Table 5 Composition of immunoglobulins (Ig) in milk
Species | Type of milk | Ig A | Ig G | Ig M |
|---|---|---|---|---|
| Â | Â | Â | g/L | Â |
Cow | Colostrum | 3.9 | 50.5 | 4.2 |
| Â | Mature milk | 0.20 | 0.80 | 0.05 |
Goat | Colostrum | 0.9–2.4 | 50–60 | 1.6–5.2 |
|  | Mature milk | 0.03–0.08 | 0.1–0.4 | 0.01–0.04 |
Sheep | Colostrum | 2.0 | 61 | 4.1 |
| Â | Mature milk | 0.06 | 0.3 | 0.03 |
Sow | Colostrum | 10–26 | 62–94 | 3–10 |
|  | Mature milk | 3.4–5.6 | 1.0–1.9 | 1.2–1.4 |
Human | Colostrum | 17.4 | 0.43 | 1.6 |
| Â | Mature milk | 1.0 | 0.04 | 0.1 |