Protein Source Comparison
Comparaison
All Milk Protein Milk Replacer – 25/25/19 VS.
Wheat Protein Milk Replacer
Des détails
| 120 Test and 120 Control calves |
| 78 day trial |
| Weaned on day 49 |
| Weighed: Day 0 – Arrival Day 14 – Milk increase Day 49 – Weaned Day 78 – Departure |
Taux d’alimentation du lait de remplacement
| Week 1-2 | 520g / Day |
| Week 3 | 650g / Day |
| Week 4-5 | 900g / Day |
| Week 6-7 | 450g / Day |
Taux d’alimentation en grains
| Weeks 1-3 | Calf Starter (18% CP) |
| Week 4 | 50% Calf Starter + 50% Corn + Pellets |
| Weeks 5-11 | Corn + Concentrate blend including 2% chopped straw (18% CP) |
| Milk Protein 25/25/19 | Wheat Protein 25/21/19 | |
|---|---|---|
| Arrival weight | 104 LB | 104 LB |
| Departure weight | 261 LB | 247 LB |
| Average daily gain | 2.02 LB | 1.83 LB |
| Milk replacer consumption | 30.18 KG | 30.27 KG |
| Grain consumption | 258.4 KG | 251.7 KG |
Résultats
- 10% more weight gain
- 14lb gain advantage at 78 days
- 0.19lb/day increase in average daily gain at weaning
- Improved feed efficiency, requiring 12% less grain per lb of gain after weaning
Conclusion
When comparing the 25/25/19 All Milk Protein milk replacer to the 25/21/19 Wheat Protein milk replacer, the calves fed the milk protein formula gained more, and had greater feed efficiency than those fed the wheat protein formula.