Table 2.
The effects of high protein (CON) and low protein (LP) diets, on dry matter intake (DMI), average daily gain (ADG) and feed conversion ratio (FCR) by young Charolais beef bulls at Rovigo Province, Italy, during growing (P1) and finishing (P2) phases. Data are the means of 5 or 6 pens and 9 to 10 animals per pen.
| Items | CON | LP | P1 | P2 | CON | LP | SEM | p-Value | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P1 | P2 | P1 | P2 | Diet | Phase | Diet × Phase | ||||||
| DMI (kg/d) | 10.6 | 10.0 | 9.8 | 10.8 | 10.1 | 11.1 | 9.5 | 10.4 | 0.55 | 0.036 | <0.05 | 0.816 |
| ADG (kg/d) | 1.47 | 1.36 | 1.53 | 1.30 | 1.59 | 1.36 | 1.48 | 1.24 | 0.08 | 0.016 | <0.001 | 0.773 |
| FCR | 7.29 | 7.50 | 6.42 | 8.37 | 6.38 | 8.19 | 6.46 | 8.54 | 0.64 | 0.523 | <0.001 | 0.680 |