From: Effect of dietary phosphorus content on milk production and phosphorus excretion in dairy cows
Items1 | Dietary treatments2 | SEM | P 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
LP | MP | HP | T | t | T*t | L | Q | ||
DMI, kg/d | 22.4 | 22.0 | 22.4 | 0.77 | 0.12 | 0.03 | 0.43 | 0.69 | 0.65 |
Milk yield, kg/d | 21.5 | 20.7 | 22.0 | 1.03 | 0.63 | 0.01 | 0.03 | 0.66 | 0.61 |
3.5% FCM, kg/d | 20.8 | 19.7 | 21.5 | 0.62 | 0.09 | 0.01 | 0.47 | 0.54 | 0.60 |
Milk protein,% | 3.33 | 3.30 | 3.28 | 0.05 | 0.77 | 0.01 | 0.02 | 0.79 | 0.68 |
Milk fat,% | 3.71 | 3.41 | 3.61 | 0.09 | 0.05 | 0.01 | 0.11 | 0.36 | 0.15 |
Milk lactose,% | 4.61 | 4.69 | 4.66 | 0.03 | 0.46 | 0.03 | 0.29 | 0.55 | 0.71 |
Milk SNF,% | 8.77 | 8.74 | 8.72 | 0.06 | 0.25 | 0.03 | 0.33 | 0.59 | 0.55 |
SCC, 103/mL | 302 | 350 | 231 | 44.9 | 0.05 | 0.58 | 0.29 | 0.35 | 0.03 |