Table 2.
Intake of dry matter, metabolizable energy and metabolizable protein, average daily gain, and feed conversion ratio of Dorper × thin-tailed Han crossbred ram lambs.
Items | Groups |
SEM | P-value | ||
---|---|---|---|---|---|
CAAS | NRC | AFRC | |||
DMI, kg/d | 1.20b | 1.29a | 1.23ab | 0.02 | 0.043 |
MEI, MJ/d | 11.8c | 12.3a | 12.1b | 0.06 | <0.001 |
MPI, g/d | 118a | 100c | 113b | 2.17 | <0.001 |
ADG, g/d | 224a | 173b | 197a | 5.52 | 0.002 |
Feed conversion ratio | 5.61c | 7.68a | 6.81b | 0.23 | <0.001 |
SEM = standard error of the mean; DMI = dry matter intake; MEI = metabolizable energy intake; MPI = metabolizable protein intake; ADG = average day gain.
a,b,c Mean values within a row with different superscripts differed (P < 0.05).