Table 4 Feed intake and growth performance of camels and cow calves fed 100% and 50% roughage rations (means ± sd)
From: Response of camels and cow calves to 100% and 50% roughage rations fed consequently
Item | 100% Roughage ration | 50% Roughage ration | ||||
|---|---|---|---|---|---|---|
Camels | Calves | Sign. | Camels | Calves | Sign. | |
Initial weight, kg | 284.0 ± 22.40 | 274.5 ± 24.85 | NS | 278.7 ± 15.56 | 265.5 ± 13.67 | NS |
Final weight, kg | 278.7 ± 15.56 | 265.5 ± 13.67 | NS | 331.5 ± 30.25 | 319.7 ± 19.82 | NS |
Average weight, kg | 281.4 ± 16.1 | 270.0 ± 16.5 | NS | 305.1 ± 17.4 | 292.6 ± 14.5 | NS |
Body weight change, g/d | − 94.6 ± 60.1 | − 160.7 ± 94.3 | 0.05 | 942.8 ± 27.10 | 967.9 ± 12.00 | NS |
Average actual daily feed intake | ||||||
DM, kg/h/day | 5.84 ± 0.08 | 6.22 ± 0.26 | NS | 7.23 ± 0.09 | 7.54 ± 0.04 | NS |
TDN, kg/h/day | 3.24 ± 0.08 | 3.40 ± 0.09 | NS | 4.76 ± 0.14 | 5.07 ± 0.05 | 0.05 |
ME, Mcal/h/day | 11.53 ± 0.16 | 12.11 ± 0.16 | NS | 16.63 ± 0.19 | 18.05 ± 0.11 | 0.05 |
DCP, g/h/day | 169 ± 7.46 | 161 ± 2.10 | 0.05 | 471 ± 5.68 | 531 ± 2.85 | 0.05 |
DM intake of body wt% | 2.08 ± 0.12 | 2.30 ± 0.17 | 0.05 | 2.37 ± 0.16 | 2.58 ± 0.10 | NS |
Roughage % of actual DM intake | 100 | 100 | – | 50.5 ± 0.58 | 52.7 ± 0.50 | NS |
ME Mcal/kg ration | 1.974 ± 0.00 | 1.949 ± 0.00 | NS | 2.300 ± 0.00 | 2.394 ± 0.00 | NS |
Average actual feed intake | ||||||
DM, g/kg0.75 | 85 ± 4.04 | 93.4 ± 5.38 | 0.05 | 99.04 ± 5.16 | 106.6 ± 4.28 | 0.05 |
TDN, g/kg0.75 | 47.15 ± 2.28 | 51.22 ± 4.13 | 0.05 | 65.20 ± 3.26 | 71.66 ± 2.81 | 0.05 |
ME Kcal/kg0.75 | 167.8.0 ± 8.22 | 181.8 ± 10.47 | 0.05 | 227.8 ± 11.60 | 255.1 ± 9.81 | 0.05 |
DCP, g/kg0.75 | 2.46 ± 0.12 | 2.41 ± 0.14 | NS | 6.45 ± 0.34 | 7.51 ± 0.30 | 0.05 |
Feed conversion efficiency | ||||||
TDN, kg/kg gain | – | – | – | 5.05 ± 1.34 | 5.19 ± 0.62 | NS |
ME, Mcal/kg gain | – | – | – | 17.64 ± 4.68 | 18.65 ± 2.19 | NS |
DCP, g/kg gain | – | – | – | 499.6 ± 74.75 | 548.6 ± 65.75 | NS |