Table 1 Summary of different studies supplemented RPC and their effect on milk production, fat and protein % of dairy cows
References | Lactation stage pre-and postpartum days | RPC (g/day) supplement | Milk yield (kg/day) | Fat yield % | Protein yield % | |
|---|---|---|---|---|---|---|
Pre | Post | |||||
Veth et al. (2016) | – | 14 | 0 | 31.30 | 4.04 | 3.46 |
12.5 | 32.00 | 4.03 | 3.47 | |||
25 | 31.39 | 4.04 | 3.42 | |||
Sun et al. (2016) | 21 | 21 | 0 | – | 3.28 | 3.05 |
15 | – | 3.44 | 3.19 | |||
Leiva et al. (2015) | 21 | 45 | 0 | 30.6 | 3.29 | 3.17 |
50+ | 29.1 | 3.51 | 3.32 | |||
100++ | – | – | – | |||
Ardalan et al. (2011) | 28 | 70 | 0 | 31.70 | 3.30 | 3.13 |
60 | 34.60 | 3.35 | 3.11 | |||
Davidson et al. (2008) | 21 | 90 | 0 | 27.90 | 2.97 | 2.60 |
40 | 27.50 | 2.93 | 2.68 | |||
Piepenbrink and Overton (2003) | Â | Â | 0 | 40.00 | 4.02 | 2.97 |
21 | 63 | 45 | 43.30 | 4.21 | 3.02 | |
60 | 39.90 | 4.00 | 3.01 | |||
| Â | Â | 75 | 41.00 | 4.29 | 3.00 | |
Pinotti et al. (2003) | 14 | 30 | 0 | 28.50 | 3.24 | 3.11 |
20 | 31.40 | 3.36 | 3.05 | |||