maintenance of mature cows/buffaloes
| BW(kg) | Dry
  feed(kg) | DCP(g) | ME (Mcal) | TDN(kg) | Ca(g) | P(g) | Carotene
  (mg) | Vit-A
  (1000 IU) | 
| 200 | 3.5 | 150 | 6.0 | 1.7 | 8 | 7 | 21 | 9 | 
| 250 | 4 | 170 | 7.2 | 2.0 | 10 | 9 | 26 | 11 | 
| 300 | 4.5 | 200 | 8.4 | 2.4 | 12 | 10 | 32 | 13 | 
| 350 | 5 | 230 | 9.4 | 2.7 | 14 | 11 | 37 | 15 | 
| 400 | 5.5 | 250 | 10.8 | 3.0 | 17 | 13 | 42 | 17 | 
| 450 | 6 | 280 | 12.4 | 3.4 | 18 | 14 | 48 | 19 | 
| 500 | 6.5 | 300 | 13.2 | 3.7 | 20 | 15 |