dietary treatments1 | 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 |