Table 5 Dietary Nitrogen partitioning among the experimental buffaloes with altered feed and pre-partum dry period.
Item | Diets | DP Management | SEM | P Value | |||
|---|---|---|---|---|---|---|---|
CSM | SRU | Short DP | Long DP | Diet | DP | ||
Total N Intake (g/d) | 385.54 | 396.30 | 402.08 | 379.76 | 23.34 | 0.745 | 0.506 |
Degradable N Intake1 | 235 | 288.63 | 266.97 | 256.64 | 19.29 | 0.033 | 0.563 |
Faecal N (g/d) | 140.83 | 132.29 | 138.91 | 134.20 | 10.97 | 0.590 | 0.765 |
Urinary N (g/d)2 | 136.27 | 137.43 | 137.65 | 136.05 | 7.51 | 0.921 | 0.842 |
Manure N (g/d)3 | 277.10 | 269.72 | 276.56 | 270.25 | 14.79 | 0.714 | 0.754 |
Milk N (g/d)4 | 78.51 | 88.30 | 84.83 | 81.98 | 5.68 | 0.216 | 0.705 |
CEDN5 | 20.33 | 22.33 | 21.17 | 21.49 | 0.62 | 0.026 | 0.674 |
Total N Outgo (g/d) | 355.61 | 358.02 | 361.40 | 352.23 | 19.98 | 0.928 | 0.732 |
N balance (g/d) | 29.93 | 38.29 | 40.68 | 27.53 | 7.50 | 0.533 | 0.335 |
apDN6 | 244.71 | 264.02 | 263.17 | 245.56 | 17.13 | 0.432 | 0.472 |
apMN7 | 108.44 | 126.58 | 125.52 | 109.51 | 11.14 | 0.336 | 0.393 |
Serum Urea N (Before feeding) (mmol/L) | 5.98 | 6.01 | 6.05 | 5.94 | 0.19 | 0.940 | 0.715 |
Serum Urea N (3 hr post-feeding) (mmol/L) | 6.37 | 7.07 | 6.87 | 6.57 | 0.26 | 0.045 | 0.347 |
Milk Urea N (mmol/L) | 2.98 | 3.04 | 3.00 | 3.02 | 0.15 | 0.834 | 0.947 |
