Crude Protein Requirements for Livestock
Crude Protein Requirements for Livestock
| Livestock Type |
Category |
Stage/Production |
Crude Protein Requirement (%) |
| Poultry |
Broilers |
Starter (0–3 weeks) |
22–24% |
| Grower (3–6 weeks) |
20–22% |
| Finisher (6–8 weeks) |
18–20% |
| Layers |
Starter (0–6 weeks) |
18–20% |
| Grower (6–18 weeks) |
15–16% |
| Laying hens (18+ weeks) |
16–18% |
| Swine |
Piglets |
Pre-starter (3–5 kg) |
24–26% |
| Starter (5–10 kg) |
20–22% |
| Grower Pigs |
10–50 kg |
18–20% |
| Finisher Pigs |
50–100 kg |
16–18% |
| Sows |
Gestating |
12–14% |
| Sows |
Lactating |
16–18% |
| Small Ruminants |
Lambs/Kids |
Starter (0–3 months) |
18–20% |
| Grower (3–6 months) |
16–18% |
| Adult Sheep/Goats |
Maintenance |
8–10% |
| Pregnant Ewes/Does |
Late Gestation |
10–12% |
| Lactating Ewes/Does |
Lactation |
12–14% |
| Large Ruminants |
Calves |
Pre-weaning (0–3 months) |
18–20% |
| Weaned Calves (3–6 months) |
16–18% |
| Growing Heifers/Steers |
Growth |
12–14% |
| Lactating Dairy Cows |
Lactation |
16–18% |
| Dry Cows |
Non-Lactating |
12–14% |
| Beef Cattle |
Finishing |
11–13% |
Important Reminders: The values provided are general recommendations only and results can vary depending on environments, breeds, raw materials quality and treatments.